OK Builders Supplies

OK Builders Supplies Ltd. manufactures masonry products to meet or exceed ULC Standards. We subject our manufacturing plants to periodic testing of product, including overall dimensions of blocks, minimum shell and web thickness, design and curing methods. Further to this, tests for compressive strength, chemical composition of fine and coarse aggregates and cement to aggregate proportions are submitted for testing on a regular basis. OK Builders Supplies Ltd. has subscribed to the Underwriter's Laboratories of Canada, service for Masonry Products. Subsequently a range of product has been listed by ULC.