IsoSpray, a UK spray foam contractor, provide roof insulation solutions using IsoFoam, a specialist polyurethane spray foam that is closed cell, high density, fire rated and has excellent thermal insulation and condensation control. Isospray can provide roof insulation U values and provide U value calculations for Part L of the Building Regulations. IsoFoam can also be used for general insulation and is very quick to install taking typically no more than a day on most domestic properties.