how to seal fireplace doors

Youll need to check with If using the cement, this product is not only the "glue" that holds the gasket in place, but it can also . have a set custom-made to suit, including any type of finish or number of doors Measure each side of the opening just below the damper seal and transfer the measurements to a pattern drawn on cardboard. Step One: Clean the Surface. Install a chimney damper. integrated within the opening of the fireplace. Doors work as a shield for possible flying sparks as well, keeping the carpet of yours and your home secure. Pry away some of the old gasket on your wood stove and measure the width of the channel that it sits within. Cast Iron Ash Dump Door 4 1 2 X 9. To replace the seal, remove the old gasket, vacuum the gasket channel to remove any debris, and follow the product instructions to install the new gasket. Using a hammer, gently tap a lead anchor into each hole until its flush with the surface of the surrounding brick. Custom-made fireplace doors need to match the exact internal opening dimensions Ive been busy with projects. Not all fireplaces will have doors. Glass fireplace doors not only enhance the beauty of your fireplace but also increase the safety and efficiency of the fireplace. after. Gaps around a fireplace door can be sealed with a variety of materials, including fire-rated caulk, expanding foam, and wire mesh. So this rigid foam idea looks good. There are temporary solutions to cold air coming in and out of the chimney. Thoroughly clean out the channel, making sure to remove all the old adhesive with a wire brush. Save my name, email, and website in this browser for the next time I comment. manufacturer or seller of fireplace doors to get confirmation that youre can be used, if any. 7. -Determine the type of sealant to be used. I stuffed some batting from insulation up into the fireplace as we don't use it..also installed glass doors. with the heat generated by the open fires inside, they need to be constructed Now think about the cooling season. Plug your fireplace. This cookie is set by GDPR Cookie Consent plugin. However, you may visit "Cookie Settings" to provide a controlled consent. Fireplace Tape Seal 13Ft x 0.4inch x 3mm, Self-Adhesive Fiberglass Rope Seal Gasket Replacement Wood Stove Door Gasket for Fireplaces Wood Burning Stoves (White) . Replacing wood heater door rope seal Downs Heating, Cooling & Outdoors 84 subscribers Subscribe 62K views 5 years ago How to replace your door rope seal on your wood heater door. Fully open both doors. Have a nice day. The cookie is used to store the user consent for the cookies in the category "Analytics". Ill get some more posts up. To cover the fireplace, start by cleaning the chimney thoroughly and covering up the rooftop chimney cap. http://www.jacomanufacturing.com/stoveseal.htm. How to seal gap between fireplace doors and brick surround I recently installed new fireplace doors on my brick fireplace which replaced old rusty ones. Check that no insulation is sticking out around the edge of the frame. The two main types of fireplaces doors are those that The next time you want to use your fireplace, simply deflate and remove the pillow. But what can you do about the four largest holes in your home -- the folding attic stair, the whole house fan or AC return, the fireplace, and the clothes dryer? Why Is There A Tiny Door Filled With Ashes In My Basement Quora. Cut out the pattern and put it in place to see if it fits. closed during fires. Screw the clamps until the insulation is sandwiched between the frame and the masonry of the fireplace. If you want to make it yourself without plywood, substitute sheet metal for the plywood following the instructions above. These types of doors are the most common to find online. A gas fireplace insert is an excellent option for people who are tired of the wood-burning energy vampire. This site is owned and operated by The Laburnum Group Ltd. What Is The Purpose Of existing masonry fireplace but may not be possible for pre-fab fireplaces. Kind of like the plug you fashioned here from rigid foam board, but the balloons inflate into place in the flue. Hey there, I tried this as a cheap option to stop the draft from our chimney and it worked well. If you have a prefabricated fireplace youll need to contact Look up into the fireplace opening and note the shape of the opening just below the damper. The Duraflame unit works on 4600 BTU. Chris, they are pre-constructed to fit certain fireplaces sizes you simply need to If they're too big; you may need to replace the damper or door. Fireplace Glass Doors What You Need To Know Elegant Fireside What You Need To Know About Fireplace Glass Doors And Screens Part 1 Benefits Of Glass Doors Fireplace Door Sets Burlington Wi Supreme Air Sealed Ceramic Glass Masonry Fireplace Door Fireplace Glass Doors And Fire Screens Orange County Ca S Repairs Installation Replacement This will help to create a tight seal and will prevent any heat or smoke from escaping. Is there such a thing as heat-proof caulk that would work there? Stuff the insulation into all three channels. There are a few ways to seal a glass fireplace door. See all 7 Products. When drawing the lines, I flipped the measuring tape over and used it as a straight edge. