Apply Dryshield to wall in a single coat employing a substantial tender brush. Be certain any holes and cracks are crammed with product and that all areas are coated evenly. A single 5 litre pack of Dryshield Product addresses approximately 25m2, dependent on the unevenness and porosity on the substrate. https://thesocialdelight.com/story3559399/indicators-on-bs-fixings-you-should-know