VPN Roof Trusses is suitably designed to comply with the most up-to-date:-
- British standard 5950-structural use of steelwork in building part5- Code of practice for design of cold formed sections
- AISI specification for design of cold formed steel structural members 1996
- British standard 3699- loading for building Part 1- code of practice for dead and imposed loads
- British standard 3699 Parts 2 1997 code of practice for wind loads