All CVAC International ductwork installations comply with:
DW/144 — HVCA Specification for Sheet Metal Ductwork.
DW/172 — HVCA Specification for Kitchen Ventilation Systems.
Building Regulations Approved Document F — Ventilation.
BS EN 1886 — Mechanical performance of air handling units.
BS EN 13180 — Ductwork for building services.
Fire-rated ductwork installations are also available for applications requiring passive fire protection, including kitchen extract systems and cross-compartment routes. Contact our team to discuss your ductwork project.