How To Fix Delaminated Plywood: Step By Step Process Of Repairing Delaminated Plywood


Step By Step Process Of Repairing Delaminated Plywood

It is highly possible that your plywood may sometimes suffer from delamination if you have installed it in damp, humid & wet areas. Delamination occurs as soon as the adhesive of a plywood veneer fails and the top layer moves apart from the rest of the plywood. You can easily fix sound, dry plywood that get affected from delamination with the help of an epoxy resin. If the moisture damage expands or stretches to the fibers underneath the plywood's veneer, though, you can't save the plywood. Plywood having extensive moisture damage must be cut out before replacing with sound plywood.

Thing's You Will Need

  • Utility Knife & Coarse-Grit Sandpaper
  • Brush, Painter's Tape & Epoxy Resin
  • Trowel, Container & Graduated Syringe
  • Wood Screws & Noncorrosive Galvanized Staples
  • Staple Gun, Plastic Sheeting, Plywood & Weight

Step By Step Process

  1. Cut The Delaminated Plywood Veneer: First of all, trim the delaminated plywood veneer face away with the help of a utility knife. Test the exposed plywood & if the plywood is dry and otherwise sound, proceed to the next step. If the fibers are swollen as well as warped, it is the sign of water damage, do not proceed with an epoxy fix. You will have to get rid of and replace the plywood panel.
  2. Sand Coarse-grit Sandpaper: using Sand the exposed section of plywood as well as the bottom of the removed piece of veneer gently, delicately or softly using coarse-grit sandpaper. Sand sufficiently to roughen the surface as well as remove any loose wood fibers and existing adhesive. Remove the sanding dust in order to make sure that the working area is clean and free of loose debris.
  3. Mix The Epoxy Hardener With The Epoxy Resin: Safeguard the adjacent surfaces from the epoxy by placing a wide strip of painter's tape on each & every side of the exposed area. Combine or put together the epoxy hardener with the epoxy resin in accordance with the manufacturer's instructions. Measure precisely, with the help of the graduated syringes provided with the epoxy. Mix sufficiently to cover the repair job. Stir the epoxy consistently or constantly for 90 seconds before proceeding to the next step.
  4. Apply Epoxy Resin To The Exposed Plywood: Put or spread a thin layer of epoxy resin to the exposed plywood with the help of a trowel. Make the layer, to a small degree, higher than the surrounding wood. The layer must not be thick enough to knock over onto the adjoining tape. Leave the epoxy to set for at least 5 to 10 minutes or the amount of time that is recommended on the label before placing objects on the surface of the epoxy resin.
  5. Replace The Laminate Surface: Replace the laminate surface before pressing it down to ensure contact. As you are pressing, make sure not to move the laminate sheet out of place. Place or fix noncorrosive wood screws at each corner of the repair. Fix the repairs smaller than 6 square inches using the noncorrosive galvanized staples.
  6. Weigh The Repair Down: First put down a sheet of plastic over the repair area. Then, place a sheet of plywood, trim at least 6 inches wider than the repair on all sides, over the plastic. Place bricks, concrete blocks or other items on top of the repair. Keep them in place for the duration of the cure time that is recommended for the epoxy resin.
  7. Lift The Weights: Finally, lift the weights and get rid of the masking tape after the cure time has elapsed. Sand down any epoxy resin residue with the help of a coarse sandpaper.
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