
Technical Note 107 Thermal transmittance (U-values) for built-up walls
Publication Year
2023
Document Status
Current
Abstract
This Technical Note provides guidance and advice on calculating U-Values for built-up walls to demonstrate compliance with the requirements included within Part L of the Approved Documents.
Publisher Information
Centre for Window and Cladding Technology
Founded in 1989, the Centre for Window and Cladding Technology publishes research, hosts conferences, conducts training and represents clients, architects, contractors and manufacturers from across the industry.
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