GGL Center Pivot Roof Window
This is an openable, centre-pivoting roof window for in-reach applications used to bring natural light and air into attics or lofts where ventilation is required.
Key Features
- Dimensions: 550 x 780mm
- Maintenance-free – White PVC interior frame
- WERS Rating - 5 Stars
- High-performance double glazing with NEAT™ coating for reduced cleaning frequency
- Removable insect screen
- Outer aluminum capping (grey)
- Approximately 75% heat block
- Top control bar allows filtered passive ventilation even while the window remains shut.
- White pre-painted pine sash and frame
- Available in 5 sizes
- Laminated double glazing as standard
The GGL is operated manually. The control bar at the top of the window is clicked open once for limited filtered air flow, whilst the window remains closed and watertight. A second click of the control bar opens the sash.
High-Performance Double Glazing
- 5.36mm laminated inner panes for enhanced safety
- 9mm Argon-filled cavity for improved thermal insulation
- Double layer of Low-E3 coating for superior thermal performance and reduced UV rays
- 3mm outer pane of toughened safety glass
- NEAT™ coating to reduce cleaning frequency
- Warm edge technology for increased energy efficiency
Benefits
- Radiant heat block: entire window approx 80% / glass only approx 75%
- Blocks 99% of harmful UV rays
- Noise reduction factor: 32 decibels
- WERS Rating: 5 Stars
- Double layer of Low-E3 coating
- 10-year warranty on insulated glass seal
- Reduced cleaning frequency
Hailstone Test
In simulated tests, VELUX skylights withstood cricket ball-sized hailstones at speeds experienced during heavy storms.
NEAT™ Photocatalytic Coating
- Silicone Dioxide/Titanium Dioxide coating reacts with UV rays to decompose surface organic dirt, reducing cleaning frequency.
- Water disperses evenly on the smoother glass surface, sheeting off and evaporating quickly to minimize water spots.
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