Scrub the bottom of the wall with a scrub brush.
How to glue baseboard to concrete walls.
Construction adhesive and something to put a bit of pressure on the base while the adhesive tacks up enough.
Spray the base of the concrete wall with an all purpose cleaner.
Or adhesive and a few tapcons.
Now apply glue then use nails through the base and into the dowels you pounded in.
Place the baseboard molding that you want to use in the basement for at least two days.
How to install baseboard molding to concrete walls.
If the walls meet at an outside.
Usually you will find this glue in diy stores at the flooring area.
You can lay the adhesive as drops every 8 or as beads.
Measure each wall in the room and note the measurements.
Cut your piece mark the wall behind the base and roto hammer 3 8 holes about every 4 6 ft.
Counterbore the tapcons in a 1 2 hole and then plug or bondo the whole.
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.
How to glue baseboard trim to a concrete wall step 1.
Measure the walls where the molding will be installed.
You can apply the adhesive to the back of the baseboard.
Lay the base on the floor and mark the hole locations on the base.