This original London Brick sometimes known as a fletton has been used for over 130 years and is a tried and tested brick, it does not have a decorative face like many bricks but can still be used as a facing brick if required, main uses are more functional, below DPC, non visible walls, garden use, outbuildings etc. Compressive strength - 20 N/mm2 Durability - F1/S2 Manufacturing process - Pressed Water Absorption - 12% Smooth texture Occasionally there can be a lead time on bricks from the manufacturer. If this is the case, we will let you know as soon as possible