Scrub the bottom of the wall with a scrub brush.
How to glue baseboard to concrete walls.
Lay the base on the floor and mark the hole locations on the base.
Usually you will find this glue in diy stores at the flooring area.
How to glue baseboard trim to a concrete wall step 1.
How to install baseboard molding to concrete walls.
If the walls meet at an outside.
Or adhesive and a few tapcons.
Now apply glue then use nails through the base and into the dowels you pounded in.
Cut all trim pieces to size with a circular saw jigsaw.
Measure the walls where the molding will be installed.
Spray the base of the concrete wall with an all purpose cleaner.
You can lay the adhesive as drops every 8 or as beads.
Counterbore the tapcons in a 1 2 hole and then plug or bondo the whole.
Split some dowels or close to that round shape out of pt and pound them into the holes.
This allows the molding to expand or contract as.
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.
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.