Reminder of how Document L will affect glass requirements when in force June 15th 2022
Changes to document L coming into force 15th June 2022 Replacement window suppliers/installers new performance requirements: whole window U-values (Frame and Glass) are to be 1.4W/m2.K or WER of ‘B’ or higher. Solution: IGU to incorporate low e glass (generally soft coat such as Planitherm Total + FG) Spacer bar to be warm edge [...]