Roof Shingle Defects

This series covers roof framing roofing materials the attic and the conditions that affect the roofing materials and components including wind and hail.

Roof shingle defects. It keeps the shingles tight to the roof resistant to uplift from wind and the dangers of wind blown rain getting beneath them. The defect should appear on the exposed shingle surfaces or should show up as a roof leak. Symptoms that your shingles might be defective include. Sealing strips must be about 70 degree fahrenheit to properly seal.

Common asphalt shingle failure factors include improper storage and handling of the asphalt shingles before installation improper nailing improper flashing which pertains to any roofing material and defective asphalt shingle product material leading to thermal splitting cracking blistering staining and in some cases curling or cupping shingles. Asphalt shingle manufacturing defects sometimes problems occur during the manufacturing process that affect the way shingles look or perform. With single ply membranes we do a little more to hold things in place and if it s not done properly then we end up with tenting of the flashings and we end up damaging the membrane says pierce. Continue reading at how to report shingle failures or select a topic from the closely related articles below or see the complete article index.

Excessive blistering cracking and spotting significant curling pronounced bald spots algae if your shingles are meant to be algae resistant. Please note it is important to replace shingles you remove as failure to do so could result in damage to the roof or the interior. If the shingles fail at any point during that time span expect a check for a prorated amount. Wind and or hail damage from a storm are often isolated to just one side of a roof whereas uniform damage all over a roof could be a signal that the shingles are defective.

Laminated versions carry a lifetime warranty which means for as long as you own the house or for a maximum of 40 to 50 years. Shingles have a sealer strip on the lower edge designed to stick to the shingle below. We require shingle samples from the affected area of the roof to identify that the product was produced by owens corning and to be able to perform any testing to determine if there is a manufacturing defect. Gaf timberline shingles which are marketed as 30 and 40 year shingles are asphalt shingles that use a fiberglass material as a base.

If you are the home s original owner or you have previously replaced the roof since owning the home try to work through the manufacturer to make a claim based on the product warranty.