Lock-Top Energy-Saving Dampers

Lock-Top Damper Lock-Top energy saving dampers provide another choice in top-sealing damper technology. The pop up lid assures that maximum flue size is maintained when damper is open and provides superior weather protection. The silicone rubber gasket seals very tightly to minimize the loss of hot or cool air through the chimney. Manufactured since the late 80’s, the Lock-Top energy saving damper is manufactured to the same stringent standards applied to all Gelco products and comes with the same, no-nonsense Lifetime Warranty.

Lock-Top Energy Saving Damper

Silicone Rubber Gasket

Damper seals with a rubber gasket, not metal to metal.

Benefits include:

  • tight seals
  • no heat or air conditioning getting lost up your chimney
  • downdraft elimination
  • rain leak elimination
  • pest entry prevention

9 Reasons to have a Lyemance Damper Installed

  1. Replaces leaky throat dampers
  2. Seals out moisture to extend chimney life
  3. Energy efficient - seals in warmth and energy
  4. Keeps animals out of chimneys
  5. Made of cast-aluminum and stainless steel
  6. Operates easily from inside the firebox
  7. Stops downdrafts
  8. Helps prevent odors
  9. Lifetime Warranty

Mounts on Top of Chimneys

This is the perfect location to create an airtight seal.

A cable drops down the flue and attaches to a handle. The handle is mounted in the firebox to be easily reached for convenient opening and closing.

Superior Construction

High quality materials that are:

  • made of cast-aluminum and stainless steel
  • precision fitted with our special silicone rubber gasket
  • Lifetime Warranty