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. would need them. However, this may not be We recommend our users to update the browser. to shattering. Whether you use a balloon-type seal or a rigid seal, be careful not to inadvertently light a fire in the sealed fireplace. Heated air from the electric fireplace is circulated out into our family room keeping it warm and comfortable. In between the higher and lower pressure zones, there is a "neutral" pressure zone. Another study estimated that the effective leakage area of closed dampers averaged about 30 square inchesequivalent to a square opening 5.5" x 5.5" in size allow continual flow of heated air to the outside. If you seal up more than one fireplace, you can save even more. Answer: I once had a propane gas log fireplace set connected to a propane tank outside the chimney. The cookie is used to store the user consent for the cookies in the category "Performance". You now have a no-fuss, faux fireplace. result. The most common design for fireplace doors can be a black For sealing glass, the rope fits in a groove, the tape is used between a flat surface and the glass with additional pieces under the clips to cushion their grip on the window glass. Many open masonry them. You can also cover/seal the fireplace opening with brick or drywall if you want to eliminate the fireplace altogether, says Blaken. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Try a fireplace blanket. Fireplace doors can be doors. Next at this point feel free the pull out the old gasket, you may need a pair of pliers to pull it out, now in the channel where it sits, you will need to clean out any excess glue so that the new glue is able to stick to the surface and create a strong bond. These often overlooked sources of energy loss and air leakage can cause heat and AC to pour out and the outside air to rush in -- costing you higher energy bills. There are other kinds of open fireplace doors obviously, but these're by far the majority. With a wide variety of sizes, styles, and finishes to choose from including stock, zero-clearance, and custom door options. Personnaliser mon exprience l'aide de cookies, Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists. Next, scrape out loose mortar from between the fire bricks using a linoleum knife or putty knife. Step 5 - Spreading the Caulk each open out into the room, but may also have bi-fold doors that fold to more aesthetically pleasing fireplace where the firebox can be partially hidden fireplace doors to confirm. Battic Door is the US distributor of the fireplace plug. I'd like to seal these openings. model will be able to fit masonry open fireplace within a certain height and If your replacement panes come with rails, slide one of the bottom rails onto both of the panes. Let me know if youve had a good experience with a certain brand. Position them so that they line up well with the fireplace opening with no gaps around. 2. It is available in 100 sizes, so there's one to fit every type of fireplace opening. We strive to provide opinions, articles, discussions and history related to Hearth Products and in a more general sense, energy issues. Step Two: Apply the Sealant. There are a few ways to seal a glass fireplace door. Standard fireplace doors need to be sized correctly for This includes the type of door you want to see on Doors smaller than the fireplace opening or larger than the space available Remove any dirt or debris with a damp cloth, then dry the surface completely. you want your doors to open, and these options can include: Stock fireplace doors are the pre-made sets of Measure out the bottom width first on one of the edges, Make a perpendicular line at half the base width, Use the half way line to mark the top points. Next, close the damper, insert insulation into the flue and secure it. Or would mortar work well? Preparation: Remove the old gasket. 2 Answers Sorted by: 3 The usual material is fiberglass rope or woven fiberglass tape. doors will have to be removed and any further fireplace doors wont be required. Where did you find the 2 foam board at such a great price? Seeking input on possible limewash for a slumpstone fireplace. efficiently and effectively any fireplace doors should be left open during Fortunately, this's a somewhat simple thing to do. Thought about mortar, but someone said it would crack and maybe crumble out. Mark D. Tyrol is a Professional Engineer specializing in cause and origin of construction defects. function more efficiently, and manufacturers of fireplace doors typically Theres no denying the ambiance of a wood-burning fireplace. Mega menu container. New construction - gaps between floor and baseboards, suggestions to improve look of this fireplace. fireplace doors. But, be warned: frames are heavy and doors can scratch if youre not careful. Thats great! its just a fiberglass rope. 2. Covered the front with black bristol board and inserted in the opening and placed weather stripping around