St Johns Window Centre are proud to show our 2018 CERTASS TRR labels for our Certified Rated Energy Efficient Windows.
PVCu Windows are constructed from 5 chamber Kommerling C70 Gold PVCu system with centre chamber fully reinforced with steel for maximum strength and double glazed with Pilkington EnergiKare glass units.
Windows can be made in White or Woodgrain PVCu and is the same product we have manufactured for many years with the addition of argon gas and low iron glass as standard, where they used to be an extra option.
Aluminium Window 2963 is double glazed with Planitherm Total + Glass units as standard
Due to the strength of these products they can be used in all installations.