Apply two or three coats of an acrylic paint to a foam craft using a stiff paintbrush.
Painting waterproof foam board.
For new construction use rigid boards to insulate slabs and the outside of foundation walls.
A wax sealant can then be applied to protect the.
To attach the insulation you can use screws with large washers a special adhesive made for adhering foam board insulation or for smaller pieces you can seal them in with caulk or spray foam.
Foam board insulation is easy to cut with a circular saw with a masonry blade or scored with a utility knife and snapped like you would drywall.
For a basement remodeling project consider insulating basement walls with foam board.
Tips for painting foam board.
Foam coat step 1 spread a thin layer of foam coating on the surface of the styrofoam with a paintbrush.
This helps you get the paint into the pores of the foam.
Make sure to wear a face mask while doing this since the particles can be inhaled.
When painting foam insulation it is important to remember to prime the surface to seal the foam.
Pour small amounts of paint onto the plate at first you can always add more if necessary.
Use a premade kit for this type of project.
If you have a choice use spray paint over brush applied paint.
Take the foam brush and dip it into the paint gathering a small amount on your brush.
Attach the tongue and groove insulation boards to the concrete wall with adhesive.
Allow the coat to dry for four hours.
Pour your paint onto a paper plate or scrap piece of paper to easily dip your brush.