Often asked: What Plywood Should I Use Under An Epoxy Floor?

Can you epoxy floor over plywood?

With careful preparation, you can successfully install an epoxy floor over a wood subfloor surface.

Can you epoxy over OSB board?

We completed this 1700sq/ft Artisanal Epoxy floor over a very uneven OSB subfloor. We are able to do so by adding screws to the OSB for added rigidity. We then flash all the seams with a mix of epoxy and a thixotropic filler to a peanut butter consistency.

How do you prepare plywood for epoxy?

Follow the steps below to prepare a wood subfloor surface correctly to install an epoxy floor.

  1. Remove all Furnishings from the Floor Area.
  2. Clean the Floor Thoroughly.
  3. Sand and Level the Floor Surface.
  4. Apply Wood Sealant.
  5. Apply Wood Primer.
  6. Fill in Fine Cracks and Hollows.
  7. Allow the Primer to Dry Thoroughly.

Can epoxy be used on wood subfloor?

Epoxy is a synthetic material that can go over many surfaces. However, epoxy needs to have a surface that is prepared and primed before epoxy can be applied. And for sure wood needs more care before the epoxy flooring can go on wood floors.

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How do you waterproof plywood with epoxy?

Make sure you have a smooth and clean surface first, then apply a first coat of diluted epoxy resin. In this adhesive layer, insert the fabric and then apply it. The surface can be smoothly smoothed with a brush. After drying, the epoxy resin can be sanded and of course painted.

What can I cover OSB with?

For OSB, we recommend that you use a solvent-based varnish. You can choose between high-gloss, matt and silky matt versions. Even special varnish for OSB boards is available. It’s important to apply it as thinly as possible.

Is OSB better than plywood?

Wood fiber is used more efficiently in osb. Osb is stronger than plywood in shear. Shear values, through its thickness, are about 2 times greater than plywood. This is one of the reasons osb is used for webs of wooden I-joists.

Can you waterproof OSB?

OSB is strong and water-resistant. Every single fiber or piece of wood in an OSB is saturated with a cocktail of resins designed to provide superior strength and waterproofing to the finished product. This type of board is an excellent material for use in waterproofing systems, be they roof, sub-floor or wall.

Should you sand between coats of epoxy?

Sanding will not only get out the imperfection but will also serve to provide some tooth between the first and second layers. It will look very scuffed in the short term but do not worry, once you pour the second coat over top, all of those sanding marks will disappear.

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How do you seal wood before epoxy?

Simply coat the wood with a thin layer of wood epoxy resin and allow to cure. This will provide an adequate seal before you add more epoxy resin for wood.

Can u put epoxy on wood?

Epoxy floor coatings can theoretically be applied to any surface. If you want to refinish a wood floor with epoxy coating, it’s probably not in great condition—so in practice, wood floors should not be epoxy coated. Chemical engineers and flooring experts design epoxy floor coatings to be used primarily with concrete.

Can you epoxy over cement board?

Concrte coatings expert, Bob Harris, guides you through the process of applying a self-leveling epoxy floor coating over cement board. Perdure E02 is used as an epoxy primer for this project. Use fiberglass mesh to join the seams, which help with the deflection of the later epoxy coats. ‘

Can you use plywood as flooring?

Plywood floors are suitable for any room where you’d otherwise install hardwood, though kitchens and bathrooms are less desirable since frequent water spills are likely. A 1½-in thick, 4-foot by 8-foot sheet of CDX plywood (the kind used in subflooring) sells for around $15.

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