The strip may be set back a maximum of 15 mm from the front of the nosing. At the nosing, each tread shall have a strip not less than 50 mm and not more than 75 mm deep across the full width of the path of travel. ![]() Stair nosings shall not project beyond the face of the riser and the riser may be vertical or have a splay backwards up to a maximum 25 mm, as shown in Figures 27(A) and 27(B).What are the prescriptive Requirements for Nosings? AS 1428.1:2009 Design for access and mobility Part 1: General requirements for access-New building work Whilst the company name will remain redacted I thought it was a good time to discuss this type of nosings in question and why that style does not meet the prescriptive requirements of AS 1428.1:2009. Striped style non-compliant stair nosings from a Chinese manufacturer as found on Alibaba. ![]() ![]() The reason for the threat is the compliance of the following style of commonly used stair nosings. My answer to the retraction was simply ‘No” I had nothing to retract. ![]() There is nothing like the threat from a disgruntled stair nosing supplier to sue me if I do not retract my comments about purposely supplying non-compliant nosing.
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