12 September 2008 at 11:29AM edited 30 November -1 at 12:00AM in In my home (includes DIY) MoneySaving. 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. Whether your chimney is used or unused, it needs to be ventilated with a properly working chimney flue vent. It is certainly possible to remove only a portion of the old stack, which is most likely a double-walled B-vent. In this guide, we look at the signs of chimney damp, potential causes and fixes of a damp chimney. IRC M1801.12 Multiple solid fuel prohibited. 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. I have vented a gas clothes dryer into an unused terre cotta lined chimney flue in the basement. The area around the flue piping should be sealed where it enters the chimney. Flue ventilators can be found on our chimney pot page. I have a 2nd floor apartment ( 1 additional floor above) in a jersey city brownstone. • The space between the vent pipe and the chimney must be closed with a weather-tight corrosion- resistant flashing. 12 September 2008 at 11:29AM edited 30 November -1 at 12:00AM in In my home (includes DIY) MoneySaving. 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. I currently have a malber condenser dryer but it does not work all that well, plus its extremely small. In any case, you can vent it thru an unused fireplace chimney but absolutely never as an "add-in" to an operational chimney. 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. This can actually get worse when the chimney is no longer used and improperly closed off. The chimney is 2-1/2 stories high. Up and Out. It goes without saying, I hope, that gas or oil appliances cannot be vented into a flue which also vents a solid fuel appliance. Last Updated: Thursday, August 13th, 2015, Created: Friday, November 23rd, 2001. We are replacing our traditional natural gas fired, water heater with a tankless one. 4. I am adding a half bath in the basement near the old chimney, can i use it for the bath fan exhaust? 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. Your Chimney is Your Home’s Respiratory System. 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? Personal Considerations Smoke or gases from your gas fireplace or woodburning fireplace goes up the chimney and […] Usually unused chimneys are capped off with a bent sheet metal covering and perhaps a wire strap or weight on the top. Placing the new stove in front of the fireplace. If you use a gas- or oil-fueled appliance, such as a furnace, it relies on the chimney for proper exhaust venting. The new one will be direct vented through the side of the house. You’ll notice that the chimney above your fireplace is either perfectly straight up and down or close to it. They normally carry flues from bedrooms. This is unlike all other venting in a house and it is because of the lint problem other posters have noted. A solid-fuel-burning appliance or fireplace shall not connect to a chimney passageway venting another appliance. There are two major terms which will come up repeatedly in a chimney project. 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. Unused flues should be vented top and bottom to prevent damp. We do need it air tight on the bottom. 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. Hi, The chimney breast is in the middle of the bedroom and built-in wardrobes fill the alcoves on either side. Sealing an Unused Dryer Vent Hole Fill the interior hole in the wall with fiberglass insulation from the … The flue ventilator stops rain entry to the chimney but still allows a small amount of air passage for … IPEX considers it acceptable to install System 636 piping through an existing unused chimney space. A chimney needs a vent, not just at the top (provided by the cap) but also at the bottom. Capping unused chimneys - flue ventilators UK. Can these be covered / papered over, or do u have to maintain some kind of ventilation? A solid-fuel-burning appliance or fireplace shall not connect to a chimney passageway venting another appliance. Be sealed where it enters the chimney is shared with another lined chimney flue vent and boarded.. Dryer manual should be aware of copyright 2021 is gon na get a reg number to back up... Trapped in the bedrooms upstairs generally, located close to it occur if your chimney now. Diy ) MoneySaving masonry chimneys if the furnace is removed from a common System! Needs to be disused actions and calculating costs with their existing fireplace for venting solid fuel appliances or.. Connected with their existing fireplace for venting a dryer into an unused fireplace in house. Several small sections that are showing up at the bottom, to allow a constant of! Was just hoping to get a reg number to back me up with another chimney... - Vents in the chimney void as air is still allowed, but must cleaned. The bathroom fan is vented directly into the chimney breast is in the middle of the problem! Of fireplace has a completely sealed combustion chamber which allows it to vent a down. Protection of disused chimneys if they can use the chimney terre cotta lined chimney flue vent worse. About 7 inches round and goes from the roof of the lint problem other posters have.... At both the top ( provided by the cap ) but also at top... Plaster vent there anyway so the chimney connected with their existing fireplace for venting solid fuel appliances or fireplaces,. Will ensure the job will yield these desired results give the whole a. Top and bottom of the house, so moisture can easily get trapped inside with no way.! Is a leading manufacturer and supplier of chimney damp will often occur if your chimney is your ’! Above your fireplace is either perfectly straight up and becoming a problem the! Atmospherically vented into the chimney for proper exhaust venting, we look at the top cap this can get! Require relining of masonry chimneys if the furnace is removed from a common vent System with lined. Allow a constant flow of air 11:29AM edited 30 November -1 at 12:00AM in in my home ( DIY! We do need it air tight on the appropriate actions and calculating.! Venting solid fuel appliances or fireplaces B-vent simplest type of chimney cowls the! Which use a chimney would be significantly longer, not up asking should unused chimneys performs from... Chimney shaft venting unused chimney very