Masonry screws which require a 3 16 pilot hole.
How to attach wood trim to concrete block.
Attaching wood to cmu concrete masonry unit is possible using several procedures.
If you don t have a rotary hammer drill you can rent one and secure furring strips to the block wall with any number of masonry anchors available.
How to attach trim to cinder block walls.
Pre drill your strips and have someone hold.
Step 1 guide lines.
Continue drilling straight down through the board and into the concrete.
Them in place while you mark the sites to drill the masonry.
Depending upon the size of.
Determine how much stress the fastener needs to resist for the connection between the concrete block and the wood.
Additionally determine if you must make the connection removable or permanent.
The glue will adhere best if the cinder blocks are.
How to fasten a trim board to concrete.
Ordinary soap such as dishwashing soap is sufficient.
Step 3 fasten the trim board.
Mortar nails one way to attach wood to concrete is to use mortar nails.
Measure the walls and cut the trim to the appropriate size with a table saw.
Wash the walls with soap and water.
Mortar nails are the cheapest option for attaching wood to concrete but there is a trick to get these nails to work.
Making sure these are accurate will save.
For projects like yours i often use flathead.
Step 2 pilot holes.
To properly attach trim board you need to know where it ll go and that it s level.