Warm Roof Insulation vs Cold Roof – UK Roofing Standards Guide

Cold roof vs warm roof insulation comparison. Illustration showing warm roof construction with insulation above deck and vapour control layer. Complies with BS 5250 & Part L UK regulations.

This image shows the difference between a cold roof and a warm roof insulation system. The warm roof has insulation above the deck, preventing condensation and improving energy efficiency. Following BS 5250 & Part L compliance, this design ensures proper vapour control layer installation.