Click here to order a sample Ibstock Brick Chailey Stock is red multi Sandfaced stock brick that is highly durable with a rating of F2 and can be used in most masonry situations. Chailey Stock brick is made from clay which makes the brick solid and long-lasting. Chailey brick has a high thermal mass and low conductivity and when incorporated into a building it gives it acoustic insulation. Clay bricks have a long service life, are reusable after use, and are highly durable and strong for many builds. Key Features Dimensions H x L x W: 65mm x 215mm x 102.5mm High quality facing brick Contribute to thermal mass Pack size of 370 Fire-resistant Weather-resistant