How do I specify structural timber in a tender?

A complete timber specification includes: strength class (e.g. C24), species or species group, target moisture content, dimensional tolerances, surface finish requirements, treatment specification if applicable, certification requirements (CE, FSC/PEFC), and delivery/storage conditions.

A complete timber specification includes: strength class (e.g. C24), species or species group, target moisture content, dimensional tolerances, surface finish requirements, treatment specification if applicable, certification requirements (CE, FSC/PEFC), and delivery/storage conditions. Reference EN 14081 for solid timber or EN 14080 for glulam.

Why this matters

This question relates to Structural Timber Specification Guide: C24, BSH Glulam & Engineered Wood, which covers the broader topic in detail. Understanding this specific aspect helps architects, builders, and timber dealers make informed specification decisions.

For full context and additional technical detail, see our comprehensive guide:

→ Structural Timber Specification Guide: C24, BSH Glulam & Engineered Wood

Related questions

• What does C24 mean in structural timber?
• What is the difference between C24 and BSH glulam?
• How far can a C24 timber beam span?

About this answer

This answer is part of the PuurModulair Knowledge Base — comprehensive timber specification guidance for architects, builders, and dealers across the UK, EU, and Scandinavia.