A & A+ Products


St Johns Window Centre manufacture a PVCu ‘A’ Rated window, this is achieved by using a new 5 chamber outerframe with centre chamber steel reinforced for superior strength to some ‘A’ Rated windows.

Double glazed with Planitherm Total + glass to inner pane, swissspacer warmedge spacer bar, argon cavity and low iron glass to outer pane, units for maximum thermal performance.

During 2015 St Johns Window Centre registered a Triple Glazed Window with a A+11 rating this with our trusted 3 Chamber Outerframe which is our preferred frame with the extra weight of glass.

The First Triple glazed window to be registered with BFRC was manufactured in Worcester by St Johns Window Centre.