Builders Edge 3SMR68TW Mounting Block, Split, White, 11-1/2 in L, 9-1/16 in W, Fiber Cement White

SturdiMount fiber cement blocks are manufactured using cellular PVC. Their engineered water management system maintains integrity with its innovative pre-flashed, pre-assembled design. The 12 color-matched colors provide a clean finished look you can't get anywhere else. Our trim white can be left white or painted.