Felt Paper On Roof Leaking Before Shingels

Our opinion is that on new asphalt shingle tile fiber cement slate and many wood roofs most roofing contractors apply an underlayment membrane of roofing felt tar paper or fiber reinforced roofing felt.

Felt paper on roof leaking before shingels. Felt is commonly sold in either 15 or 30 rolls measuring 36 inches wide. The rake edge of a roof is the outer edge that extends from the eaves or the bottom edges of the roof to the top of the ridge. A special underlayment may be recommended by the manufacturers of specific roofing product and hybrid products. It improves look and uniformity because your roof deck might not lie perfectly straight or flat a layer of roof paper gives an even uniform surface upon which you can install your shingles.

Roof replacement is expensive. This shortens the effective life of the shingles and can adversely affect the roof sheathing. Two rake edges form a gable or a triangular point on the roof. Commonly referred to as felt paper or tar paper common roofing felt is made of varying blends of cellulose natural plant fibers polyester bitumen or asphalt.

Roofing felt is a layer of tar paper. Generally speaking roofing felt is a felt paper that is soaked in asphalt and other water resistant compounds to produce a membrane. In time this may lead to rotting wood and roof leaks. This moisture can lead to mold and mildew forming underneath the shingles.

Asphalt saturated felt was the go to roofing underlayment until about 15 years ago. Of course it is a bit more technical than that but this is the basic idea behind how felt works. Roofing felt also known as tar paper serves as both an extra layer of protection between the shingles and the plywood and as a temporary moisture barrier until all the shingles are in place. If not installed properly you risk damaging the wood decking.

That s when synthetic products started gaining in popularity. What is roofing felt. The seller says these water stains occurred before the new roof was installed but the inspector believes the lack of felt is a serious roof defect.