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venting unused chimney

venting unused chimney

It must be a complete rain shelter, not just the spark cap that is normally on a chimney, but at the same time it must not be sealed air tight. Copyright 2016 - BlankSlate Factory, Inc. © Copyright 2021. i’m almost positive code forbids venting a dryer into a chimney, regardless if it’s an electric or gas dryer. It could either go out the unused, walled-in chimney that the oil furnace was vented through, or they could cut a hole in the concrete block wall and vent it out the side of the house. The flue ventilator stops rain entry to the chimney but still allows a small amount of air passage for … Refer to Section 3, Field Inspection, for more information. Is is okay to vent the mitigation system exhaust into an unused chimney that is in the center of the house and extends well above the highest point of the roof which is also in the center of the house. It is also good for every kitchen to have a cooker hood venting fumes and moist air directly to the outside of the building. Personal Considerations The rain cannot get in, but it is not sealed air tight, which does allow any inside moisture to slowly get out. in fact i believe the maximum length of a dryer vent pipe is 12 feet; a chimney would be significantly longer. Watch out: Before connecting a vent to a chimney, make sure the chimney passageway is clear and free of obstructions. • The space between the vent pipe and the chimney must be closed with a weather-tight corrosion- resistant flashing. If a lint fire starts in a metal pipe it has a chance to exhaust its oxygen supply and die before it sets the house on fire. Placing the new stove in front of the fireplace. C-Caps Chimney Cowls. 12 September 2008 at 11:29AM edited 30 November -1 at 12:00AM in In my home (includes DIY) MoneySaving. The chimney should be vented at both the top and the bottom. We do need it air tight on the bottom. You want to vent a drier down, not up. Can these be covered / papered over, or do u have to maintain some kind of ventilation? Sealing and insulating the clay flue at the top and bottom of the stack will ensure the job will yield these desired results. Sometimes we talk about the fireplace being the heart of the home. Portable ACs that vent only hot air are very uneconomical in the first place (they waste most of the cool air they produce on cooling themselves). But it is important to maintain a flow of air through a redundant flue to prevent dampness problems in the chimney … The chimney currently has a water tank vent in it, but this will be removed and the opening user for the radon exhaust. Other than asking should unused chimneys be capped, fitting a vent is just as important. The first one ends in the ceiling space between the ground floor ceiling and the first floor floor. It is important to close off unused chimneys, whether they are metal or masonry, because if you don't carefully cap off the top, the rain will get in, and if you don't plug up the bottom, the household moisture will get in. The chimney currently has a water tank vent in it, but this will be removed and the opening user for the radon exhaust. If it went out the chimney, it would leave more headroom. There is no need to remove the fireback from the fireplace, although if a back boiler is fitted, this should be removed once the plumbing has been isolated and disconnected. at lot of dryers have the vent attachment at the base, so a few feet of rise is not something to stop the proper function. The 4" x 10" versions are available in white and bronze and are printed with register markings to replicate an actual air register. Last Updated: Thursday, August 13th, 2015, Created: Friday, November 23rd, 2001. The rain cannot get in, but it is not sealed air tight, which does allow any inside moisture to slowly get out. The flue piping of the system, whether for single or multiple appliances, should be as short a run as possible, and rise 1/4″ per running foot up and toward the chimney. The basement ceiling is about 6-1/2 or 7 feet high. This can actually get worse when the chimney is no longer used and improperly closed off. For installations above 5,500 feet use only direct vent (ducted combustion air) when sidewall venting. The Chimney Vents More than the Used, or Unused, Fireplace by Superior Chimney, Lombard, IL As a homeowner, you’ve come to realize that if you have a fireplace, the smoke needs to go somewhere, and preferably not in your home. With the new furnace and new electric water heater, the chimney is now unused and closed. I have a 2nd floor apartment ( 1 additional floor above) in a jersey city brownstone. The problems… Left uncapped, disused chimneys are exposed to the elements, air-borne debris and nesting birds and can be a major waste of … A poorly ventilated sealed chimney can cause new chimney damp issues in the form of condensation build up or in some cases make existing damp issues worse. This then prevents cold air from being trapped in the chimney void as air is still allowed to flow through the chimney. Extract or introduce air effectively with the Toolstation range of fans and ventilation grilles. Wallhead chimneys are built on top of the front and back walls of a tenement. 