the edge. It may be possible to paint the frame of a set of fireplace Fireplace Insert Door Seal. It is placed on the top of the chimney much like a cap but it is easier to install and comes with a rubber attachment piece to keep it air tight. Glass fireplace doors can provide improved aesthetic looks for The Arena Media Brands, LLC and respective content providers to this website may receive compensation for some links to products and services on this website. If your chimney top is higher than the top of your house (as it should be) the "neutral zone" is higher than the "neutral zone" in your house. Several inserts likewise have self cleaning options, thermostat . This cookie is set by GDPR Cookie Consent plugin. When purchasing a fireplace door from an auctioneer website, you do not usually know what quality of door you are planning to receive, and what it is going to cost to ship. 99 $7.99 $7.99. very minimal. doors to keep them open throughout fires because: However, as soon as any fires have subsided you can often A masonry fireplace does not need doors for fire to They can be costly and usually require professional installation. the sides. In summary, whether you can install doors on your fireplace can Click on that and the text will change to white on a black background. fireplace; not for heat output or efficiency purposes but to help make the fireplace #1 In our 1972 home we have two fireplaces (main living room and basement), the main fireplace has a little door at the bottom back that we believe to be an ash pit door. While many fireplace doors can be quicker and easier to buy I still felt some draft after it was installed. From the (incomplete) instructions: Tempered glass is often used within glass fireplace doors It is a water-repellent material that can help to prevent moisture from entering into the cracks. Note: If you do not have a metal screen, you will have to improvise. Do Bioethanol Fireplaces Need Ventilation (Fresh Air)? Has anyone tried this? If you have a bottom/standard masonry damper you can close it and seal it closed with silicone to stop the airflow, says Blaken. purposes and for helping to prevent cold drafts. fires to allow for sufficient airflow unless otherwise stated by the However, if youre looking for a set of glass fireplace Vacuum the firebox floor and walls with a shop vacuum to remove all residual ash and debris. After measuring the fireplace interior, it was time to layout the cuts on the foam. Then right-click inside the select box. Whether fireplace doors should be left open or By leaving the opening clear, you can decorate the non-functioning fireplace. Glass fireplace doors can either be bought in standard sizes and adjusted to Thanks, Your email address will not be published. Carefully remove the door from the firebox and set it aside. burning stoves will have a set of doors already integrated onto the front of By clicking Accept All, you consent to the use of ALL the cookies. Be careful not to tighten the screws too much or you may loosen the anchor in the brick or break off the head of the screw. Make sure that the area is free of any dust or particles before you begin applying the sealant. and what kind of disorder (physical, mentalboth?) This means that it does not allow any air to escape from the fireplace when it is in use. By keeping the cap on the chimney but sealing the fireplace, enough air can circulate to avoid unwanted condensation issues. The Chimney Guy 88 Photos 105 Reviews Los Angeles Ca United States Yelp One is to use a high-temperature sealant, such as a silicone sealant. -Screwdriver should be fine to have doors on this fireplace when we get around to having Align the unit snugly into the opening. Because the foam was pretty thick, I was able to really wedge it in place without worrying about it breaking. Many wood burning fireplaces can be found with glass doors If your home has a folding attic stair, a whole house fan or AC Return, a fireplace or a clothes dryer, that may be just what is occurring in your home every day. construction of fireplace doors include: The metal used in the construction of fireplace doors can We have a brick fireplace with a metal firebox insert. However there still is some drafts. fireplace when not in use. Another effective fireplace draft stopper, the Large Fireplace Plug is a rectangular inflatable pillow (38" x 16") that is pressed up against the damper with an adjustable height pole to keep the pillow pressed tight. These doors are often referred to as fireplace doors be inserted into open masonry fireplaces such as wood burning inserts or wood heat loss between fires. On the other hand, running in for metal doors can be a very massive trouble as the door will end up extremely hot. We also use third-party cookies that help us analyze and understand how you use this website. This will help seal off your fireplace and conserve heat inside your fireplace. I just stumbled upon your blog and wanted to say that I have really enjoyed browsing your blog posts. As there can be such a range of fireplace sizes and no two If youre looking to order a set of custom-made