Multivault GRP - Modular GRP Barrel Vault Rooflight

Multivault GRP rooflights lap together to form rooflights of unlimited length with spanning capabilities up to 4 metres and are delivered to site in a factory assembled ready to install form. 

Multivault GRP is ideal for all roof types and are fitted onto separate kerbs, without any fixings penetrating the roof covering to preserve the principle of secret fix. The integrated aluminium bar and the well-fitting insulated aluminium end closures makes Multivault GRP a robust rooflight option.

Features and benefits:

• Delivers high levels of diffused natural daylight into the workspace below.
• Versatile design from 1 m to 4 m wide spans and suitable for integration in all standard low pitch roof types.
• Modular units for unlimited run lengths.
• Thermally efficient with no thermal bridging, contributing to Part L compliance.
• Will achieve class B non-fragility to ACR[M]001 when fully installed, giving high levels of safety during roof access.
• Life expectancy of 25 years with minimal maintenance requirement.
• Manufactured from durable industrial grade GRP with different fire rating options.
• Modular continuation units and end units with integrated end closures.
• Suitable for flat, curved, standing seam, low and standard pitch roofs.
• Insulated end closures as standard on end units, can be bespoke for specific applications.
• Triple skin Multivaults have a U value of 1.3 W/m²K, exceeding the requirements of Part L.    
• Hardpak side fillers providing greater support for fasteners ensuring a more reliable installation.
• Water managed aluminium section in all under lap corrugations for added rigidity and fixing when required.