Is It Ok If Roof Felt Gets Wet

The bubbled felt can cause a minor lump on the finished roof depending on what sort of roofing you re using.

Is it ok if roof felt gets wet.

This shortens the effective life of the shingles and can adversely affect the roof sheathing. However when the rainy season is here we make sure to work quickly efficiently and safely. During clear 70 degree days we have more flexibility in our schedule. Any moisture trapped in the roof will flow down and out.

The decking sheathing should have been tarped and work stopped as soon as it was evident enough rain was going to fall to wet the wood or water barrier felt. But not for long periods of time. Waterproof roofing felt gives the roof temporary protection from rain while you apply shingles tiles or other roof coverings. Doesn t matter at all.

Roof replacement is expensive. This moisture can lead to mold and mildew forming underneath the shingles. It is safe to walk on. The felt can be damaged if exposed to moisture too long.

Osb like all other wood will expand when exposed to moisture and i assume the contractor spaced the panels the required 1 8 along the 4 edges and installed h clips along the 8. That s why planning is so important during a roof installation. I ve tried covering the roof to protect from rain with plastic or. So yes roofing underlayment can get wet.

Roofing felt applied over a wet roof deck or shingles applied over wet roofing felt traps a layer of moisture within the roof. Certainly it would have been better to have covered the roof with a tarp or roofing felt before it rained. Having wet sheathing covered with tarpaper or membrane will trap the water in the sheathing very bad practice and contrary to industry standardss for roofing. Roofing felt that has gotten wet can be covered with shingles as long as it is allowed to dry out first the surface underneath did not get wet and it did not wrinkle bubble or rip.

The felt collects and then repels the water allowing the roof to breathe. Felt will often get wet with a cedar shake roof since this type of roof is designed to soak up then shed water.