More than 160 people contacted the BBC after it found some mortgage lenders are rejecting homes with spray foam.

Half a gallon of wood glue, a pile of random, scattered resistors, or in [Ken]’s case, closed-cell silicone foam. Wanting to avoid this situation he set about trying to make his own silicone ...

Do I buy open-cell or closed-cell? Yes, there are two different types of spray foam, and they have two very different ...

Closed cell spray foam is rigid once set ... adding that she did not believe spray foam insulation should be available for sale until there is a better understanding of the product.