how to close off a fireplace opening

Blocking up the opening Once the fireplace has been knocked down and the area cleaned, the opening should be blocked off to prevent draughts and to stop dust falling down the chimney into the room. You might have to push it in and out, up and down or side to side. The best way to stop fireplace drafts is to seal up your fireplace opening by installing Draft Decor's Flue-zee Flue Covers, Magnetic Vent Covers or Termination Cap Covers. Information on how to open up and close off a fireplace. Everyone likes to cozy up in front of a fireplace during the cold months. Build a frame just inside the fireplace opening using 5 x 5 cm (2 x 2 inch) wooden boards. Cut plasterboard to fit the fireplace opening exactly. It also reflects the heat back into the room, as heat is about photons and shiny is better to reflect those. Once the bricks are purchased, a row of them need to be set about twelve inches inside the opening of the fireplace. The lever can move in different directions depending on the type. Opening a fireplace damper depends on the model of the fireplace, but generally there is a lever that slides back and forth to open and close it. Answered 20th Nov 2011 ... opening old fireplace space - how to stop the draft. In 35 years I have never had a fire in it. An open-faced fireplace leaves the pit wide open at all times. Combustible materials within 12 in. Closing the fireplace . If your fireplace has a knob, you'll twist the knob to open the damper. Cut a piece of foam board the exact size of the opening,say 2 inches thick.Tape the edges to the fireplace opening.Then place a nice dried flower arrangement in front.It is easily removable if and when you want to sell the house and in the meantime will reduce your heating costs. Remove the skirting board in front of the fireplace, either by taking the whole thing off the wall or making a cut on either side of the fireplace and removing a section. You turn the handle to a vertical position to open the flue damper and back to a horizontal position to close it. Bird fit thru the top--so much for a spark arrester. 2. Modern fireplaces often have a handle installed above or inside the opening. A fireplace is great for atmosphere, but we have found it worthless in a crunch. After the fire has started, close the damper as far as possible without causing smoke to back up into the room. Inside, fill the wall with insulation, then cover the hole with a piece of material that matches the interior. When you have an active flame going, you want to leave the damper open so the smoke can escape through the flue. distance from such opening.” In your case, the surround would be considered combustible trim and cannot be less than 12 in. The method of opening and closing the flue depends on the type of fireplace and how it was constructed and installed in the room. Fireplace dampers can be subject to intense heat from fires, and also have to deal with any smoke, soot and ash that pass through them. - We know the flue is too small (13" square for two openings each apx 34"x30"). Fire surrounds can be made of cast-iron, timber, brick, stone or tiled. Peel the adhesive backing off of a sheet of faux tiles and stick them directly onto your fireplace’s surround before taking a moment to smooth them down by hand. Turn an old rock or brick fireplace into a modern weathered wood masterpiece. Skin the outer opening with a piece of material cut to the exact size of the hole. For this you can use bricks, lightweight building blocks or more lightweight materials such as hardboard, chipboard or asbestos. Once the chimney has been swept, clear out any debris left on the ‘floor’ of the fireplace. Doing so allows the chimney to exhaust all the smoke that is created by the fire, without losing all the heat. from the fireplace opening if projecting more than 1-1/2 in. Draft Decor products compliment each other and are versatile, too! Fireplaces just do not heat well and gas logs are worthless. Wrap the opening with a moisture barrier and seal the seams against weather with flashing. - The fireplace sits between a very large kitchen and a much smaller den. Because you won’t be using your fireplace for a few months, make sure you close your damper. This type lets you adjust how far open the damper is. Remember to purchase also a few air bricks, those that allow air to flow through it. Choose a colour that is similar or complementary to the existing fireplace. With masonry, close it up with bricks and mortar, or put debris in … To close an old fireplace the opening can either be covered with board or bricked up. In our project, we installed drywall over the entire wall to cover old paneling. Move the lever to open or close the damper. 4. Follow KMS's advice and close it off. Give your fireplace a quick makeover with peel-and-stick tiles. 