Horizontal or vertical splitting or cracking of fiberglass shingles has been a concern in the roofing industry over recent years. Following complaints from roofing contractors, studies done by the Western States Roofing Contractors Association in 1992 and 1995 showed...
When the twenty-two year old built-up roofing system began to fail in 1991, the Navy decided to re-roof Building 680. Totaling 2,260 squares, Building 680 has one big roof! Constructed in 1993 to house an assembly line for submarines, the design was typical of...