Roof Felt Rained On

Good news is that they did a section at a time so the osb was exposed to fairly light rain drizzle for about a half hour before peel and stick membrane was installed.

Roof felt rained on.

Is it ok to install a new roof while it s raining i m having a new roof installed over 20 year old oriented strand board sheathing. Certainly it would have been better to have covered the roof with a tarp or roofing felt before it rained. In high humidity materials may bulge or wrinkle causing ripples and bumps on the exterior surface of your roof. Installing a roof in the rain may void your warranty.

Normal delays and the rain you indicated will not affect the structural properties of the panels. If the felt. 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. Many of the inner components of your roof such as barriers osb boards and felt are also sensitive to water damage and should not be exposed to moisture.

Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe. Our osb is rated exposure 1 and that means that it will withstand normal delays in construction.