Xspan Barrel Vault

A self-supporting, glazed barrel vault.

Features and benefits:

• The system has an'cascade' internal water management system.

• Can be glazed with solid or multi-wall polycarbonate, giving high thermal performance for Part ‘L’ compliance.

• The ends can be terminated with vertical glazed screens, or can simply abut an adjoining structure.

Performance:

• Maximum wind loading to BS 6399:1: 1.5 kPa.

• Maximum imposed loading to BS 6399:3: 0.75 kPa.

• Safety: Non-fragile – Rooflights achieve a Class B rating to ACR[M]001:2014.

• Thermal performance: U-values below 1.3 W/m²K available.