FireRock's adhesive mortar makes it easy to create a sturdy, masonry fireplace from scratch. Made from a low sand polymer modified with heat-resistant additives, this mortar is designed to work like glue, rather than a joint provider. It creates a long-lasting bond that locks out water when properly applied and cures quickly in 24-48 hours.

Please note that you will receive 1 bag of FireRock mortar (25 lbs.) with your purchase.