PROGRP Topcoat by Cromar is a speciality topcoat that is part of the PROGRP Roofing System. Brush or roller applied in 1-2 coats, it is cold applied and full bonds to the roof membrane to form a complete system, and giving a durable and aesthetic finish. The PROGRP system is suitable for virtually all roof types, and the perfect solution to problems often associated with leaking bitumen roofs.