Why do most fireplace dampers leak?
Most fireplace dampers form a metal to metal seal which even when new allows air to leak through. Over time, as the metal plates warp due to the effects of heat and moisture, the seal worsens and more and more warm air escapes up the chimney even when the damper is closed. What makes a Lock-Top or Lyemance Damper a great energy-saving alternative to your original fireplace damper? These two great top sealing dampers both seal with a silicone rubber gasket. When you close our dampers warm air is sealed in and cold air is sealed out. This tight-sealing gasket means our dampers will reduce unwanted heat loss by 90%. And, unlike replacement throat dampers, the Lock-top and Lyemance Dampers have a lifetime warranty. Are there other energy advantages to replacing my old throat damper with a Lock-Top or Lyemance Top-Sealing Damper? Since the Lyemance Damper is made of cast aluminum it can never rust. Also, it not only keeps cold air out of your house, but since it is mounted on top of your ch
