Q What can I do to stop water from forming in multiple places on the four vaulted ceilings in my house during winter? The ...

Spray foam is used in attics, ceilings, walls, and floors. When applied, it expands to 100 times its volume to seal cracks and crevices. It also maintains some flexibility as the home ages.

Homeowners are feeling "betrayed" by the news that some of the UK's biggest mortgage providers are refusing to lend against properties with spray foam in the roof. An estimated 250,000 homes in ...