Sikalastic 525 RoofPro GCC is a cementitious waterproofing membrane designed for roof applications. It provides a flexible, crack‑bridging coating with a tensile strength of about 1.5 N/mm² and elongation around 300 % after seven days, and it resists UV exposure. The product has a density of roughly 1.32 kg/L and a solid content of about 63 % by mass, with VOC emissions below 10 g/L.
