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