Buildproof-CRF is a two component cementitious waterproofing coating for concrete & masonry surfaces. It is breathable, light bodied, waterproofing coating that penetrates into the pores and voids and becomes an integral part of the surface to which it is applied. It can stand with structural movements, UV Resistant, and standing water up to 1.5 bars; most suitable for waterproofing of Rooftop Areas of SPF system