Q:We would appreciate your advice regarding our San Francisco home's roof. We have a 1915 Edwardian with a flat tar-and-gravel roof in one of the "sunny" San Francisco neighborhoods. We've had the ...

Spray foam insulation – also called spray foam or spray polyurethane foam (SPF) – is an alternative to traditional building insulation. However, it comes with a number of drawbacks including high cost ...

We'll help you work out what type of roof or loft insulation to go for, how much it will cost, if you can get it for free, and how much you could save on your energy bills. Insulating different areas ...

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