Maine Chimney Lining
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Stronger, Safer, Built to Last
SEAN NORRIS
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SHANE JOHNSON
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Restoring yesterday's chimneys to today's standards

See why most dampers perform poorly and cost you money.

locktop

Lock-Top mounted on the top of the chimney.
  • Traditional dampers are located in the “throat” of a fireplace. They are made of cast iron and are housed in a low-tech framework. Cast-iron plate and frame do not seal tightly, allowing energy dollars to escape.
  • 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!

The Lock-Top Energy-Saving Damper seals tightly to save you money

  • Lock-Top’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.
  • Lock-Top mounts on top of your chimney to keep out animals and rain.
  • Lock-Top easily operates from inside your firebox and seals tight every time you close it—eliminating any draft.

Installation: How it Works

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