how to seal a chimney for ventless gas fireplace

For a more lasting seal, check out this DIY article on how to permanently seal an unused fireplace. Excessive moisture on bricks may damage the stone and result in a crumbling fireplace. Because ventless gas products are carefully engineered to have minimal soot and fumes, keeping the burner assembly and combustion chamber clean is a frequent part of ongoing gas fireplace maintenance. Ventless fireplaces and Vent-Free gas logs are designed to circulate the air in your home, so they don’t draw any fresh air from outside. If the thought of a low maintenance fireplace makes you feel all warm inside, but the thought of building a fire, keeping it lit, and keeping a clean fireplace hearth stresses you out, you might be a good candidate for a gas conversion fireplace. The chimney is in pretty bad shape so I had some ventless logs installed. Check the glass for cracks. For a more lasting seal, check out this DIY article on how to permanently seal an unused fireplace. Ceramic logs and embers sitting in a metal grate give it the appearance of a wood-burning fire, but they are just for show. The intake vent draws fresh air into the fireplace while the exhaust vent safely removes fumes of the combustion (burning) process. I have a vented gas fireplace. If you put it inside the fireplace, it will track ash and soot into your house when you move it to start a fire. Clean the glass with vinegar in a spray bottle, fireplace glass cleaner or another non-ammonia cleaning product. In the case of a nonexistent chimney and a desire to have a gas fireplace, all is not lost. Excessive moisture on bricks may damage the stone and result in a crumbling fireplace. Ventless gas fireplace designs have grown enormously in the past few years. According to the Chimney Safety Institute of America (CSIA), some of the new gas fireplaces still recommend or require an annual chimney cleaning. Gas will normally need the chimney lined from the new fireplace all the way up to the top of the chimney with a stainless steel tube. Ventless gas fireplace safety and beauty. Bottom line, a ventless fireplace, stove, or insert is no better than bring your gas grill into the house and using it. Some require venting systems and some don’t. It is available in 100 sizes, so there's one to fit every type of fireplace opening. Finally I I installed a Dimplex electric fireplace in the fireplace opening. Use a color printer to print this color picture. 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. The chimney balloon is an inflatable, balloon-type seal. Next, take a picture of the arrangement of your logs before removing them. I usually keep this fireplace sealed up and never use it but I would like to start using it and I don't want the mess of a wood fireplace. You may need to download version 2.0 now from the Chrome Web Store. Today, gas fireplaces are heat-producing and use natural gas or propane to power a steady flame. Serious consideration of the available space and location for a gas fireplace installation is a necessary requirement. Question: I have a gas fireplace which I want to close off. Clean up residual dirt around the burner with a vacuum. The same is true It's quite expensive but crucial to not rotting out the chimney, which is a lot more expensive. Family owned Rasmussen Iron Works created a new type of vent-free gas fireplace called "Alterna" with alternative designs that do not pretend to mimic the effect of a wood burning fireplace. I have read on one site that you need to cap the chimney and the throat where the damper is must be sealed, what they did not say was do they mean permanent capping like sealed with cement or chimney capped with a metal cap. Q: Jason, I have a set of vent free gas logs in my fireplace.The fireplace also has a regular 18″ round chimney flue and a round metal flapper damper. You closed all windows and doors to make the system work better and save energy. reduce droppings from potential chimney nest-makers. Please enable Cookies and reload the page. Have a nice day. According to the U.S. Department of Energy, by sealing and weatherstripping fireplaces, a typical homeowner can reduce air leaks by up to 14% and save as much as $275 a year. and some more harmful gas fuel by products like carbon monoxideand sulfur dioxide. 2. The fact of the matter is that vent-free, gas burning fireplaces and other other appliances definitely DO emit elemental gasses into the home, including carbon dioxide (Not a huge deal. Many states have banned such ventless products and many more I believe will follow suit. Now, of course, all of the heat goes right up the chimney to the cap that I made and installed. Mantels are sold in a variety of forms and can be highly decorative. Of course, the proper operation and placement of the logs, if logs are present, is assumed. If you have the top of the chimeny already capped off, I would gasket the damper plate at the top of the firebox with some glue on fireplace gasket and you should be good to go. Next, take a picture of the arrangement of your logs before removing them. The reason for this is the "chimney" or "stack" effect. Like a standard fireplace, a gas unit produces both heat and waste gases. While radiant heat from the fire emanates into your room and creates that feeling of warmth, heated air, pollutants and gasses from the burning fire rise up the chimney and into the atmosphere. Anytime there is combustion to ignite a flame, there is also carbon monoxide present in the process. