The Celotex Pitched Roof Technical Twitter Takeover

The February Technical Twitter Takeover saw focus on pitched rCelotex Insulation Technical Twitter Takeoveroof application, including topics such as Building Regulations, ventilation and insulation between rafters.

Let’s crack on with the questions.

Question 1 – What U-values do I need to achieve to hit Building Regulations for an existing pitched roof? #AskCelotex. Under normal circumstances, existing pitched roofs would require a u-value of 0.18 W/m2K. Read more »