5 Best Of How To Attach Wood To A Cinder Block Wall Best Resolution Image. Use a ratchet and socket to turn the screw and washer down tight against the object and the cinder block wall. Far better to use pressure treated 2 X 2s on the wall then attach the plywood to the 2 X 2s.
Drill holes through the board and into the cinder blocks at 1-foot intervals. Far better to use pressure treated 2 X 2s on the wall then attach the plywood to the 2 X 2s. Ordinary soap such as dishwashing soap is sufficient.
The adhesive will not stick to the CMU block if layer of dust or debris is on the surface.
Use a ratchet and socket to turn the screw and washer down tight against the object and the cinder block wall. Take down the board and insert masonry wall anchors into the. The glue will adhere best if the cinder blocks are. Clean the CMU block with a stiff scrub brush.