Three Layers Of Shingles On Roof

Having multiple layers of shingles is going to make your roof hotter because the heat gets trapped between the layers which could mean premature aging of the shingles.

Three layers of shingles on roof.

Layers of shingles on top of each other shorten the life of the roof due to the newest layer sitting on an uneven lower surfaces. Should be obvious from the street. If there are really three layers of shingles it probably is far from a hidden issue. Now you just have to decide whether to remove the existing roof shingles or recover the roof.

Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio. Unless the roof caves in. Bring the ridge edges together with a ridge capping layer. This is especially true if you ve overlayed your new shingles on top of warped shingles.

You ll need longer nails for this part as you re driving through more layers of shingles. Your three layer roof is definitely a potential structural concern and homeowners insurance companies might consider three layers of roof shingles. The best life will come from removing all the old layers down to roof boards or sheathing and then laying down the new roof on a well repaired flat surface. But contractors who spoke with angie s list say best practices call for stripping the roof down to the wood deck to inspect it before installing a new roof.