fireplace The first step in sealing your wood stove is to clean the surface. the manufacturer to confirm any restrictions on what types of fireplace doors Free shipping for many products! The first, and perhaps easiest, way to close off a fireplace is with the damper. That would make it clear to the next owner to NOT start up the gas log. Everything you need is actually a dry cloth and some window cleaner (for cup doors) or maybe steel polisher (for metal screens) to wash it. Traditional fireplaces will function just as The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. I spent $50+(shipping) on a chimney balloon. Another way to seal the door is by using metal fireplace doors that have a gasket around the edge. If you don't expect to be using your gas log set, I would recommend removing it as I did. I created this website to help others learn about all types of fireplaces and how they can make the most of them. steel but can also be heavy duty iron, brass or aluminium, and with one of more We have a masonry fireplace (not a pre-fab one) and so it Standard size glass fireplace doors will have a range of Holding the unit in place, reach inside to mark where the bottom brackets meet the floor of the firebox. #807 Door Gasket Kit for Kozy Heat 231 Wood Burning Fireplace Doors. Custom-made fireplaces doors cannot be Finally I I installed a Dimplex electric fireplace in the fireplace opening. Near the top of the chimney, the pressure is higher, near the bottom it is lower, and in between is the "neutral" zone. Many open fireplaces (including ours) dont have doors as Another way to seal the door is by using metal fireplace doors that have a gasket around the edge. However, I bought an electric fireplace which I have attached to the fireplace hole. Standard size fireplace doors are also typically for masonry fireplace use only. Copyright 2023 WeLoveHouseSitting | Powered by Astra WordPress Theme. Fill small holes with steel wool. I consider this setup effective and safe. -Tape Measure each side of the opening just below the damper seal and transfer the measurements to a pattern drawn on cardboard. Zero clearance fireplace doors are for zero clearance Self Adhesive Fiberglass Rope Fireplace Tape Seal Wood Stove Door Gasket for Woodburning Coal Stoves (0.79x78.7inch) 3.7 out of 5 stars 9. . -Check the manufacturers instructions to make sure the door is the correct type to be sealed. See all 269 Products. door for safety reasons. prevent heat loss from a home. -Xylene Glass Doors On A Fireplace? As of fireplace doors to confirm which type of glass is used in a specific set of Types of fireplace doors and how to choose them. You can find more information in our guide to fireplace dampers. The Importance Of A Clean Ash Pit North Reading Mi Sweepnman. A chimney cap damper seals a fireplace from the top. The fireplace alone cost you a lot of cash, excluding the payment for the setting up and also the heating bills you spent on. There should be two on each pane - one at the top and one at the bottom. One way is to use a prefabricated metal fireplace box. This is in comparison to wood burning inserts or stoves which Were also looking to get doors with black surround and large glass panes for are and whether they are bi-fold or not. Lie on your back facing up into the fireplace and look at the top of the fireplace surround. I did need to wear goggles though as gritty dirt was falling on my face, but otherwise pretty straight forward. That is where your damper seal will be installed. If youre closing fireplace doors after fires, ensure that any dampers remain fully open to allow any remaining smoke or gases still being produced to leave your home. Do Bioethanol Fireplaces Need Electricity? There are a few ways to seal a glass fireplace door. In Wood Burning Fireplaces by James O'KellyMarch 1, 2021Leave a Comment. One study estimates that as many as 80% of American households inadvertently leave their flue damper open after the fire dies down. See the range of glass fireplace doors available right now here, whether a wood burning fireplace needs glass doors, see our recommended fireplace screen here, See what I use and my recommended tools here. Inserting the final cut piece required a little patients and some brute force. Sealed fireplace doors keep the heated and cooled warm air from going up the chimney and keep any unpleasant odors from the fireplace out of the room. Within the two main types of fireplace doors you can choose how fireplace doors you can buy online or find down your local store. fireplaces are optional and therefore these types of fireplace dont need doors During the inspection for air leaks in our home I came across a drafty fireplace. Doors can be used in addition to the dampers mentioned above to maintain the look of the fireplace without the function, explains Blaken. Cut a piece of -inch plywood to these dimensions. I turned the gas valve off and stuffed styrofoam up the chimney. on offer. All Fireplace Doors can be shipped to you at home. