Traditional dampers are located in the "throat" of a fireplace. They are made of cast-iron and are housed in a low-tech frame work. These cast-iron dampers do not seal well-they have a leaky, rough, metal-to-metal seal. Recent lab studies have shown that even a new throat damper can leak up to $200 of heating and cooling a year. Imagine how much energy an old, rusted out damper leaks! Lyemance's rubber gasket seals tightly like a storm door for your fireplace, and keeps heating and cooling dollars where they should be...in your home. Lyemance mounts on top of your chimney to keep out animals and rain. Lyemance easily operates from inside your firebox and seals tight everytime you close it-eliminating any draft. Size Fits Inside Flue Sizes 8" X 8" 6 1/2" X 6 1/2" to 8 1/2" X 8 1/2" 8" X 17" 5 3/4" X 14 1/4" to 8 1/4" X 16 1/2" 9" X 13" 6 1/4" X 11" to 8 1/8" X 12 1/8" 12" X 16" 9 1/4" X 12 3/4" to 12" X 15" 13" X 13" 10" X 10" to 12 1/2" X 12 1/2" 13" X 18" 10" X 15 1/2" to 12 1/2" X 17 1/2" 17" X 17" 15" X 15" to 17 1/2" X 17 1/2" A Lyemance Top-Sealing Damper will change all that. This well constructed, superbly engineered damper eliminates 90% of the winter heat and summer cooling loss that leaks past your current damper. It also eliminates downdrafts and keeps moisture and animals out of your chimney and home. Moisture in your chimney causes unwelcome odors and leads to deterioration of bricks and mortar. The Lyemance Top-Sealing Damper works year round to protect your chimney. That's why thousands are installed each year. Our silicone rubber gasket provides solid, tight-sealing protection Nothing seals like a rubber gasket. That's why we use rubber enhanced silicone for lifetime durability.
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