1200 x 1800 mm insulated upstand for flat roof skylight 750 x 5000 These polycarbonate smoke vents not

These polycarbonate smoke vents not only ensure effective smoke and heat extraction

Built to Last: Tested to meet CWCT TN-67 Class 1 non-fragility standards and ACR[M]001 Class B non-fragility for safety and durability

The framed construction not only enhances the architectural aesthetics but also provides extra strength and leak-proof assurance

it can be fitted onto a builder's timber upstand or optionally equipped with a 150mm or 300mm uPVC upstand

1200 x 1800 mm insulated upstand for flat roof skylight 750 x 5000 These polycarbonate smoke vents notExplore our Insulated Builder's Upstand, perfect for flat roof skylight installations. This upstand is designed to enhance thermal efficiency and ensure superior structural durability and weatherproofing without specific insulation materials mentioned. Key Advantages: Enhanced Thermal Efficiency: Helps maintain a comfortable indoor environment and reduces energy costs by minimising heat transfer. Exceptional Durability: Made from chipboard wood, our