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This document specifies the minimum requirements for the manufacture of mechanically laminated timber (MLT) using graded timber laminations connected parallel to each other along the wide face with metal or wooden fasteners.
Two qualification paths are provided for prescriptive and custom MLT in this document.
For prescriptive MLT, the design requirements in the form of design modification factors for MLT manufactured in accordance with this document are provided in ISO 25203.
For custom MLT, which is manufactured using specific fastening and, if present, butt joint details, procedures are provided to derive corresponding design modification factors.
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