Repairing Atlas Chalet Shingles: Donan’s Technical Position

DonanEngineering Articles, Commercial & Residential Roofing, Forensic Engineering, Hail and Wind

The Atlas Chalet shingle was a three-tab, fiberglass mat asphalt shingle with an additional applique layer of asphalt and granules over the shingle tabs.  The applique layer was for decorative purposes only to give the appearance of a dimensional-style shingle.  Atlas Chalet shingles had a 30-year limited manufacturer’s warranty and a five-year wind warranty for up to 80-mile-per-hour wind speeds.  …