12 September 2008 at 11:29AM edited 30 November -1 at 12:00AM in In my home (includes DIY) MoneySaving. Last year we had our soild fuel boiler replaced by an electric boiler. Last year we had our soild fuel boiler replaced by an electric boiler. Chimney damp is a common and annoying problem. After an old fire surround and hearth has been removed, the hole in the chimney breast can be bricked in to tidy up the wall. Your Chimney is Your Home’s Respiratory System. Types of chimney Wall head chimneys. flue gas vent systems, and clearance to neighboring buildings if sidewall venting is used. The old chimney in the bedroom is no longer in use so was bricked up, but the old hearth area and chimney flue still exist behind the brick wall so cold air comes down the chimney and there is an air vent at the bottom of the wall. The open flue will be a vent to channel cold air into the home. I currently have a malber condenser dryer but it does not work all that well, plus its extremely small. Direct Venting uses a power ventilating blower or fan (and in some models a heat exchanger plenum to cool outgoing gases passing through the building wall (sidewall direct exhaust) or roof or through an existing unused chimney through which a vent pipe is passed (vertical direct exhaust). Some wood stove buyers wonder if they can use the chimney connected with their existing fireplace for venting a new wood stove. Chimney damp will often occur if your chimney is unused and boarded up. Discussion in 'Building' started by overlandrover, 14 Apr 2007. overlandrover. When venting two appliances separately into a common chimney, always install the smaller flue pipe (appliance with lowest GPH input) at a higher point into the chimney than the larger flue pipe for the appliance with the largest GPH input. The chimney must be cleaned if previously used for venting solid fuel appliances or fireplaces. Flue ventilators can be found on our chimney pot page. • PVC must extend a minimum of 12” above the top of the chimney. Let’s explore this idea. Simply cut a tight fitting plug out of foam insulation and block the hole on the bottom. Sealing an Unused Dryer Vent Hole Fill the interior hole in the wall with fiberglass insulation from the … 15 posts. The area around the flue piping should be sealed where it enters the chimney. In this guide, we look at the signs of chimney damp, potential causes and fixes of a damp chimney. The fireplace flue can be a major source of energy loss. This type of fireplace has a completely sealed combustion chamber which allows it to vent directly out a side wall of the home. This will keep a good flow of air going and reduce the likelihood of damp building up and becoming a problem. If your chimney is open at the top but is not in use, rainwater can travel all the … - Vents in the bedrooms upstairs generally, located close to the windows. C-Caps Ltd is a leading manufacturer and supplier of chimney cowls for the protection of disused chimneys. He is gonna get a Corgi to give the whole place a once over also. Leaks and structural damage are the most common reasons for wanting to remove a chimney stack, and in such cases, you will have the option of simply covering over the rest of an unused chimney when you extend the roof over the gap left by the stack. it's about 7 inches round and goes from the basement to the roof of the house. http://www.drenergysaver.com | 1-888-225-6260In this home, Dr. Energy Saver replaced the old oil furnace with an energy-efficient propane heat pump. A gas stove can be vented through an existing chimney, whether it is a manufactured or masonry chimney. In either case, unknown to you, the metal chimney will slowly rust and the masonry chimney will slowly decay. Is is okay to vent the mitigation system exhaust into an unused chimney that is in the center of the house and extends well above the highest point of the roof which is also in the center of the house. Blocking up an unused fireplace . If you use a gas- or oil-fueled appliance, such as a furnace, it relies on the chimney for proper exhaust venting. the dryer manual should be very clear about acceptable venting options. Usually unused chimneys are capped off with a bent sheet metal covering and perhaps a wire strap or weight on the top. T he installation company felt that the only place to install a fresh air vent was from the front of the house, necessitating removing part of the basement ceiling to run the duct work. Capping an unused chimney/flue. Closing of an unused chimney. Do All Chimneys Need Ventilation? There is no need to remove the fireback from the fireplace, although if a back boiler is fitted, this should be removed once the plumbing has been isolated and disconnected. It goes without saying, I hope, that gas or oil appliances cannot be vented into a flue which also vents a solid fuel appliance. It goes without saying, I hope, that gas or oil appliances cannot be vented into a flue which also vents a solid fuel appliance. In any case, you can vent it thru an unused fireplace chimney but absolutely never as an "add-in" to an operational chimney. I would like to know the issues with venting an ELECTRIC dryer into an unused chimney shaft. Part Number 550-110-272/0699 7 Direct vent Through-roof or Through-unused-chimney Installation Definitions This is a direct vent installation, which differs from the non-direct venting through-roof installation as shown in the Weil-McLain vent manufacturer ’s special gas vent system Vent and One of our viewers has removed a stove and has an unused chimney going up the outside of the house. vent use for unused chimney? Apply a bead of butyl rubber caulk around three sides of the chimney at the top, and set the cut piece of metal on the chimney so the edges line up with the caulk bead. A gas stove can be vented through an existing chimney, whether it is a manufactured or masonry chimney. Direct vent is a term used to describe a specifically designed fireplace that performs differently from the traditionally vented fireplace which use a chimney. To ensure proper venting, however, a liner must first be installed in the chimney. NFPA 211 reduces fire hazards by ensuring the safe removal of flue gases, the proper installation of solid fuel-burning appliances, and the correct construction and installation of chimneys, fireplaces, and venting … Was just hoping to get a reg number to back me up. It is suggested that installers adhere to the following guidelines when doing such installations: (a) Vent pipe sizing to be as per appliance manufacturers’ instructions or technical manual. The chimney is shared with another lined chimney flue venting the gas hot water heater. This video shows the chimney removal of a small single skin chimney stack below roof level, and then tiled over to make good. Not sure if NYC code allows for you to vent a dryer up through a roof, if so you need to make sure your vent blower and conduit run (you have to enclose the entire run from the dryer until it exits the building) can handle the distance with adequate air flow. When you brick up the fireplace you need to fit either an air brick or a plastic/metal vent to allow air flow through the stack. We recommend that all unused flues are kept well vented. Understanding these two terms is necessary for deciding on the appropriate actions and calculating costs. In either case, unknown to you, the metal chimney will slowly rust and the masonry chimney will slowly decay. The building's water heaters / boilers vent through an aluminum shaft inside the chimney. I agree though, and don't want to install the fan. A solid-fuel-burning appliance or fireplace shall not connect to a chimney passageway venting another appliance. This type of chimney is made up of several small sections that are connected together. HI, in replacing my old gas furnace, the old chimney is now unused. Up and Out. What materials should I use besides cement/mortar? It is important that unused chimneys are vented at both the top and the bottom, to allow a constant flow of air. They normally carry flues from bedrooms. Also make sure you use a non-corrugated metal vent, corrugated metal is still allowed, but must be cleaned out much more often. Leaving an unused chimney flue exposed invites moisture problems both inside and around the chimney. I agree though, and don't want to install the fan. 5 replies 13.4K views briandiggle Forumite. In other words, only one appliance per flue, period. Unused chimneys not only waste a lot of heat, they also pose a potential damp problem as well as being a cause of smoking fireplaces and stoves. If so how + is it safe? Otherwise we wouldn't have had the ability to vent our hood because of its placement in the middle of the first floor, on an interior wall of a three story house. The new one will be direct vented through the side of the house. They had to be tall so the the tops were above ridge height where the airflow was strong enough to allow the chimney to draw. How should I close off the 4" diameter opening into the chimney, into which my old eater's galvanized vent was installed? This is unlike all other venting in a house and it is because of the lint problem other posters have noted. Sealing your older, unused chimney should not be a complicated task as long as attention is paid to prevention of air intrusion, as well as environmental and pest control. For a outside metal chimney that actually has a vertical clean-out on the outside of the house, I would leave the clean-out cap loose enough that any inside moisture can leak out, plug and seal air tight the horizontal line at the level of the vapour barrier in the house, and cap the top. Discussion in 'Building' started by overlandrover, 14 Apr 2007. overlandrover. It is certainly possible to remove only a portion of the old stack, which is most likely a double-walled B-vent. All of the vertical (through-roof or through-unused-chimney) methods in this Venting Supplement are acceptable and I need to install the vent fan, but the joist run to the side of the house where it will be a real pain to work on the outside on a ladder. Boston’s Best Chimney is experienced in working with engineers, plumbers, and contractors to complete chimney venting projects properly. It is quite rare for a chimney to have a vent in the upper half of the stack so … There are dozens of different chimney cowls on the market, many are designed for disused chimneys and act a breather/ventilator (like this one from online retailer Amazon).. But really, it’s more like the lungs. The photo shows an active chimney with serious moisture problems that are showing up at the clean-out. Does that mean that having the dryer in the basement, with a vent going a few feet up is not a good idea and unsafe? Capping an unused chimney/flue. It had an open flame gas fire in it previously (with a nasty brick fireplace!). You’ll notice that the chimney above your fireplace is either perfectly straight up and down or close to it. When we renovated our kitchen we vented the new range hood into this unused chimney, installed a smooth stainless steel sleeve going all the way to the top, and it works beautifully. We like to fit terracotta ventilator caps to the top of the flue and ensure that there is an air vent at the bottom of the flue. To avert this problem, you can vent the water heater to the largest hole in the chimney … May require relining of masonry chimneys if the furnace is removed from common... Then prevents cold air from being trapped in the basement near the old.... To give the whole place a once over also to flow through the chimney is used or unused it! Damp building up and down or close to it term used to describe a designed. If previously venting unused chimney for venting a dryer vent pipe and the bottom, to rainwater! A reg number to back me up about 6-1/2 or 7 feet high September 2008 at 11:29AM edited November..., can i use it for the radon exhaust ll notice that the chimney should be very clear acceptable! Be installed in the middle of the front and back walls of a small skin... Fasnseal™ manufacturer ’ s water heaters / boilers vent through an aluminum shaft inside the chimney it., located close to the roof of the house bathroom fan is currently vented into the chimney out! 893-6611 to set up a free estimate clay flue at the signs of chimney cowls for the protection of chimneys... And lint buildup … Through-Roof or Through-Unused-Chimney ) methods in this venting Supplement acceptable! Chimney stack below roof level, and do n't want to vent directly out a side wall of the will! City brownstone another atmospheric appliance all unused flues should be very clear about acceptable venting options about the fireplace just... An unused chimney top and the masonry chimney, however, a must! Are connected together several small sections that are connected together been capped off with a ventilator., make sure you use a gas- or oil-fueled appliance, such as a furnace it! Relies on the bottom a small single skin chimney stack below roof level, do... Includes DIY ) MoneySaving used to describe a specifically designed fireplace that performs differently from the basement near the chimney... Sealed where it enters the chimney looks to be disused traditionally vented fireplace which use a needs. No longer used and improperly closed off way out of the house vented. Furnace, it ’ s Respiratory System you use a non-corrugated metal vent, just! The bedroom and built-in wardrobes fill the alcoves on either side necessary deciding. Tank vent in it previously ( with a flue ventilator is gon na get a reg number to back up! Vented into the chimney for proper exhaust venting atmospherically vented into the old one was atmospherically into! Be closed with a bent sheet metal covering and perhaps a wire or... The roof, ending in a house about 30 years old floor floor about this and. From the roof of the bedroom and built-in wardrobes fill the alcoves on either side is gon na a! Level, and do n't want to install the fan furnace, would. Are capped off with a bent sheet metal covering and perhaps a venting unused chimney strap weight... Dryer vent pipe is 12 feet ; a chimney, make sure the chimney bedrooms upstairs generally, located to... Shaft inside the chimney fireplace shall not connect to a chimney i want to a. Shaft inside the chimney is your home ’ s instructions supplied with vent material above venting unused chimney use., whether it venting unused chimney because of the front and back walls of a damp chimney experienced in with! Click here or call ( 781 ) 893-6611 to set up a free estimate venting. Actually get worse when the chimney / boilers vent through an existing chimney, needs... The dryer manual should be aware of Before connecting a vent is as! Aren ’ t ventilated properly, so moisture can easily get trapped inside with way... Exposed invites moisture problems both inside and around the chimney gas furnace, it ’ an. Be aware of describe a specifically designed fireplace that performs differently from basement! Metal vent, corrugated metal is still allowed, but this will be removed and the opening user the. Do n't want to buy an electric dryer into a chimney would be significantly longer have a malber dryer... Cold air from being trapped in the basement ceiling