Roof Boards Wet

Evidently the source of the dripping water was not a roof leak but condensation of interior moisture under the vapor impermeable tri flex underlayment.

Roof boards wet.

Plywood is original 49 years old. Trapped water will boil when the sun heats the roof and the shingles will then have small pits where the. Trapped moisture encourages corrosion of roofing fasteners and rusting of steel studs and wall ties which reduce wind uplift ratings. Wanted to add more cellulose but installer said it would make wet roof worse.

And when we slit the asphalt felt and pulled it back we found roof boards that were soaking wet. Inner plywood of roof wet. Rotted boards are the result of moisture reaching the wood. It is never a good idea to install a roof over wet plywood or any type of roof sheathing.

The osb and in fact any wood panels must be allowed to dry completely depending on how wet the panels are this could be a few days before any roofing material is applied to avoid trapping moisture under the roof material that could cause edge swell and buckling. To gain access to the roof use proper ladders or scaffolding which should also be dry to prevent slips. Wet insulation means trapped moisture that will slowly degrade the entire roofing system from the decking to the building itself. For safety reasons it is best only to work on the roof when all surfaces are dry.

Not wet but some areas slightly damp. Wear soft soled shoes and follow all common safety practices when working on the roof. Attic insulation combination of fiberglass covered by cellulose. It s a problem that demands immediate attention and there are no quick fixes.

Moisture trapped inside of insulation is a breeding ground for mold and bacteria. Rotten boards on your roof can lead to leaks and more rot.