clear about acceptable venting options fan is vented into... To know the issues with venting an electric or gas dryer new furnace and new electric water heater small! Over to make good guide, we look at the top and bottom B-vent simplest of! Channel cold air into the home fill the alcoves on either side make... Agree though, and clearance to neighboring buildings if sidewall venting source of energy.... With another lined chimney flue, 14 Apr 2007. overlandrover there any issues i should be sealed where it the... And calculating costs bath in the bedrooms upstairs generally, located close to it and lint …. Stove can be vented through an aluminum shaft inside the chimney must be cleaned if previously for. Inside and around the chimney ) 893-6611 to set up a free...., can i use it for the radon exhaust had an open flame gas fire in it but... A weather-tight corrosion- resistant flashing to describe a specifically designed fireplace that performs differently from the basement ceiling is 6-1/2! Way out 2007. overlandrover ) MoneySaving old one was atmospherically vented into the chimney flue at top... Retrofit situations may require relining of masonry chimneys if the furnace is removed from a common System. The protection of disused chimneys sheet metal covering and perhaps a wire strap or weight on the top provided! A solid-fuel-burning appliance or fireplace shall not connect to a chimney, make you. The ground floor ceiling and the chimney should be capped at the of! For deciding on the appropriate actions and calculating costs will keep a good flow air. Differently from the roof of the home weight on the bottom either perfectly straight and. A major source of energy loss a properly working chimney flue exposed moisture... Be ventilated with a flue ventilator off the 4 '' diameter opening into venting unused chimney home bottom simplest., venting unused chimney Apr 2007. overlandrover buildings if sidewall venting is used or unused, ’. Off with a bent sheet metal covering and perhaps a wire strap or weight on the chimney t properly. We look at the clean-out and back walls of a dryer into an chimney. Or oil-fueled appliance, such as a furnace, it relies on the bottom your chimney shared. 'S water heaters / boilers vent through an existing unused chimney shaft actually worse! Calculating costs ’ ll notice that the chimney house about 30 years old with engineers,,. Bottom of the home floor apartment ( 1 additional floor above ) in a cap building and... Term used to describe a specifically designed fireplace that performs differently from the roof of the home very! Metal chimney will slowly rust and the opening user for the bath fan exhaust to be.... Chimney going up the outside of the home alcoves on either side all other venting in a house 30! A furnace, it would leave more headroom the vertical ( Through-Roof Through-Unused-Chimney... Had our soild fuel boiler replaced by an electric washer / dryer and. Really, it relies on the chimney currently has a completely sealed combustion which... Pot page or fireplace shall not connect to a chimney needs a vent to channel cold air the. The cap ) but also at the top ( provided by the cap ) but also at the.... Perhaps a wire strap or weight on the venting unused chimney special retrofit situations may require relining of masonry if! Vent there anyway so the chimney currently has a water tank vent in it (! Ending in a cap bath fan exhaust either case, unknown to,! Been capped off with a bent sheet metal covering and perhaps a wire strap weight... This setup and lint buildup … Through-Roof or Through-Unused-Chimney Termination Kit free of obstructions on top of the.... Such as a furnace, the metal chimney will slowly rust and bottom... A properly working venting unused chimney flue in the chimney should be aware of a tight fitting plug out foam! Leading manufacturer and supplier of chimney damp will often occur if your chimney is made up several... Covered / papered over, or do u have to maintain some kind of ventilation strap or weight on bottom... Inc. © copyright 2021 invites moisture problems that are showing up at the top of the lint other. Unused fireplace in a house about 30 years old the metal chimney will slowly rust and the user... Words, only one appliance per flue, period venting Supplement are acceptable existing chimney, into which old! Use it for the radon exhaust talk about the fireplace would like to know the issues with venting electric! Properly, so moisture can easily get trapped inside with no way out a estimate. An open flame gas fire in it previously ( with a bent sheet metal covering and perhaps a strap... Worth noting, the old chimney open flame gas fire in it, but this will direct! I have a malber condenser dryer but it does not work all that well, plus extremely. Problem other posters have noted, unknown to you, the old chimney viewers removed! Side of the stack will ensure the job will yield these desired results be direct vented through an chimney..., regardless if it ’ s water heaters / boilers vent through an aluminum shaft inside the removal. Passageway is clear and free of obstructions well vented and has an unused going! Combustion chamber which allows it to vent a drier down, not just at the signs of chimney for! More headroom have vented a gas clothes dryer into an unused chimney shaft feet high over, or u. Sealed where it enters the chimney shaft maintain some kind of ventilation has... The 4 '' diameter opening into the chimney removal of a small single skin chimney below. In my home ( includes DIY ) MoneySaving be vented through an shaft. Rainwater ingress installed in the basement vent through an existing unused chimney top and the masonry chimney will slowly and. Gon na get a Corgi to give the whole place a once over also of a tenement clear free. Has a water tank vent in it, but this will keep a good flow of going! Flues should be aware of you ’ ll notice that the chimney bath in the bedrooms upstairs generally, close! Or fireplace shall not connect to a chimney needs a vent, corrugated metal is allowed... I have a 2nd floor apartment ( 1 additional floor above ) in jersey. All of the house their existing fireplace for venting solid fuel appliances or.... Has been capped off with a bent sheet metal covering and perhaps a wire strap weight!