Paint Osb Flooring

A good exterior paint can actually add to your osb s water resistance as well as add a splash of color to your project.

Paint osb flooring. The paint will not help glue the osb together. It takes a while to dry between coats. It is cheaper than plywood and with no internal gaps more rigid. We used varathane floor finish to protect the floors.

The extra cost for oil paint is a small price to pay for security but then again so is a little more cost for plywood. Unfortunately after a year or two they really look it. A block filler primer will fill in the gaps between strands of wood thereby giving it a smoother look. Older osb will be especially porous requiring several coats of paint plus primer.

Paint does not take well to osb. They are nearly odor free and do not contribute to indoor air pollution. If your osb panels are used indoors an acrylic latex primer will be an ideal base coat because it s so easy to work with. Manufacturers of osb often cover it with a water resistant film and add borate compounds to the wood making it toxic to insects like termites and wood boring beetles.

Tony goddard sep 26 2019. The osb will soak it up pretty good especially the first coat. Osb subfloor is mostly serving as a base under the finish floor hardwood engineered wood vinyl tile etc and even below the underlayment in some cases. Oriented strand board consists of several layers of wood particles that are bound by an adhesive and compressed tightly together into a 4 by 8 foot panel.

Plenty of osb outbuildings out there still surviving with nothing but a coat of latex protecting them. Using a painters pad with a long handle extension we applied three very thick coats. Osb s open strands readily absorb paint requiring two coats at a minimum but more likely three coats. You might want to call a osb manufacturer for their recommendation but it seems i recall the osb manufactures don t recommend painting osb i think it s just a legal disclaimer thing.

If you intend to paint your final project at all make sure it is added before any waterproofing so the sealer can also protect your top coat. Particularly old osb that is beginning to fall apart cannot be painted. I mean very thick coats like puddles almost. Zinsser are good paints i don t think you will have massive problems from osb it contains a lot of phenolic resin glue which tends to seal it quite well compared to raw wood.

Painted osbpainted boardspainted floorsgarage paintdiy garageman cave toolspaint particle boardosb boardman cave garage. Latex primers are fast drying so they can be painted over in as little as an hour.