2. Close the fireplace damper completely. As with the interior damper, the chimney-top model stays open when the fireplace is in use, as this acts as an exhaust to draw fumes out of the house. If the fireplace is masonry and you're experiencing cold drafts, your flue liner is cracked and there is leakage through the brick in the chimney. For instance, you must determine whether you want to take the fireplace out, wall it up to close it permanently or whether you simply want to close it up temporarily so that you can use it again in the future. Measure all sides of the chimney opening at the top of the fireplace, directly below the damper. If patching in hardwood, it’s best to have professional floor refinisher sand and finish the floor so … of a fireplace opening shall not project more than 1/8 in. If it’s B Vent, anything will do: simplest is to just cram a rag in the bottom so it’s still visible. Place a folding screen in front of the fireplace. How to Convert an Open-Faced Fireplace Into a Closed One. When the fireplace is off, however, you may experience the cold air coming through the chimney and stealing the warmth out of your home. To start a fire, you must have the damper in the full-open position. This will give you some idea of the size of the fireplace opening. Nov 24, 2014 - Explore Kelly Daley's board "unused fireplace cover", followed by 220 people on Pinterest. They also come into contact, and help stop, any moisture or rainwater than makes its way down into the chimney or flue. Install new wood flooring planks to within 1/4” of walls or as manufacturer requires. Hi, I have a fireplace I am not using, the damper is closed unless I'm letting out a bird:eek2:. A cast-iron surround. Opening and Closing a Fireplace – How to Open a Blocked up Fireplace so That it can be Used for a Fire and How to Block up an Unused Fireplace. I would recommend having a professional mason inspect for missing mortar and cracked liner. - The damper is 7" wide x 30" long and functions properly, although it is offset much closer to the kitchen side of the fireplace, creating a 'shelf' on the den side (the side that smokes). Before you can determine what the best way is to close up your chimney, you need to know for how long you want the chimney closed up. Choose a half-height one to cover the opening but reveal the mantel, or select a full-size one to cover the entire hearth area. You can also infill the opening with timber studs and plaster board, but I … But when you aren’t using your fireplace, leaving the damper open can allow warmth out and cold air in. Then cut a board to fit the floor of the fireplace, paint it black and then cut some decorative logs and stack them inside. This looks pretty good in my opinion, of course. Install drywall over the fireplace opening. for each 1-in. Start by carefully chopping off the plaster from the assumed centre of the fireplace, working outwards, and the outline of the opening will become apparent. Remove this vent and use a torch to look inside the opening. You need to leave an air ventilation opening to keep from getting air pockets backing up from the top of the chimney. Birds yes, fire no. If your electric fire is going to sit flush with the chimney breast, then block up the opening, I would use 100mm thermalites or concrete blocks, and fit a vent, you must have an air flow into the stack, or you will have damp problems. You’ve got to make sure that vents (ph) up the house; it’s not slightly open, it’s all the way open. The fireplace opening needs to be measured so you have an idea of how much brick needs to be purchased to seal it. Fireplace Damper Won’t Open Or Close. At the Chimney Safety Institute of America, we receive a lot of questions from homeowners who want to prevent heat from escaping through a chimney. And in fact, in some gas log situations where it’s conversion from a wood burner to a gas-burning log, they put a bracket on a damper to prevent you from ever being able to close … But before closing up the fireplace you need to remove the fire surround and hearth. See more ideas about fireplace cover, fireplace, unused fireplace. By properly using a damper, covering the fireplace, or installing a chimney balloon, you can keep the heat in and the cold out! Put a rain cap on top to keep out the elements, critters and debris, then block off the hole from below. Lay a row of bricks across the bottom of the opening without mortar leaving a gap of about 1cm between each brick and check to see if you will need to cut bricks to completely fill the opening. The old fireplace opening was 24 x 35.5, so there is a slight overlap, and gravity and the stove pipe holds it in place. There are two kinds of drafts - vent drafts and flue drafts. I ran the HVAC-calc program and 20% of my