Alcoa Home Exteriors MBLOCKR PW Split Recess J-Block Mounting Block
The split recessed J Block mounting block has a patented hinge that allows for ease of installation without removal of electrical receptacles and water faucets. Manufactured with ultraviolet stabilized color, minimizing the effects of exposure to the elements. Compatible with all siding profiles. Rich textured appearance. Surface dimensions: 5 1/4'' x 7''. Flange dimensions: 5 7/8'' x 7 1/2''. J Channel internal dimension: 3/4'' adjusts to 1 1/4''. Knockouts: Rectangle 2 1/4'' x 3 7/8''.