Roof Boards Wet

Not wet but some areas slightly damp.

Roof boards wet.

Moisture trapped inside of insulation is a breeding ground for mold and bacteria. Wet insulation means trapped moisture that will slowly degrade the entire roofing system from the decking to the building itself. 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. It s a problem that demands immediate attention and there are no quick fixes.

Wanted to add more cellulose but installer said it would make wet roof worse. Trapped water will boil when the sun heats the roof and the shingles will then have small pits where the. To gain access to the roof use proper ladders or scaffolding which should also be dry to prevent slips. Evidently the source of the dripping water was not a roof leak but condensation of interior moisture under the vapor impermeable tri flex underlayment.

Attic insulation combination of fiberglass covered by cellulose. Trapped moisture encourages corrosion of roofing fasteners and rusting of steel studs and wall ties which reduce wind uplift ratings. A wet roof deck is also a slippery deck. Rotten boards on your roof can lead to leaks and more rot.

Plywood is original 49 years old. 2 layers of shingles. For safety reasons it is best only to work on the roof when all surfaces are dry. It is never a good idea to install a roof over wet plywood or any type of roof sheathing.

The asphalt felt paper under the tri flex left in place during the most recent reroof was wet. Inner plywood of roof wet.