Roof Shingles Manufacturer Defects

Cupping and curling due to age can be distinguished from fishmouthing shown in the photo above caused by inadequate attic venting and building moisture.

Roof shingles manufacturer defects.

The claims primarily involve two brands. Over the last couple of years you may have seen local news coverage about alleged defects in common lines of asphalt roofing shingles produced by some of the country s best known manufacturers. Both these companies offer quality dependable roofing products but these two lines were apparently not up to their usual high standards. Storm damage from wind and hail occur and need to be distinguished from defective asphalt shingle product or asphalt shingle installation errors.

Vertical diagonal and horizontal stress fractures occur when the reinforcement mat cannot withstand the movement within the thermal sealed shingles creating splits or fractures in the shingle resulting in possible water intrusions. This is because the shingles do not meet industry standards for tear resistance. The defect caused so many lawsuits to be filed against shingle manufacturers one in particular agreed to a settlement in february 2010. Another cause of this defect is simply the improper sequencing of the work and a general lack of understanding regarding the importance of this detail even though this information is printed on most bundles of roof shingles.

Your manufacturer s shingle warranty is intended to provide coverage against product or manufacturing defects for a certain length of time usually 20 to 50 years ensuring that the manufacturer will make the necessary repairs or replacements to defective parts within that term. Still it is in your best interest to be aware of possible manufacturing defects for asphalt shingles. Defective shingles can crack because of thermal expansion and contraction. Atlas roofing s chalet line and owens corning s supreme shingle.

Property owners who experienced problems with certain owens corning roofing shingles may have legal recourse. In 2009 the company was hit with a class action lawsuit alleging that its oakridge shadow 40 year shingles are defective in that they deteriorate far before the expiration of their warranty periods. Examples of horizontal stress fractures examples of vertical stress fractures. That s right there are currently thousands of roofs in the area that have been installed with defective shingles which have been recalled due to a manufacturer defect.