Glazing and U-values - for details please see Glazing Options below
Fixed Shut Window.
FSC Certified.
BBA Approved (02/3944).
Semi-automatic pressure ventilation V40P to prevent wind gusting.
External aluminium colour reference RAL7022.
With natural pine wood frame.
Internal finish 2 layers of white acrylic varnish.
Glass construction from outside to inside = 4H-Tg15Ar-33.2T - the outer pane is a 4mm toughened glass, 15mm warm TGI spacer filled with inert argon gas.
The 6.8mm internal pane is an anti-burglary class of laminate 33.2 (class P2A, EN 356,1(B)1 wg EN 12600), complete with a low emission coating.
Producing a U-Value of 1.3W/m²K (glass U-Value 1.0W/m²K).
Acoustic rating 35dB (-1.-3). Can be used on roofs with pitches between 15-90º.
