
Specification and Non-fragility
Non-fragile classifications can be applied to polycarbonate, glass and GRP rooflights – it is important to understand the considerations affecting these classifications.

Testing and Certification
Typical testing regimes for a rooflight or flat roof windows include air permeability, water tightness and wind resistance. Additional testing covers safety and impact resistance.

Legislation
Easily access specific legislation and accreditation information on our ‘quick links’ page.