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