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Section 2 - The Physical Environment: Guide to the Calculation of Energy Ratings for Windows, Roof Windows & Doors (ref: 2.3)

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Section 2 – The Physical Environment
GGF Data Sheet 2.3: Guide to the Calculation of Energy Ratings for Windows, Roof Windows & Doors
Published July 2016

GGF Members can download a free copy of this GGF Data Sheet here
This 7-page GGF Data Sheet provides an overview of the criteria by which various fenestration products are energy rated.
It illustrates the methodology of energy rating for windows, roof windows (not applicable for rooflights), pedestrian access door and patio, French and sliding / folding (bifold) doorsets.
GGF Members save on average over 75%on GGF Shop products (savings vary per product)
Create an account using your membership number to save. For information about becoming a GGF Member click here.
Non-member price – per item
1            £50.00
Member price – per item
1            £10.00
Special bulk discounts
All GGF Members wishing to order over 1000 copies of any individual product, please email the GGF Marketing Department at marketing@ggf.org.uk for special bulk discounts.
*based on a collective average across all available products including bulk prices.

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