800 x 1800 mm insulated upstand for flat roof skylight 1200 x 3500 designed for both internal and

designed for both internal and external installations

suitable for both flat and pitched roof skylights

it provides added safety and security

Opt for clear walk-on glass for maximum light transmission

800 x 1800 mm insulated upstand for flat roof skylight 1200 x 3500 designed for both internal andExplore 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