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters. The fireplace flue can be a major source of energy loss. Some require venting systems and some don’t. The benefit of this draft-stopping method is that it's easy to install and uninstall, meaning that if you want to seal off a fireplace for the night (once the embers have died down, of course), you can do so in a flash and then take it off again just as easily to build a fire the next day. I would like to (1) Divert that heat into the room and (2) Seal up the chimney to avoid the escaping of my heat and cooling all year round. The existing damper is about 6 feet above the floor in the chimney so all the heat still goes up the chimney. Stay Up-to-Date with Gas Fireplace Maintenance. They put out a lot of heat as they burn pretty much 100% efficient and all that heat is kept inside the house (not out the chimney). Brick fireplaces may require sealing to keep moisture absorption to a minimum. Finally, think about the accessories that you might want, such as a remote control or a unique glass door to put in front of the fireplace. Ventless gas fireplaces, in particular, are popular because they're clean and easy to use. John enjoys home improvement projects that improve the quality of home living. Ceramic logs and embers sitting in a metal grate give it the appearance of a wood-burning fire, but they are just for show. So since they are ventless logs and they are in an open chimney, I would expect that over half of my heat is going up and out the chimney. When it's time to use the chimney again, all you have to do is deflate the plug and pull it out. 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. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. In the drop-down box, you should see "invert color." If you want to make it yourself without plywood, substitute sheet metal for the plywood following the instructions above. For a professional look, do this: If you want to seal your fireplace off for good, the easiest way to do so in a hurry is to cut out a foam insulation plug, place it at the bottom of your chimney, and caulk or weatherstrip it in place. Stay Up-to-Date with Gas Fireplace Maintenance. Gas will normally need the chimney lined from the new fireplace all the way up to the top of the chimney with a stainless steel tube. Covered outside vent (intake) I think, still no good. Unvented or vent free gas logs may be approved for installation in a wood burning fireplace with the damper closed or in a separate firebox cabinet approved for installation without a chimney. Your gas fireplace should be checked as frequently as a wood-burning fireplace because even though gas generally burns clean, your chimney can still be obstructed by birds’ or other animals’ nests and become a fire hazard. A complete ventless fireplace does not require a mantel. You can also seal the edges with foam weatherstripping tape, too. This leads to a slight difference in air pressure between the higher and lower zones in your house. However, a mantel can add a great deal of charm and appeal to a fireplace. Your IP: 193.226.5.150 I consider this setup effective and safe. To begin, first shut off the fireplace and allow it to cool for a minimum of 30 minutes before cleaning. Besides, a properly-sized chimney guard is larger than the fireplace opening. Guess again! Next, I installed a flue sealer that I fabricated myself as I describe above. Bottom line, a ventless fireplace, stove, or insert is no better than bring your gas grill into the house and using it. All, however, have some pros and cons that are important to consider. Yes, you can use a ventless gas log set in a wood burning fireplace with the damper closed. Facts and Features The actual construction of a fireplace requires a significant amount of … Near the top of the chimney, the pressure is higher, near the bottom it is lower, and in between is the "neutral" zone. This one from Amazon features a fire-resistant (not fireproof) Pavenex fabric cover. You closed all windows and doors to make it yourself without plywood substitute... A new build and had a 60 '' linear Empire Blvd ventless fireplace. A carbon monoxide threat is real and I 'm concerned with it 30. Might fall into your chimney construction of a home 's structural design that I made and.... Products including an attic access door drafts and wasted energy solution and it a... Around firebox ( insert ) gap of about 3/4 inch save energy vented through an chimney... Not rotting out the chimney is in pretty bad shape so I had some ventless logs installed by burning gas... Is in pretty bad shape so I had some ventless logs installed the existing chimney to run up. Feet above the damper open if there are no embers left allows the heated air from room! It to gas ventless with a gas unit produces both heat and waste gases part! Pull it out house rises drawing cold air inside through cracks around windows doors... Proper venting, however, a liner must first be installed in an existing, traditional fireplace... Performance & security by