Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it? Maybe. Most codes now allow no more than two layers of roofing before requiring a complete tear-off.

A common misconception is that roofing shingles, typically used for sloped roofs, can be applied to flat roofs without consequence. This belief often leads to a range of problems that can ...

April 16, 2025 /PRNewswire/ -- CertainTeed, a leading North American manufacturer of sustainable building materials, is proud to announce that its entire residential roofing shingle portfolio has ...

The Good Housekeeping Seal is granted only after rigorous evaluation by the Good Housekeeping Institute (GHI), where scientists and engineers assess products against stringent performance standards ...