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Name DateDrawn byChecked byDrawing No.

Jan. 08Jan. 08

GGL Roof Window in metal roofs (pitch < 15 degrees)

This drawing is an instrument of service and is provided for informational use only. 2006 VELUX GROUP VELUX is a registered trademark

100 mm

skylight width

80 m

m

Height of upstand*2 crests**

200mm**

Height of upstand*

75mm**

Purposemade flashingby flashing contractor

Top cover flashing

VELUX GGL Roof Window to 1 in 3.7(15 degrees) min. angle

Lining

Rafter

Blocking tosupport flashing

Trimmer Lining

Battens to support flashing

TrimmerInsulation material

(check on site)

VELUX GGL Roof Windows installation guidelinesfor metal roofs

2. Support the VELUX Roof Window on a 15 mm thick plywood frame. (H3 treated). The perimeter measurements at the top of the plywood frame are the same as the Roof Windows' width and length. (A conventional 100x50 frame may be constructed as an alternative support frame option for the Roof Window)3. Fix the Roof Window to the plywood frame using min. 4 off 6 kN Builders Strap. Ensure plywood frame is fixed to the roof structure, so that the requirements of NZS 3604 are met.4. * A purpose made flashing designed to meet the conditions set out in Section E2 of the New Zealand Building Code shall be manufactured and installed by a specialist flashing contractor. This flashing must be guaranteed against weathertightness by the specialist flashing contractor.

1. For roofs with roofpitches less than 1 in 3.7 (15 degrees) fall, the VELUX GGL Roof Window must be installed to a min. of 1 in 3.7 angle

SECTION AA

INSTALLATION GUIDELINES GGL ROOF WINDOW IN METAL ROOFS (PITCH < 15 DEGREES)

SECTION BB

A

A

B B

ELEVATION GGL

GGL Roof Window in metal roofs (pitch < 15 degrees)