Tremco PUMA BC R is a UV stable, roller-grade base coat material designed to have tenacious adhesion to Tremco PUMA Primer and provide quick turn-around time with cure rates at less than an hour even in the coldest of temperatures. The material will accommodate movement and bridge cracks of up to 1/16" (1.5mm). Tremco PUMA BC R installed over Tremco PUMA Primer can be used as a waterproofing membrane system at terraces, plaza decks, planters, ramps, vertical walls and as a tie-in material directly to hot rubberized asphalt or in flashing applications. Tremco PUMA BC R requires the use of Tremco PUMA Initiator for cure. Applicable Standards: ASTM C957, CSA S413, UL Classified, Miami-Dade County Approved, U.S. Green Building Council Member