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 existing asphalt. Use a pump up garden sprayer to apply the stain and follow the container directions for drying times. Re coat existing sprayed in place polyurethane foam concrete wood and many other coatings. Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished.

Ideal for use on flat and low sloped roofs. These tints are light and almost undetectable. Once the coating under the geo textile mostly dries you can apply a coat over the geo textile. Roy gingrich of ellicott city has a 40 year old house with an asphalt shingle roof surface.

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. Once the primer dries apply the geo textile on all edges and seams on the plywood deck roof or balcony. Use the liquid rubber deck coating under the textile to stick it to all seams. Ames contouring roof fabric.

Can new plywood be installed on a 40 year old roof without removing the old. Coat the plywood surface with an exterior water based pigment stain. The joint between sheets should be positioned directly over a roof truss and securely fastened to prevent warping. Although this procedure results in a weaker roof structure water tightness can be achieved if the application is performed carefully.

A water based elastomeric coating engineered for horizontal surfaces. Finish with one to two coats of. 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. Apply 2 gallons per 100 sq.

You can see how i do that in the video above. This coating can be used on sundecks porches patios roof decks stairs landings boat decks tennis courts railings basement floors and walkways. The stain works by slightly tinting the plywood surface thus keeping out harmful uv ray damage.