How to Fix a Delaminated Plywood Subfloor
A delaminated plywood subfloor can be the result of many years of exposure and constantly being walked upon. The plywood can get saturated with water and quickly deteriorate. Delaminated plywood refers to plywood that has a veneer facing or other type of coating. Once it begins to chip away and peel off, you can fix the damage before it goes any farther. Does this Spark an idea?
Things You'll Need
- Utility knife
- Chisel
- Masking tape
- Epoxy
- Trowel
- Plastic
- Concrete block
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Instructions
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Cut the part of the delaminated veneer off with a utility knife. Score the veneer multiple times, if necessary, with the knife and remove the piece by hand. Chisel off the glue that was installed under the delaminated piece of veneer and remove the adhesive by hand.
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2
Inspect the plywood to verify the top layer where the delaminated piece came off is dry. If the piece is wet all the way through, the entire plywood subfloor must be replaced. Apply masking tape around the edges of where the delaminated pieced was removed from to avoid spreading.
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3
Spread epoxy onto the delaminated area with a trowel. Cover the entire surface with a thin 1/8-inch layer. Wait for the material to partially set. Refer to the manufacturer's instructions for setting time and remove the masking tape.
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4
Set the portion of delaminated veneer that you cut off back in place. Position it exactly where was and staple it back in place. Insert a staple every 4 inches with a staple gun to secure it.
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Lay a sheet of plastic on top of the plywood. Set a concrete block on top of the area to help hold the delaminated veneer in place. Remove the block after a few days and inspect the plywood to verify it is secure.
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