HeatShield PriorFire Formula 51 Smoke Chamber Restoration System

HeatShield Formula 51 is an insulating, high-temperature refractory mortar, developed specifically for parging smoke chamber walls. When properly applied, it will restore the integrity of your fireplace. This product will insulate, seal gaps, and smooth the smoke chamber walls as required by both NFPA and IRC codes.

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 www.P65Warnings.ca.gov.