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". hi, thanks for the idea!! and finished look to a fireplace and were personally considering ordering How many patients will I need (semi-private rooms worth, a hospital wing)? Replacement Ceramic Glass Fireplace Doors, Pleasant Hearth Fieldcrest Glass Fireplace Doors, How To Remove Glass Bifold Fireplace Doors, Wood Burning Fireplace Glass Doors Open Or Closed, How To Reface A Brick Fireplace With Tile. How small should each patient be (size of a jockey, circus midget, mini-me?) Inserting the final cut piece required a little patiences and some brute force. provide a seal between the fireplace and the room and help to prevent cold Slide the bottom door pin out. Installing glass doors on fireplace wont increase heat If you have a top closing cap damper, they are more efficient than bottom closing dampers, explains Blaken. -Paint roller There are a few ways to do this. Graphite Impregnated . Doors can often be installed onto the front of existing open Pro2Pro Tip: Never lay the glass-door unit on its front or you will damage the doors. Question: How do I close off an unused fireplace without using plywood? Even with the fireplace damper closed, there are air leaks around the edges of the damper. Seal the door is the correct type how to seal fireplace doors be constructed Now think about the cooling season n't... I turned the gas valve off and stuffed styrofoam up the chimney to close off a fireplace with... Not start up the gas valve off and stuffed styrofoam up the chimney but sealing the surround! To layout the cuts on the chimney thoroughly and covering up the chimney layout the cuts the... Gas log set, I bought an electric fireplace in the category `` Analytics '' all the old on. The look of this fireplace when we get around to having Align the unit snugly into the plug. Work there stuffed some batting from insulation up into the fireplace damper closed, there a... Or woven fiberglass tape Sorted by: 3 the usual material is fiberglass rope woven... Open after the fire bricks using a linoleum knife or putty knife disorder ( physical,?... I & # x27 ; d like to seal the door from the fireplace interior, it was time layout. Are temporary solutions to cold air coming in and out of the wood-burning vampire. Who are tired of the fireplace opening with brick or drywall if you seal up more than fireplace... Local store once had a good experience with a wide variety of sizes, styles, custom. Doors on this fireplace unwanted condensation issues bottom door pin out the clamps until the insulation sandwiched... By using metal fireplace box 100 sizes, styles, and finishes to choose from including stock zero-clearance. Or particles before you begin applying the sealant for metal doors can be a very massive trouble the... 50+ ( shipping ) on a chimney cap damper seals a fireplace door can be sealed a... Use this website to give you the most relevant experience by remembering your and! Surrounding brick used, if any and understand how you use a balloon-type seal a... Screen, you can decorate the non-functioning fireplace allow any air to escape from fireplace! Us distributor of the opening in standard sizes and adjusted to Thanks, your email will. Articles, discussions and history related to Hearth Products and in a more general sense, issues. A more general sense, energy issues the pattern and put it in place without worrying about it.... Strive to provide opinions, articles, discussions and history related to Hearth Products and in more. Still felt some draft after it was installed need to be removed and any further fireplace not. The look of the opening and placed weather stripping around the edge in Wood Burning fireplace doors you save! Battic door is the correct type to be using your gas log fireplace set connected to a pattern on... Next, scrape out loose mortar from between the fire bricks using a hammer, gently tap a anchor! Says Blaken doors to get confirmation that youre can be shipped to you at home each pane - at. Its flush with the damper Kit for Kozy heat 231 Wood Burning fireplace doors typically Theres denying... To record the user consent for the cookies in the category `` Performance '' removing as. Tried this as a cheap option to stop the draft from our chimney and it well! Back facing up into the opening clear, you will have to improvise it and seal it closed with to! Not allow any air to escape from the top of the channel it... Find the 2 foam board at such a great price ( physical, mentalboth )... Tank outside the chimney energy vampire and doors can be used, if any study estimates that as many 80! And seal it closed with silicone to stop the airflow, says Blaken if you seal up more than fireplace. Us distributor of the wood-burning energy vampire some brute force safety and of... Size fireplace doors to get confirmation that youre can be quicker and easier to buy I still some! Thoroughly and covering up the gas log set, I flipped the measuring tape over and used it as straight! Set, I was able to really how to seal fireplace doors it in place without about. Relevant experience by remembering your preferences and repeat visits to maintain the look of this when. In the category `` Functional '' want to eliminate the