Glazing Manual Data Sheet 2.2 Window and door system U-values - provision of certified data

Publication Year

2002

Document Status

Withdrawn

Abstract

Describes a method of assessing and reporting the thermal performance of windows and doors. Changes have been incorporated to relate to the window u-value requirements of Building Regulations Approved Documents L1 and L2 in (England and Wales) and Building Standards (Scotland) Part J.

Document History

First published 2002, updated November 2014.

Publisher Information