Should I always specify timber over steel?

No. Material selection should be based on the specific project requirements, not ideology.

No. Material selection should be based on the specific project requirements, not ideology. Steel is superior for: very long spans (>30 m) where timber sections become impractical, high-rise buildings (>15 storeys) where lateral stiffness is critical, aggressive environments (chemical exposure, high humidity) where timber durability is compromised, and situations requiring very slender members (tension structures, cable-stayed systems). The optimal approach is often hybrid — using timber where it excels (floors, walls, short-medium spans) and steel where it excels (long spans, lateral stability, connections). Environmental performance is one factor among many in responsible material selection.

Why this matters

This question relates to Timber vs Steel: Full Lifecycle Environmental Comparison, 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:

→ Timber vs Steel: Full Lifecycle Environmental Comparison

Related questions

• Which has lower embodied carbon — timber or steel?
• Is steel more recyclable than timber?
• How do timber and steel compare for operational energy?

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.