For exterior use on all masonry including stone, cement render, brick, concrete etc. Not suitable for areas which are permanently wet. Before application treat any algae with Lakeland Long Life Instant Algicide and allow to stand for 4 days. For soft and crumbling substances pre-treat with Lakeland Stabilizer.
Best results usually achieved with 2 coats. Coverage is 9m²/l per coat. White sample pot available.