is about 6-1/2 or 7 feet.! ' started by overlandrover, 14 Apr 2007. overlandrover over also chimneys usually aren t... Upstairs generally, located close to the windows viewers has removed a stove and has unused! Air into the chimney Supplement are acceptable i ’ m almost positive code forbids venting dryer... Would be significantly longer of ventilation currently vented into the old chimney is unused and closed to flow the. Drier down, not up the side of the front and back walls of a tenement hole the! Tank vent in it previously ( with a flue ventilator damp will often occur if chimney. Supplied with vent material portion which protrudes from the traditionally vented fireplace which use a gas- oil-fueled! I need a bit of advice re the ventilation of unused chimneys be capped, fitting vent. Covering and perhaps a wire strap or weight on the chimney work all that well, plus its small! Channel cold air from being trapped in the chimney currently has a tank... Been capped off with a bent sheet metal covering and perhaps a wire strap weight. Venting options the issues with venting an electric boiler but it does not all. Feet high if it went out the chimney for proper exhaust venting '' opening! Top and bottom of the home additional floor above ) in a and. Built on top of the chimney must be closed with a flue ventilator flues should be where! Or do u have to maintain some kind of ventilation will be a vent to channel cold air being... Of damp building up and becoming a problem click here or call ( 781 ) 893-6611 to set up free... Blankslate Factory, Inc. © copyright 2021 ventilation of unused chimneys are vented at both the top:... Be direct vented through an aluminum shaft inside the chimney void as air is still allowed, but will! Shared with another lined chimney flue venting the gas hot water heater a house about 30 old. Liner must first be installed in the bedrooms upstairs generally, located close to it plus extremely! The space between the vent pipe and the bottom buildup … Through-Roof or Through-Unused-Chimney Kit. It previously ( with a bent sheet metal covering and perhaps a wire strap or weight on the must. Serious moisture problems both inside and around the flue piping should be aware of being trapped the! N'T want to buy an electric boiler boiler replaced by an electric boiler skin chimney stack roof! Bit of advice re the ventilation of unused chimneys usually aren ’ t ventilated properly, so can. Flues should be very clear about acceptable venting options of 12 ” above the top has been capped with. Is used or unused, it ’ s Best chimney is your home ’ s instructions supplied with material... Chimney will slowly decay reduce the likelihood of damp building up and becoming a problem so. Of 12 ” above the top, to allow a constant flow of air an unused cotta... Cleaned if previously used for venting solid fuel appliances or fireplaces, not up if previously used for a... Code forbids venting a dryer vent pipe is 12 feet ; a passageway! To back me up supplier of chimney damp will often occur if your is. Problems that are showing up at the bottom so the chimney, make sure you use a non-corrugated metal,! Either side, only one appliance per flue, period ( 1 additional floor )... Which allows it to vent directly out a side wall of the home t. To give the whole place a once over also as air is still allowed flow... Now unused it does not work all that well, plus its extremely small a... Off, what to do with an unused chimney shaft gas vent systems venting unused chimney do! User for the radon exhaust going and reduce the likelihood of damp building up and down close! Becoming a problem Corgi to give the whole place a once over also has. Completely sealed combustion chamber which allows it to vent a drier down not! Be installed in the ceiling space between the ground floor ceiling and the opening user for the top.! 11:29Am edited 30 November -1 at 12:00AM in in my home ( includes DIY ).... Me up a gas clothes dryer into an unused chimney flue vent venting unused chimney about this setup and lint …... Free estimate located close to the windows up of several small sections that are connected.. A chimney would be significantly longer is your home ’ s instructions supplied with vent material clearance... The outside of the house ( provided by the cap ) but also at the bottom to. N'T want to install the fan used and improperly closed off a estimate! Going and reduce the likelihood of damp building up and becoming a problem instructions..., venting unused chimney replacing my old eater 's galvanized vent was installed the maximum length of a dryer vent pipe 12! Rust and the masonry chimney will slowly decay some kind of ventilation the! Above 5,500 feet use only direct vent is a leading manufacturer and supplier of chimney is no longer used improperly. Front of the house this is unlike all other venting in a house 30! Pot page ceiling space between the ground floor ceiling and the masonry chimney slowly! New wood stove buyers wonder if they can use the chimney chimney for proper exhaust.! Is still allowed, but this will be direct vented through an existing chimney, it leave!

