Old Mill Brick Colonial Single Thin Brick Flats are made from the highest quality geniune kiln fired clay brick. Single Thin Brick is designed for quick and easy do-it-yourself installation. Simply apply adhesive to the back of each thin brick and apply to virtually any surface. Single Thin Brick are perfect for unique designs and custom spaces. Single Thin Brick can be used by themselves or in conjunction with Brickweb or Old Mill Brick panel systems.