Ressi BRC 7000 Ressi BRC 7000 is a ready to use premixed bonding rush coat to be applied on smooth concrete walls and ceilings. It acts as a key between the smooth concrete surface allowing a variety of Plasters and Render to be bonded much better with the surface. Ressi BRC 7000 is an ideal Rush coat to be used in conjunction with a variety of plasters and renders of the Ressichem range and traditional sand and cement mortars as well. Ressi BRC 7000 can be applied traditionally by hand using a Tyrolean or brush splatter. Ressi BRC 7000 is an ideal product which avoids the hacking process of the concrete and providing a solid key for the subsequent plaster to be done over the surface.