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Design & TG20
Compliance sheets, bespoke design, and knowing which side of the line a structure falls on.
18 August 2026 · 7 min read
TG20 compliance, explained: what a compliance sheet actually tells you
A TG20 compliance sheet is evidence that a scaffold matches a configuration already checked by NASC. Here is what it covers, what it does not, and where a bespoke design takes over.
11 August 2026 · 6 min readWhen does a scaffold need a bespoke design?
Compliance sheets cover a lot of ordinary scaffolds and nothing unusual. Here are the situations that reliably take a structure out of the guidance and into design.