Roofing Over Wet Felt Paper

This tar paper is rolled on a deck like paper and serves as an underlayment layer.

Roofing over wet felt paper.

Roof replacement is expensive. Traditional roofing felt also called tar paper or underlayment is felt saturated with bitumen also called asphalt. Roofing felt is made of compressed polyester or fiberglass fibers. Is it ok to shingle over wet felt.

Sometimes called roofing felt underlayment roofing tar paper or roll roofing this is a layer of protection installed between the roof deck and the roofing shingles. Bitumen or asphalt is distilled from petroleum and is what makes roofing felt waterproof. The felt as you know is designed as a last stand against water intrusion on to the roof sheathing and into the home. When roof felt gets wet.

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. The paper has dew in the morning so ive been wiping it down with towels or old shirts and then waiting until it dries completely. 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. How bad is it to shingle over wet tar paper.

Roofing felt or tar paper can be left out in the weather for weeks shedding rain water while the roof is in progress of being completed. The felt is actually what keeps your roof dry. The only problem is that the house has trees on the east side so its like 9 o clock until i can shingle and even longer until the west facing side gets sun and dries. The base is made from either natural materials such as wood cellulose or synthetic materials such as polyester.

The shingles are in place to protect the felt. The felt can get wet. Felt is compressed fibers of wool. 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.

Materials used in roofing felt. A protective water repellent coating such as asphalt is then applied.