Apply an acetone based primer directly to the foam.
Painting foam insulation.
Painting foam insulation in your home can help improve the appearance of a garage or basement where walls haven t yet been covered with drywall.
Only water based acrylic or latex paint should be.
When painting foam insulation it is best to wait about 24 hours after it has been installed before painting it.
There are a few different reasons to paint on stiff foam insulation sheets.
Foam insulation takes paint well as evidenced by its many uses in decor costuming and crafts.
This will give any dust that was kicked up during the installation process a chance to settle.
Here are some additional pointers for painting foam insulation.
The foam expands as it cures so don t try to fill the entire opening with one bead.
Unfinished basement walls can be painted as a temporary solution before applying wallboard.
Foam finish fills in the cracks of styrofoam and provides a solid base for you to paint over.
It is an inexpensive material and could be purchased in larger sheets.
Closed cell foam can be painted without sealing.
You must seal open celled foam before painting it.
Closed cell foam is non porous and is considerably stronger.
Painting over spray foam insulation is not a straightforward undertaking.
Simply attach the applicator and pull the trigger on the can.
Once it dries use a serrated knife to trim off the excess.
We recommend using spray paint rather than trying to use a brush or a roller as these two methods will take longer.
Foam insulation sheets can also be used for inexpensive home decorations costumes and family crafts.
Thoroughly clean the brush immediately afterward.
Individual spray foam cans come with a straw like applicator.
Finish by sanding and painting the foam.
Apply the sealant using a foam brush or regular paint brush and then let it dry completely before painting the styrofoam.
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.
The paint will both seal the foam and create a more attractive temporary surface.
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.
Follow the instructions on the specific sealant to learn about drying times and whether it needs additional coats.