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Heatfab Black

5" & 6" Heatfab Insulated Saf-T Thimble

Item: COP21480
  • Needs a 16" wide by 17" high opening for installation
  • Instructions are included

5" & 6" Heatfab Insulated Saf-T Thimble

This UL Listed Saf-T Thimble allows single-wall stove pipe to pass through a combustible wall. It attaches to the chimney therefore avoiding a dangerous breach should the chimney settle and start to pull away from the house. Features a solid-pack insulation that telescopes inward toward the wall, allowing for easy adjustment for wall thicknesses of 4" - 8 1/2".

WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to

Five-Year Warranty