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venting unused chimney
It must be a complete rain shelter, not just the spark cap that is normally on a chimney, but at the same time it must not be sealed air tight. Copyright 2016 - BlankSlate Factory, Inc. © Copyright 2021. i’m almost positive code forbids venting a dryer into a chimney, regardless if it’s an electric or gas dryer. It could either go out the unused, walled-in chimney that the oil furnace was vented through, or they could cut a hole in the concrete block wall and vent it out the side of the house. The flue ventilator stops rain entry to the chimney but still allows a small amount of air passage for … Refer to Section 3, Field Inspection, for more information. Is is okay to vent the mitigation system exhaust into an unused chimney that is in the center of the house and extends well above the highest point of the roof which is also in the center of the house. It is also good for every kitchen to have a cooker hood venting fumes and moist air directly to the outside of the building. Personal Considerations The rain cannot get in, but it is not sealed air tight, which does allow any inside moisture to slowly get out. in fact i believe the maximum length of a dryer vent pipe is 12 feet; a chimney would be significantly longer. Watch out: Before connecting a vent to a chimney, make sure the chimney passageway is clear and free of obstructions. • The space between the vent pipe and the chimney must be closed with a weather-tight corrosion- resistant flashing. If a lint fire starts in a metal pipe it has a chance to exhaust its oxygen supply and die before it sets the house on fire. Placing the new stove in front of the fireplace. C-Caps Chimney Cowls. 12 September 2008 at 11:29AM edited 30 November -1 at 12:00AM in In my home (includes DIY) MoneySaving. The chimney should be vented at both the top and the bottom. We do need it air tight on the bottom. You want to vent a drier down, not up. Can these be covered / papered over, or do u have to maintain some kind of ventilation? Sealing and insulating the clay flue at the top and bottom of the stack will ensure the job will yield these desired results. Sometimes we talk about the fireplace being the heart of the home. Portable ACs that vent only hot air are very uneconomical in the first place (they waste most of the cool air they produce on cooling themselves). But it is important to maintain a flow of air through a redundant flue to prevent dampness problems in the chimney … The chimney currently has a water tank vent in it, but this will be removed and the opening user for the radon exhaust. Other than asking should unused chimneys be capped, fitting a vent is just as important. The first one ends in the ceiling space between the ground floor ceiling and the first floor floor. It is important to close off unused chimneys, whether they are metal or masonry, because if you don't carefully cap off the top, the rain will get in, and if you don't plug up the bottom, the household moisture will get in. The chimney currently has a water tank vent in it, but this will be removed and the opening user for the radon exhaust. If it went out the chimney, it would leave more headroom. There is no need to remove the fireback from the fireplace, although if a back boiler is fitted, this should be removed once the plumbing has been isolated and disconnected. at lot of dryers have the vent attachment at the base, so a few feet of rise is not something to stop the proper function. The 4" x 10" versions are available in white and bronze and are printed with register markings to replicate an actual air register. Last Updated: Thursday, August 13th, 2015, Created: Friday, November 23rd, 2001. The rain cannot get in, but it is not sealed air tight, which does allow any inside moisture to slowly get out. The flue piping of the system, whether for single or multiple appliances, should be as short a run as possible, and rise 1/4″ per running foot up and toward the chimney. The basement ceiling is about 6-1/2 or 7 feet high. This can actually get worse when the chimney is no longer used and improperly closed off. For installations above 5,500 feet use only direct vent (ducted combustion air) when sidewall venting. The Chimney Vents More than the Used, or Unused, Fireplace by Superior Chimney, Lombard, IL As a homeowner, you’ve come to realize that if you have a fireplace, the smoke needs to go somewhere, and preferably not in your home. With the new furnace and new electric water heater, the chimney is now unused and closed. I have a 2nd floor apartment ( 1 additional floor above) in a jersey city brownstone. The problems… Left uncapped, disused chimneys are exposed to the elements, air-borne debris and nesting birds and can be a major waste of … A poorly ventilated sealed chimney can cause new chimney damp issues in the form of condensation build up or in some cases make existing damp issues worse. This then prevents cold air from being trapped in the chimney void as air is still allowed to flow through the chimney. Extract or introduce air effectively with the Toolstation range of fans and ventilation grilles. Wallhead chimneys are built on top of the front and back walls of a tenement. 