Is It Ok For Roofing Felt To Get Wet

Shingles and roofing materials may not adhere properly to slick surfaces with high humidity.

Is it ok for roofing felt to get wet.

This moisture can lead to mold and mildew forming underneath the shingles. A wet installation can also cause a new roof to fail. Waterproof roofing felt gives the roof temporary protection from rain while you apply shingles tiles or other roof coverings. Serves as a moisture barrier of sorts and it provides a.

This shortens the effective life of the shingles and can adversely affect the roof sheathing. During clear 70 degree days we have more flexibility in our schedule. Any moisture trapped in the roof will flow down and out. The felt helps ensure water drains off the roof after a storm.

The felt can be damaged if exposed to moisture too long. Roofing felt applied over a wet roof deck or shingles applied over wet roofing felt traps a layer of moisture within the roof. Roof replacement is expensive. It is safe to walk on.

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. My concerns with wet or damp felt is that it causes the felt to wrinkle. The bubbled felt can cause a minor lump on the finished roof depending on what sort of roofing you re using. Felt will often get wet with a cedar shake roof since this type of roof is designed to soak up then shed water.

Roofing felt should ideally be dry when shingles are installed to avoid ripping but it s still possible to install when wet. That s why planning is so important during a roof installation. Keep the roof dry more or less until the shingles go on. Moisture should evaporate between the shingles and the felt and not cause any issues or damage any of the roofing products.

Roof felt gives your roof a better appearance and will help it last longer. If the sheathing or wood is wet during the time of installation it can trap moisture inside of your roof leading to mold rot or other severe problems. This can be unsightly and disturbing to the home owner. However when the rainy season is here we make sure to work quickly efficiently and safely.

So yes roofing underlayment can get wet. Doesn t matter at all. Roofing felt is not designed as a permanent exterior barrier against water. But not for long periods of time.

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. These wrinkles can hold up the shingles from laying flat till the moisture evaporates.