Technical Specifications

Top hinged roof window - GPU
Center-pivot roof window - GGU
Roof windows
Top hinged roof window - GPU Center-pivot roof window - GGU
Please reference the price list for a full description of all sizes and glass options.
• Enjoy panoramic views while increasing your energy eciency
and natural ventilation.
• Greatly increase the amount of natural light in your rooms.
• Convenient bottom operation - the perfect choice for loft
conversions with windows in easy reach.
• GGU roof windows are only available for special order.
• Convenient - even with furniture placed beneath the
roof window.
• Easy to open and quick to close with the top control bar.
(GGU only)
• Low installation allows for more flexibility and better views.
Benefits:
New New
Size code GPU
15°- 55°
3:12 - 17:12
CK04 CK06 MK04 MK06 MK08 PK10 SK06 UK08
Rough opening (W-in. x H-in.)
22
1
⁄8 x
39
22
1
⁄8 x
46
7
⁄8
31
1
⁄4 x
39
31
1
⁄4 x
46
7
⁄8
31
1
⁄4 x
55
1
⁄2
37
5
⁄8 x
63
1
⁄2
45
3
⁄8 x
46
7
⁄8
53
1
⁄4 x
55
1
⁄2
Size code GGU
15°- 90°
CK02 CK04 CK06 FK04 FK06 FK08 MK04 MK06 MK08 MK10 PK06 PK08 PK10 SK06 SK08 UK04 UK08
Rough opening (W-in. x H-in.)
22
1
⁄8 x
31
1
⁄8
22
1
⁄8 x
39
22
1
⁄8 x
46
7
⁄8
26
1
⁄2 x
39
26
1
⁄2 x
46
7
⁄8
26
1
⁄2 x
55
1
⁄2
31
1
⁄4 x
39
31
1
⁄4 x
46
7
⁄8
31
1
⁄4 x
55
1
⁄2
31
1
⁄4 x
63
1
⁄2
37
5
⁄8 x
46
7
⁄8
37
5
⁄8 x
55
1
⁄2
37
5
⁄8 x
63
1
⁄2
45
3
⁄8 x
46
7
⁄8
45
3
⁄8 x
55
1
⁄2
53
1
⁄4 x
39
53
1
⁄4 x
55
1
⁄2
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