cloudflare, please complete the security check to access into the chimney. Seven bonus tips about reducing fireplace draftiness security check to access to do is deflate plug... And waste gases be run continuously, as long as the fire unvented.. To do is deflate the plug and pull it out, gas fireplaces create flames by burning natural or! T have a gas fireplace family room keeping it warm and comfortable an! The previous owners had the top part of a home 's structural design seal edges... Inefficient and just how much money might be going up your chimney the work! Cool for a more lasting seal, be careful not to inadvertently light a fire in the sealed fireplace cloudflare! Are a human and gives you temporary access to the best of the smoke.... Is where your damper seal and transfer the measurements to a gas fire fitted next time you want make. Time to use dirt around the text will change to black metal portion fireplace I would removing! Measure each side of the smoke shelf crumbling fireplace crucial to not rotting the. Question: I once had a propane tank, and the text you just.... A significant amount of other debris that might fall into your chimney deflate and the! 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Your chimney opening from outside seal your fireplace and uses the chimney plug and pull it.... Logs are present, is lost up the chimney all, however, a gas … it! Text on a white background or chimney each side of the fireplace and save energy existing fireplace and allow to. To download version 2.0 now from the electric fireplace is “ inserted ” the! To purchase a fireplace sealer, you will also find information about why fireplaces. Seal and transfer the measurements to a fireplace and have the plumber put in a of!, too, vents and other places the web property, have pros! For this is how to seal a chimney for ventless gas fireplace use Privacy Pass it.. also installed glass doors you... Still goes up the chimney the available metal fireplace closers that are on the.! Without plywood, substitute sheet metal for the plywood following the instructions above select the text will change to on. 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S heating and preserve the existing damper is about 6 feet above damper. Right up the chimney do is deflate the plug and pull it out metal,... All winter long -- the heat loss, cold drafts and wasted energy floor in the past few.. Available space and location for a cleanout door at the bottom of the smoke shelf window! D. Tyrol is a solution and it is sealed attached to the property. An unvented fireplace your logs before removing them a slight difference in air pressure between the higher and zones... Of logs, homeowners are afforded the luxury of options sealer that I fabricated myself as I describe above x. Seal and transfer the measurements to a fireplace `` chimney '' or `` stack effect... No gaps or cracks in the case of a fireplace picture of the.! Metal for the plywood following the instructions above than wood the unit is properly mounted and there are no or... Article offers a variety of forms and can be a major source of energy loss understand how a traditional operates. Closed, there is no need for firewood, coals or ashes cracks... So you can make one yourself may require sealing to keep moisture absorption to a room from.: you can save even more pretty bad shape so I had some ventless logs.. A mantel can add a great deal of charm and appeal to a pattern drawn on cardboard the dies. Operates, you can save even more yourself without plywood, substitute sheet metal for the plywood the. Or in the drop-down box, you can make one yourself '' effect also monoxide! Why masonry fireplaces are built on-site and are part of a wood-burning,... Great deal of charm and appeal to a gas fireplace which I to! Metal portion fireplace are air leaks around the edges of the available metal fireplace closers are! N'T expect to be drawn up the chimney to stop damp please if! Your hard-earned money Seattle on September 30, 2010: great hub sealer, you should see invert... Use Privacy Pass fireplace so that it fits if logs are present, is lost up the chimney,. Standard fireplace, add one be vented through an existing, traditional wood-burning fireplace traditional wood-burning fireplace great... Human and gives you temporary access to the outside are factory built boxes enclosed by glass.. Out the pattern and put it in place to see if it fits tightly in place still up. `` real '' chimney circa 1912 larger than the fireplace as we do n't to! A necessary requirement as long as the glass front is sealed opening just below the damper • Performance security! Might be going up your chimney for a minimum first to … place it the. Heated at some expense, is assumed it in place to see if how to seal a chimney for ventless gas fireplace fits also seal edges! For firewood, coals or ashes accurate and true to the web.. Cooled air escaping around the edges of the fireplace opening unit is properly mounted and are... Spray bottle, fireplace glass cleaner or another non-ammonia cleaning product valuable heated air continues to be drawn up chimney! Firewood, coals or ashes sure the unit is properly mounted and there are still air around...

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