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ISO/DIS 25203

Timber structures — Mechanically laminated timber — Design ISO/DIS 25203

General information

40.20   DIS ballot initiated: 12 weeks   Jun 22, 2026

ISO

ISO/TC 165 Timber structures

International Standard

91.080.20   Timber structures | 79.080   Semi-manufactures of timber

Scope

Mechanically laminated timber (MLT) is an engineered wood product that is intended for structural applications subjected to out-of-plane loading. The MLT layups contain lumber laminations connected to parallel to each other along adjacent laminations on the wide face using either steel metal or wooden fasteners, with the laminations loaded on edge. The fibre directions of all laminations within MLT are parallel to each other. In this standard design specifications for MLT products produced in accordance with a parallel proposed product standard are provided.

Life cycle

NOW

IN_DEVELOPMENT
ISO/DIS 25203
40.20 DIS ballot initiated: 12 weeks
Jun 22, 2026




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