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

In most cases though, insulation for rubber roofing runs about $1.50 to $3.50 per square foot. The insulation acts as a protective underlayment for the TPO roofing, and helps regulate the home or ...

Spray foam insulation has been used to stop heat escaping from roofs, lofts and attics for ... but is often installed where a highly-resistant underlay like bitumen felt is already present ...

Spray foam insulation has been used to stop heat escaping from roofs, lofts and attics for ... but is often installed where a highly-resistant underlay like bitumen felt is already present ...