Extend your chimney liner by one foot and prevent smoke crossover by mounting our Deluxe Terra Cotta chimney cap directly to the top of your Boost-a-Cap!

It’s easy to install. First, install the Boost-a-Cap. Second, insert the liner through the stainless connection strap on the base of the Deluxe Chimney Liner Cap and tighten. Tightening the connection strap provides a strong and clean connection without the use of screws that can pierce the liner. Then, simply mount the Deluxe Chimney Liner Cap to the top of the Boost-a-Cap by tightening the retention screws to create a strong, tight and reliable fit.

The cap is connected by a hinge to the built-in top plate. The hinge allows for easy cleaning of your chimney liner system.

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  • Screen Height:  8″
  • Screen Mesh:  3/4″
  • Adjustable: Adjusts to fit 2-1/2″ flue deviation
  • Material: 316Ti Stainless Steel
  • Liner Type:  Flexible
  • Liner Diameter:   3″ –  4″ –  5″ –  5.5″ –  6″
  • Liner Connection Type:  Quick Connect
  • UL / ULC Certification:  UL 1777,  ULC-S640 (Canada)

Additional information

Liner Diameter:

3", 4", 5", 5.5", 6"