Condensation in the Roofspace

This presentation discusses the requirements for breather membranes, air barriers and vapour control layers, looks at the principals of condensation, the effects of condensation, issues of detailing cold pitched roofs i.e. insulation, ventilation and underlay. It also looks at condensation controlling measures and solutions.

Topics covered in this CPD:

• What is condensation?
• Pitched roof design considerations
• BS5250 and BS5534
• Ventilated and non-ventilated pitched roof constructions
• Vapour permeable underlay certification
• Types of vapour permeable membranes and their properties