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