Problems with a GAF Timberline Roof Installation
GAF Master Elite Contractor inspection GAF Timberline HD roof installation for Golden Pledge Warranty.
Problems with a GAF Timberline Roof Installation
GAF Master Elite Contractor inspection GAF Timberline HD roof installation for Golden Pledge Warranty.
No ridge vent was installed on this job. GAF cobra vent would have been the appropriate material to use. Instead, the crew maintained old power vents. These certainly wouldn’t ventilate the entire home.
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Some valley nails are inside of 6 inches, this appears to be a leak potential.
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Shingle nail patterns are bad. They are too close to the union.
This is a major problem and will cause leaks in the roof. The nail pattern is not properly spaced over the entire roof.
Technical PDF From GAF On Improper Driven Nails
Proper nail patterns from GAD Pro Field Guide: