TG14:20 Supplementary Couplers and Check Couplers - Digital Download (PDF format)
This guidance note provides essential advice on the correct use of supplementary and check couplers.
This 2 page technical guidance is aimed at scaffolding companies, designers, and site personnel. It explains the role of supplementary and check couplers in scaffold construction, particularly where additional security is required to prevent slippage, rotation, or joint failure. The guidance outlines when these couplers should be specified, how they should be installed, and common scenarios where their use is critical to scaffold stability. By following this guidance, companies can improve structural integrity, reduce the risk of connection failure, and ensure scaffolds are erected in line with recognised industry best practice.
