BS PAS 670:2021

This PAS specifies requirements for flat sheet building boards manufactured using magnesium oxychloride or magnesium oxysulfate for the purpose of partitioning or internal and external lining of buildings, including the following characteristics:

a) dimensions and tolerances (see Clause 7);
b) physical requirements and characteristics (see Clause 8);
c) durability (see Clause 9);
d) release of dangerous substances (see Clause 10);
e) moisture movement (see Clause 11);
f) reaction to fire (see Clause 12);
g) performance in a humid environment (see Clause 13);
h) verification of quality management system (QMS), factory production control (FPC) and consignment inspection (see Clause 14); and
i) product traceability (see Clause 15).

All current amendments available at time of purchase are included with the purchase of this document.