TPO roofing is a relatively inexpensive rubber roofing material that’s most often used on commercial buildings. TPO stands for Thermoplastic Polyolefin; it’s made primarily from recycled rubber, and ...

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Q. When ice dams form, we have a leak that comes down off the edge of the roof and into the kitchen above a small window. The pitch of the roof is “shallow-ish,” which may be a part of the problem. A ...

Q. I am on the board of trustees of a small condo association. We live in a typical early-20th century three-story brick apartment building composed of five blocks attached to one another with a ...