The slate blocks on this house aren't really slate or blocks, but 5/8"-thick tiles made of high density concrete. Each tile has built-in galvanized hangers which are screwed into a wooden substrate (3/8" minimum).The urethane-based caulk used on joints is topcoated with sand to mimic the look of mortar.
The product is intended for new or existing buildings.
Supplier: Stonetile





