How To Waterproof A Plywood Roof

Roll excess elasto barrier over top of the contouring roof fabric and allow to dry.

How to waterproof a plywood roof.

Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished system step 2. Many types of waterproofing are available to protect plywood. Apply sanding sealer in even brush strokes to coat the surface of the wood using a clean paintbrush. The most common type sold in home improvement stores is the paint on or spray on type of waterproofing.

Clean off the dust then apply the primer to the entire surface with a large paint brush. The key to a smooth finish is to apply the coat evenly. Elasto barrier and embed contouring roof fabric into wet coating. Apply the waterproofing according to the directions on the original container.

If the outside of the plywood panel is decorative wipe the plywood down with a damp cloth and sand it lightly with 100 to 200 grit sandpaper first to smooth the surface of the plywood once the panel dries. Once the primer dries apply the geo textile on all edges and seams on the plywood deck roof or balcony. Apply 2 gallons per 100 sq. Use the liquid rubber deck coating under the textile to stick it to all seams.

It s also functions as a first priming coat when using lrb liquid rubber base and tav thickening activator. These typically are liquid. Allow the sanding sealer to dry as per the manufacturer s instructions.