Most commercial roofs are low-slope, and owners have several ways to protect them. Spray polyurethane foam (SPF) is one option alongside single-ply membranes, asphaltic systems, a ...

Dear James: We had the roof partially raised to convert the attic into living space. The relatively low old asphalt rolled roof is leaking. Dear Olivia: It would have been much better if the ...

Michelle draws on her forensic engineering background to analyze how the building code, drainage design, wind‑uplift, and transition detailing drive the failure modes highlighted in this paper, ...