The TimbA Journal

Engineering insights for timber construction.

Technical articles, specification notes and project commentary from our in-house structural engineers and the wider Rothoblaas UK network.

Vol. 02 · No. 14 June 2026 Published fortnightly
Building physics 1 article
What is Sd value in building physics? A quick guide for durable timber buildings
Building physics

What is Sd value in building physics? A quick guide for durable timber buildings

A quick guide to Sd value (equivalent air layer thickness) in timber construction: what it means, why it prevents condensation, and how t...

TE
TimbA Engineering Team
22 May

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