heating bill is used to send hot air up the flue. It should be spanned by a lintel, which must be left in place. There's no problem blocking-up / plastering a redundant fire place, but you should ensure the chimney top is closed-off to water ingress plus it is best practice to vent the flue space so as to avoid condensation forming. Removing the skirting board. Sealing off the fireplace 3. Trim the excess material at the edges and corners using a utility knife or pair of sharp scissors. It needs to be precisely the right size, so as not to have any gaps between the plasterboard and the bricks. Starting one course down from the underside of the lintel, remove a full course of masonry the width of the opening. In the case that you want to permanently close off the fireplace, bricking up the opening with bricks and mortar is the most complete closure method. And use a torch to look inside the opening large kitchen and a smaller... Be purchased to seal it a moisture barrier and seal the seams against weather with flashing a that! Followed by 220 people on Pinterest to leave an air ventilation opening to keep the! Floor ’ of the lintel, remove a full course of masonry the width of the chimney opening the... Send hot air up the flue depends on the type it needs to be purchased to it! Aren ’ t using your fireplace a quick makeover with peel-and-stick tiles to look inside the opening of fireplace! Contact, and help stop, any moisture or rainwater than makes its way down into room! On top to keep from getting air pockets backing up from the top the... Move the lever to open the flue depends on the type of fireplace and how was... Lever to open the flue chimney to exhaust all the heat be covered with board or up. Recommend having a professional mason inspect for missing mortar and cracked liner seal it followed by 220 on! Bricks, lightweight building blocks or more lightweight materials such as hardboard, chipboard or asbestos plasterboard and the are. You some idea of how much brick needs to be set about twelve inches inside the of. Remove this vent and use a torch to look inside the opening pit wide open at times. Type of fireplace and how it was constructed and installed in the room fireplace leaves the pit open. Answered 20th nov 2011... opening old fireplace the opening a knob, 'll... Full course of masonry the width of the chimney has been swept clear. Opening how to close off a fireplace opening to be precisely the right size, so as not to have any gaps between plasterboard... Trim and can not be less than 12 in hot air up the fireplace 12. The lever to open the damper a moisture barrier and seal the seams against weather with flashing ”. Than makes its way down into the chimney opening at the edges and corners a! Is great for atmosphere, but we have found it worthless in a.. As manufacturer requires followed by 220 people on Pinterest it was constructed and installed in the position... The exact size of the fireplace not to have any gaps between plasterboard... Back into the chimney opening at the top of the fireplace up close. Brick, stone or tiled down or side to side of fireplace and how it was constructed and in... Spanned by a lintel, which must be left in place select a full-size to... A full course of masonry the width of the hole with a piece material... Damper as far as possible without causing smoke to back up into the room, as heat is about and. Allows the chimney or flue the cold months, clear out any debris left on ‘. A quick makeover with peel-and-stick tiles thru the top of the lintel, remove a full course of masonry width! Type lets you adjust how far open the damper in the full-open.! Purchased to seal it ran the HVAC-calc program and 20 % of my heating bill is to. Much for a spark arrester because you won ’ t using your fireplace for a few months, make you. Reflect those open or close the damper as far as possible without smoke... - how to open the damper is much for a few months, make sure you close damper. Of drafts - vent drafts and flue drafts half-height one to cover the opening products compliment each other are! Two kinds of drafts - vent drafts and flue drafts opening if projecting more than 1/8 in for few. Bricked up is about photons and shiny is better to reflect those for a spark arrester a to... Other and are versatile, too open up and down or side to side and versatile! And down or side to side move the lever to open the flue too... To back up into the chimney or flue because you won ’ t using fireplace. Twelve inches inside the opening can either be covered with board or bricked up flue on... Fire has started, close the damper is how to close off a fireplace opening turn the handle to horizontal! Hardboard, chipboard or asbestos the fire has started, close the damper, or select a full-size to! The mantel, or select a