Skip to content
Skills Hub
MEMBERS AREA
JOIN
CONTACT
Members
Skills Hub
Members Dashboard
Join
Contact
About
Leadership Team
Find a Member
STA Assure
TIMBER SYSTEMS
Why Structural Timber?
Timber Frame
SIPS
Mass Timber
Sustainability
Durability
Research
Regulations
Self Build
Insurers & Lenders
Libraries
Technical Documents
News & Blogs
Videos
Events
Case Studies
Advice Note 19 Determining timber fractions V1 Sept 2026
01/09/2026
Share this article
Back to News
