1 Scope
This document specifies the procedures to establish a span rating for natural fibre-reinforced plastic composite ( NFC ) deck boards and deck boards used as stair treads, provided that the stair treads
are produced from the same materials and processing techniques as the deck boards.
This document covers test methods of performance, acceptance criteria and determination
of span rating . It is intended to establish the basis for code recognition of deck boards used in
exterior applications where combustible construction is allowed.
BS ISO 19821:2017 history
0000 BS ISO 19821:2017(2019)
2019BS ISO 19821:2017 Determination of span rating for natural fibre-reinforced plastic composite (NFC) deck boards