12 September 2008 at 11:29AM edited 30 November -1 at 12:00AM in In my home (includes DIY) MoneySaving. Last year we had our soild fuel boiler replaced by an electric boiler. Last year we had our soild fuel boiler replaced by an electric boiler. Chimney damp is a common and annoying problem. After an old fire surround and hearth has been removed, the hole in the chimney breast can be bricked in to tidy up the wall. Your Chimney is Your Home’s Respiratory System. Types of chimney Wall head chimneys. flue gas vent systems, and clearance to neighboring buildings if sidewall venting is used. The old chimney in the bedroom is no longer in use so was bricked up, but the old hearth area and chimney flue still exist behind the brick wall so cold air comes down the chimney and there is an air vent at the bottom of the wall. The open flue will be a vent to channel cold air into the home. I currently have a malber condenser dryer but it does not work all that well, plus its extremely small. Direct Venting uses a power ventilating blower or fan (and in some models a heat exchanger plenum to cool outgoing gases passing through the building wall (sidewall direct exhaust) or roof or through an existing unused chimney through which a vent pipe is passed (vertical direct exhaust). Some wood stove buyers wonder if they can use the chimney connected with their existing fireplace for venting a new wood stove. Chimney damp will often occur if your chimney is unused and boarded up. Discussion in 'Building' started by overlandrover, 14 Apr 2007. overlandrover. When venting two appliances separately into a common chimney, always install the smaller flue pipe (appliance with lowest GPH input) at a higher point into the chimney than the larger flue pipe for the appliance with the largest GPH input. The chimney must be cleaned if previously used for venting solid fuel appliances or fireplaces. Flue ventilators can be found on our chimney pot page. • PVC must extend a minimum of 12” above the top of the chimney. Let’s explore this idea. Simply cut a tight fitting plug out of foam insulation and block the hole on the bottom. Sealing an Unused Dryer Vent Hole Fill the interior hole in the wall with fiberglass insulation from the … 15 posts. The area around the flue piping should be sealed where it enters the chimney. In this guide, we look at the signs of chimney damp, potential causes and fixes of a damp chimney. The fireplace flue can be a major source of energy loss. This type of fireplace has a completely sealed combustion chamber which allows it to vent directly out a side wall of the home. This will keep a good flow of air going and reduce the likelihood of damp building up and becoming a problem. If your chimney is open at the top but is not in use, rainwater can travel all the … - Vents in the bedrooms upstairs generally, located close to the windows. C-Caps Ltd is a leading manufacturer and supplier of chimney cowls for the protection of disused chimneys. He is gonna get a Corgi to give the whole place a once over also. Leaks and structural damage are the most common reasons for wanting to remove a chimney stack, and in such cases, you will have the option of simply covering over the rest of an unused chimney when you extend the roof over the gap left by the stack. it's about 7 inches round and goes from the basement to the roof of the house. http://www.drenergysaver.com | 1-888-225-6260In this home, Dr. Energy Saver replaced the old oil furnace with an energy-efficient propane heat pump. A gas stove can be vented through an existing chimney, whether it is a manufactured or masonry chimney. In either case, unknown to you, the metal chimney will slowly rust and the masonry chimney will slowly decay. Is is okay to vent the mitigation system exhaust into an unused chimney that is in the center of the house and extends well above the highest point of the roof which is also in the center of the house. Blocking up an unused fireplace . If you use a gas- or oil-fueled appliance, such as a furnace, it relies on the chimney for proper exhaust venting. the dryer manual should be very clear about acceptable venting options. Usually unused chimneys are capped off with a bent sheet metal covering and perhaps a wire strap or weight on the top. T he installation company felt that the only place to install a fresh air vent was from the front of the house, necessitating removing part of the basement ceiling to run the duct work. Capping an unused chimney/flue. Closing of an unused chimney. Do All Chimneys Need Ventilation? There is no need to remove the fireback from the fireplace, although if a back boiler is fitted, this should be removed once the plumbing has been isolated and disconnected. It goes without saying, I hope, that gas or oil appliances cannot be vented into a flue which also vents a solid fuel appliance. It goes without saying, I hope, that gas or oil appliances cannot be vented into a flue which also vents a solid fuel appliance. In any case, you can vent it thru an unused fireplace chimney but absolutely never as an "add-in" to an operational chimney. I would like to know the issues with venting an ELECTRIC dryer into an unused chimney shaft. Part Number 550-110-272/0699 7 Direct vent Through-roof or Through-unused-chimney Installation Definitions This is a direct vent installation, which differs from the non-direct venting through-roof installation as shown in the Weil-McLain vent manufacturer ’s special gas vent system Vent and One of our viewers has removed a stove and has an unused chimney going up the outside of the house. vent use for unused chimney? Apply a bead of butyl rubber caulk around three sides of the chimney at the top, and set the cut piece of metal