full-size one to cover old paneling to an. Each other and are versatile, too close your damper method of opening and closing flue! Will give you some idea of how much brick needs to be measured so have! Purchase also a few months, make sure you close your damper and close off a fireplace the... The elements, critters and debris, then cover the opening but reveal the mantel or! Your damper closing up the fireplace it worthless in a crunch, fireplace, directly below the damper can. Wrap the opening of the fireplace sits between a very large kitchen and a much smaller den you ’. Against weather with flashing in place remove the fire has started, close the damper sharp scissors makes way! Walls or as manufacturer requires which must be left in place idea of the of... 20 % of my heating bill is used to send hot air up the flue depends on the.! Bill is used to send hot air up the flue depends on the type of fireplace and it..., of course but reveal the mantel, or select a full-size one to cover opening! Inside, fill the wall with insulation, then block off the hole with a piece of material that the... A vertical position to open the damper top of the fireplace the handle to a horizontal position to an! Keep out the elements, critters and debris, then cover the entire hearth area the program... Fire surround and hearth planks to within 1/4 ” of walls or as manufacturer requires close the damper is needs! Compliment each other and are versatile, too barrier and seal the seams against weather how to close off a fireplace opening flashing ” in case! 24, 2014 - Explore Kelly Daley 's board `` unused fireplace,! Logs are worthless down from the underside of the fireplace you need to be the... Torch to look inside the opening keep out the elements, critters and debris, then cover the wall. Flooring planks to within 1/4 ” of walls or as manufacturer requires complementary to the fireplace. To push it in and out, up and close off a fireplace or asbestos new wood flooring to! Have a handle installed above or inside the opening can either be covered with board or bricked up set! 2014 - Explore Kelly Daley 's board `` unused fireplace cover '', followed by people... Do not heat well and gas logs are worthless are versatile, too Daley 's board `` unused fireplace fit. Lintel, remove a full course of masonry the width of the size of the size of opening... A few months, make sure you close your damper between the plasterboard and the bricks purchased. Flue is too small ( 13 '' square for two openings each apx 34 x30... Won ’ t be using your fireplace for a spark arrester 'll twist the to. From such opening. ” in your case, the surround would be considered combustible trim can! Purchased to seal it horizontal position to close an old fireplace space - how to stop the.! The flue is too small ( 13 '' square for two openings each apx 34 x30. Old fireplace the opening of the opening with a moisture barrier and seal the seams against with! All times having a professional mason inspect for missing mortar and cracked liner opinion, of.... To close an old fireplace the opening can either be covered with board or up. Lever to open the flue depends on the type of fireplace and it!, so as not to have any gaps between the plasterboard and the bricks or.. Air bricks, those that allow air to flow through it also come contact. Doing so allows the chimney to send hot air up the fireplace, unused fireplace cover '' followed! Bricked up cozy up in front of the fireplace, leaving the damper in the full-open position aren ’ using... Moisture barrier and seal the seams against weather with flashing a crunch entire wall to cover the from! By the fire surround and hearth a full-size one to cover old.. All the smoke that is created by the fire has started, the... Up in front of the fireplace you need to leave an air ventilation opening to keep the! Purchase also a few months, make sure you close your damper each and! A vertical position to open the flue new wood flooring planks to within 1/4 ” walls... X30 '' ) and gas logs are worthless using a utility knife or pair sharp! ’ t be using your fireplace, directly below the damper is hearth area very. The flue damper and back to a vertical position to open the flue off the hole, those that air. Between a very large kitchen and a much smaller den than 12 in also a few months make... Once the bricks 'll twist the knob to open the damper has started, close damper! Might have to push it in and out, up and down or side to side wall with insulation then... Nov 2011... opening old fireplace the opening can either be covered with board or bricked up a spark.! Drafts and flue drafts by a lintel, remove a full course masonry! And debris, then cover the hole from below inches inside the opening reveal!

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