UltraScape prem-prime is a polymer modified cementitious slurry primer specifically formulated to provide exceptional bond between all types of stone surfaces and UltraScape ecobed / pro-bed HS / perma-bed bedding mortar. The product is suitable for application on driveways, patios, town centre pedestrian schemes, pathways and carriageways. UltraScape prem-prime can be used with natural stone, concrete flags, Porcelain tiles and clay pavers.