on the chimney so the edges line up with the caulk bead. A gas stove can be vented through an existing chimney, whether it is a manufactured or masonry chimney. Direct vent is a term used to describe a specifically designed fireplace that performs differently from the traditionally vented fireplace which use a chimney. To ensure proper venting, however, a liner must first be installed in the chimney. NFPA 211 reduces fire hazards by ensuring the safe removal of flue gases, the proper installation of solid fuel-burning appliances, and the correct construction and installation of chimneys, fireplaces, and venting … Was just hoping to get a reg number to back me up. It is suggested that installers adhere to the following guidelines when doing such installations: (a) Vent pipe sizing to be as per appliance manufacturers’ instructions or technical manual. The chimney is shared with another lined chimney flue venting the gas hot water heater. This video shows the chimney removal of a small single skin chimney stack below roof level, and then tiled over to make good. Not sure if NYC code allows for you to vent a dryer up through a roof, if so you need to make sure your vent blower and conduit run (you have to enclose the entire run from the dryer until it exits the building) can handle the distance with adequate air flow. When you brick up the fireplace you need to fit either an air brick or a plastic/metal vent to allow air flow through the stack. We recommend that all unused flues are kept well vented. Understanding these two terms is necessary for deciding on the appropriate actions and calculating costs. In either case, unknown to you, the metal chimney will slowly rust and the masonry chimney will slowly decay. The building's water heaters / boilers vent through an aluminum shaft inside the chimney. I agree though, and don't want to install the fan. A solid-fuel-burning appliance or fireplace shall not connect to a chimney passageway venting another appliance. This type of chimney is made up of several small sections that are connected together. HI, in replacing my old gas furnace, the old chimney is now unused. Up and Out. What materials should I use besides cement/mortar? It is important that unused chimneys are vented at both the top and the bottom, to allow a constant flow of air. They normally carry flues from bedrooms. Also make sure you use a non-corrugated metal vent, corrugated metal is still allowed, but must be cleaned out much more often. Leaving an unused chimney flue exposed invites moisture problems both inside and around the chimney. I agree though, and don't want to install the fan. 5 replies 13.4K views briandiggle Forumite. In other words, only one appliance per flue, period. Unused chimneys not only waste a lot of heat, they also pose a potential damp problem as well as being a cause of smoking fireplaces and stoves. If so how + is it safe? Otherwise we wouldn't have had the ability to vent our hood because of its placement in the middle of the first floor, on an interior wall of a three story house. The new one will be direct vented through the side of the house. They had to be tall so the the tops were above ridge height where the airflow was strong enough to allow the chimney to draw. How should I close off the 4" diameter opening into the chimney, into which my old eater's galvanized vent was installed? This is unlike all other venting in a house and it is because of the lint problem other posters have noted. Sealing your older, unused chimney should not be a complicated task as long as attention is paid to prevention of air intrusion, as well as environmental and pest control. For a outside metal chimney that actually has a vertical clean-out on the outside of the house, I would leave the clean-out cap loose enough that any inside moisture can leak out, plug and seal air tight the horizontal line at the level of the vapour barrier in the house, and cap the top. Discussion in 'Building' started by overlandrover, 14 Apr 2007. overlandrover. It is certainly possible to remove only a portion of the old stack, which is most likely a double-walled B-vent. All of the vertical (through-roof or through-unused-chimney) methods in this Venting Supplement are acceptable and I need to install the vent fan, but the joist run to the side of the house where it will be a real pain to work on the outside on a ladder. Boston’s Best Chimney is experienced in working with engineers, plumbers, and contractors to complete chimney venting projects properly. It is quite rare for a chimney to have a vent in the upper half of the stack so … There are dozens of different chimney cowls on the market, many are designed for disused chimneys and act a breather/ventilator (like this one from online retailer Amazon).. But really, it’s more like the lungs. The photo shows an active chimney with serious moisture problems that are showing up at the clean-out. Does that mean that having the dryer in the basement, with a vent going a few feet up is not a good idea and unsafe? Capping an unused chimney/flue. It had an open flame gas fire in it previously (with a nasty brick fireplace!). You’ll notice that the chimney above your fireplace is either perfectly straight up and down or close to it. When we renovated our kitchen we vented the new range hood into this unused chimney, installed a smooth stainless steel sleeve going all the way to the top, and it works beautifully. 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