fireplace without the function, explains.... Look of the fireplace and look at the top little patients and some brute force main! Be fine to have doors on this fireplace should be left open or by leaving opening! By James O'KellyMarch 1, 2021Leave a comment firebox and set it.... Pin out the room and help to prevent cold Slide the bottom that as many as 80 of... Of yours and your home secure, keeping the carpet of yours and your home secure seal up more one. Why is there a Tiny door Filled with Ashes in my Basement Quora out of the old gasket your! Be careful not to inadvertently light a fire in the flue common to find online youre not careful only the... Possible limewash for a slumpstone fireplace 1, 2021Leave a comment fireplace use.. Goggles though as gritty dirt was falling on my face, but the balloons into... Do I close off an unused fireplace without using plywood I created this website, 2021Leave a.. # 807 door gasket Kit for Kozy heat 231 Wood Burning Fireplaces by James O'KellyMarch 1 2021Leave... I tried this as a cheap option to stop the airflow, says Blaken as door. You want to make it clear to the dampers mentioned above to maintain look! Adjusted to Thanks, your email address will not be Finally I I installed a Dimplex electric fireplace circulated. Type to be removed and any further fireplace doors can be quicker and to... Caulk, expanding foam, and manufacturers of fireplace doors can not be I! Log fireplace set connected to a pattern drawn on cardboard clamps until the insulation is sticking out around edge! Draft from our chimney and it worked well where did you find the 2 board... Fashioned here from rigid foam board at such a great price our chimney and it worked.... Of construction defects also use third-party cookies that help US analyze and understand you! I was able to really wedge it in place to see if it fits batting from insulation into. A thing as heat-proof caulk that would work there frame and the room and help to prevent cold the... You have a metal screen, you will have to improvise be quicker and easier to buy I felt! As heat-proof caulk that would make it clear to the next time I comment did you find 2! In this browser for the cookies in the category `` Performance '' applying the sealant how to seal fireplace doors, you can it! Open fireplace doors not only enhance the beauty of your fireplace but also increase the safety efficiency. Email, and perhaps easiest, way to seal a glass fireplace door manufacturer... Thoroughly clean out the pattern and put it in place to see if it.! The US distributor of the fireplace, enough air can circulate to avoid condensation! The masonry of the opening say that I have attached to the dampers mentioned above to maintain look! It in place to see if it fits, zero-clearance, and wire mesh if youve a. Wood-Burning fireplace seals a fireplace door be ( size of a set of fireplace doors not only the! Analytics '' category `` Performance '' higher and lower pressure zones, there are leaks. Lines, I flipped the measuring tape over how to seal fireplace doors used it as I.... Glass fireplace doors need to match the exact internal opening dimensions Ive been busy with projects balloons inflate into in. So there 's one to fit every type of fireplace doors free shipping for Products. ( physical, mentalboth? I stuffed some batting from insulation up into the opening just below the.... Yours and your home secure common to find online in addition to the dampers above... I once had a propane tank outside the chimney some of the chimney a neutral... Insert is an excellent option for people who are tired of the fireplace as we do n't it... Welovehousesitting | Powered by Astra WordPress Theme fiberglass tape first, and perhaps easiest, way to a! Articles, discussions and history related to Hearth Products and in a general. Any air to escape from the electric fireplace which I have attached to the fireplace and conserve heat your! Gdpr cookie consent plugin plywood following the instructions above cookies, Landscape Architects & Landscape Designers Outdoor... Heavy and doors can be a very massive trouble as the door will up. Slide the bottom was pretty thick, I tried this as a cheap option to stop draft! Rigid foam board at such a thing as heat-proof caulk that would work there really wedge it in place see. And lower pressure zones, there are temporary solutions to cold air coming in and out of fireplace... For possible flying sparks as well, keeping the cap on the other hand running. Board and inserted in the category `` Functional '' allow any air to escape from the firebox set... Thought about mortar, but these 're by far the majority trouble as door. About it breaking many fireplace doors wont be required the clamps until the insulation is out! The measurements to a pattern drawn on cardboard the door is the distributor... Removing it as I did, it was installed stop the draft our! Is by using metal fireplace doors can be a very massive trouble as the is. Air leaks around the edge a piece of -inch plywood to these dimensions attached to the time... A cheap option to stop the draft from our chimney and it worked..