Heat Stop Refractory Mortar Products

Ideal for Firebrick and Clay Flue Installation, Repairs and Restoration

We have been actively involved for decades with leading industry organizations advocating building codes for quality, fire-safe construction of masonry fireplaces and chimneys. If you have any questions about the uses and requirements of refractory mortar, we can provide the expertise and support needed to ensure code compliance and deliver the most appropriate fire-safe, quality products possible.

All Heat Stop products are tested very extensively. Heat Stop® resists temperatures well above 2000°F, assuring code compliance and a quality installation. 

Heat Stop® products can be used anywhere refractory mortar is required in:

Smoke Chambers
Bread Ovens
Utility Masonry Wall Pass Through

NOTE: EXCLUSION OF WARRANTY: There are no express or implied warranties made with respect to these products. The implied warranties of merchantability and of fitness for any particular use are excluded. Liability for personal injury, property damage and for incidental or consequential damage or loss is excluded at all times. Exclusion of warranties may be limited or prohibited in some states.