I think it is a good idea to place a small label on the fireplace noting that it is sealed. If you seal up more than one fireplace, you can save even more. Some are yellow flame or blue flame. Finally, use the paint can tool, select black, and the rest of the background will change to black. Only then can you install the fireplace and have the plumber put in a gas … Place it inside the fireplace. The Carbon Monoxide threat is real and I'm concerned with it. Hi. The fireplace flue can be a major source of energy loss. 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. Yes, you can use a ventless gas log set in a wood burning fireplace with the damper closed. 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. Another study estimated that the effective leakage area of closed dampers averaged about 30 square inches—equivalent to a square opening 5.5" x 5.5" in size allow continual flow of heated air to the outside. A fireplace surrounded by brick adds warmth and a cosy feeling to a room. How to Permanently Seal Your Fireplace. Most fireplace inserts can be run continuously, as long as the glass front is sealed. For your gas fireplace, keep an eye out for damp patches on the surrounding walls (interior or exterior), white stains on the outside brick of the chimney, crumbling bricks, cracked paint, separated and peeling wallpaper, stains near the chimney or on the ceiling above it, and eroding mortar joints. Clean the brick surface first to … 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. reduce droppings from potential chimney nest-makers. 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. Ventless gas fireplace safety and beauty. Installing ventless gas logs in a home without a fireplace includes purchasing a vent free firebox, building or buying a mantle and the gas logs with a burner, valve and logs. DIY Clean Ventless Gas Fireplace Logs. Hi. Yes, ventless gas logs heat more effectively than vented logs, because there’s no chimney flue for the heat to escape through. I have a "real" fireplace and "real" chimney circa 1912. Besides, a properly-sized chimney guard is larger than the fireplace opening. Step 2 – Purchase Your Flue Sealer or Flue Sealing Materials. If I understand correctly most vent free gas logs do not have a chimney since they are supposed to vent into the … 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. 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. 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. Installing wood stoves with existing fireplace chimneys: By installing batt insulation in the chimney and not using spray foam, it is easily disassembled if needed so you may be able to use the existing chimney for a wood stove or a gas or wood fireplace insert in the future if you so desire. Even with the fireplace damper closed, there are air leaks around the edges of the damper. Ventless gas fireplace designs have grown enormously in the past few years. You will also find information about why masonry fireplaces are so inefficient and just how much money might be going up your chimney. Around firebox (insert) gap of about 3/4 inch. Chimney guards belong outside of the fireplace itself. With a gas fireplace, there is no need for firewood, coals or ashes. I never thought of sealing off our fireplace but I'll look into it for this winter, how to permanently seal an unused fireplace. Gas fireplaces create flames by burning natural gas rather than wood. Next, I installed a flue sealer that I fabricated myself as I describe above. And it's fairly easy to uninstall. Your fireplace chimney works the same way. Fireplace inserts have a vent pipe that is placed inside the existing chimney to release exhaust. Use a color printer to print this color picture. When you understand how a traditional fireplace operates, you’ll get a better idea of how a ventless one works. The previous owners had the top part of the chimney stack removed. Hi. DIY Clean Ventless Gas Fireplace Logs. Check the glass for cracks. Even on the lowest setting, the wall surrounding the fireplace and the mantle get very hot to the touch within less than a minute. Anytime there is combustion to ignite a flame, … However, a mantel can add a great deal of charm and appeal to a fireplace. • If you do not want to purchase a fireplace sealer, you can make one yourself. … 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. The vent free fireplace can be used upstairs. A traditional vented gas fireplace (view example on Amazon), fueled by either natural gas or propane, has two vents that run to the exterior of the house. The one shown here is 12" x 12" (medium) and fits many chimney flues. Question: How do I close off an unused fireplace without using plywood? 1. I have an unused chimney / fireplace that has an electric 'coal effect' fire and wooden fireplace surround. I consider this setup effective and safe. The chimney is in pretty bad shape so I had some ventless logs installed. 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