Roof Coating Over Plywood

It s also functions as a first priming coat when using lrb liquid rubber base and tav thickening activator.

Roof coating over plywood.

The joint between sheets should be positioned directly over a roof truss and securely fastened to prevent warping. Ames contouring roof fabric. Apply 2 gallons per 100 sq. Finish with one to two coats of.

Coat the plywood surface with an exterior water based pigment stain. Apply over pre existing elastomeric roof coatings metal roofs built up roofing mineral cap sheet and weathered single ply membranes epdm hypalon and tpo cpa. Liquid rubber coatings has been used directly over plywood to make a finished roof in situations where expediency and minimal cost were the primary considerations. Permaflex lrb liquid rubber base and tav thickening activator permaflex is the top coat that seals metal plywood concrete and other types of roofing surfaces.

Roy gingrich of ellicott city has a 40 year old house with an asphalt shingle roof surface. Re coat existing sprayed in place polyurethane foam concrete wood and many other coatings. These tints are light and almost undetectable. Use the liquid rubber deck coating under the textile to stick it to all seams.

Ideal for use on flat and low sloped roofs. Use a pump up garden sprayer to apply the stain and follow the container directions for drying times. Elasto barrier and embed contouring roof fabric into wet coating. You can see how i do that in the video above.

Although this procedure results in a weaker roof structure water tightness can be achieved if the application is performed carefully. Can be used on concrete planks plywood fiberglass new and previously coated surfaces. Can new plywood be installed on a 40 year old roof without removing the old. Once the coating under the geo textile mostly dries you can apply a coat over the geo textile.

This coating can be used on sundecks porches patios roof decks stairs landings boat decks tennis courts railings basement floors and walkways. A water based elastomeric coating engineered for horizontal surfaces. The stain works by slightly tinting the plywood surface thus keeping out harmful uv ray damage.