Or adhesive and a few tapcons.
How to glue baseboard to concrete walls.
Split some dowels or close to that round shape out of pt and pound them into the holes.
Make sure you use a glue that is heavy duty and ideally dries out quickly so you don t have to apply pressure onto the baseboard trims for a long time.
Measure each wall in the room and note the measurements.
Lay the base on the floor and mark the hole locations on the base.
Construction adhesive and something to put a bit of pressure on the base while the adhesive tacks up enough.
Place the baseboard molding that you want to use in the basement for at least two days.
How to glue baseboard trim to a concrete wall step 1.
Cut all trim pieces to size with a circular saw jigsaw.
Counterbore the tapcons in a 1 2 hole and then plug or bondo the whole.
Usually you will find this glue in diy stores at the flooring area.
If the walls meet at an outside.
How to install baseboard molding to concrete walls.
Spray the base of the concrete wall with an all purpose cleaner.
Now apply glue then use nails through the base and into the dowels you pounded in.
This allows the molding to expand or contract as.
Measure the walls where the molding will be installed.
Cut your piece mark the wall behind the base and roto hammer 3 8 holes about every 4 6 ft.