External Wall Insulation (EWI) frequently asked questions (FAQs).
Does external wall insulation help with damp and condensation?
External wall insulation can help reduce condensation and penetrating damp by keeping walls warmer and better protected from the weather. For best results, insulation should be installed alongside proper household ventilation, in line with PAS 2035 retrofit best practice. This may include background trickle ventilation, mechanical extract ventilation in wet rooms such as bathrooms and [...]








