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TherMix is a chimney insulating product used to fill the space between a replacement chimney liner and the existing masonry chimney. Ready-mix formula cures into a lightweight semi-hard mass that insulates the replacement liner and dissipates the intense heat that occurs in the event of a chimney fire.

To calculate the amount of TherMix needed, please refer to the PDF at this link:



Thermix (Box)

Thermix (Box)

TherMix is a lightweight masonry insulation that is mixed with water and poured between the liner and the chimney shell.…



Model: 1994

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