VELUX Step Longlight/Ridgelight 5-25°
by VELUX Commercial
Multiple rows of skylight modules connected to create a large glass roof.
The Step Longlight and Step Ridgelight solutions enable great daylight design in buildings with large, open atriums.
The solution consists of multiple rows of VELUX modular skylights connected as Step Longlights 5-25°, Step Ridgelights 25° or as Step Ridgelight 5-25° on Girder.
The rows are connected by a factory finished flashing that ensures drainage of water between the rows. The rows must be supported by structural beams on the inside of the building.
Suitable for:
- Flat roof
- Flat roofing material
- Roof opening extra large
- Rooflight installation pitch 5-25°
Key benefits:
- Prefabricated solution for large, glazed roofs
- Elegant design with option of slim beams between the rows/steps
- Maximum daylight through the roof
VELUX modular skylights are delivered with a 10-year guarantee on modules and flashings. VELUX skylight specialists offer support throughout design, specification and installation, including design of structural beams. Please note that beams and sub-constructions are not included in the VELUX delivery.
Specification Details for VELUX Step Longlight/Ridgelight 5-25° (Flat Skylights)
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that VELUX Commercial is consulted before specifying.
Technical
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| Features (?) | Motorized | |
| Flexural Strength (?) | 1000 N/mm2 | 100.00% |
| G-Value or Solar Factor (?) | 0.13 - 0.6 % | |
| Insulating Glass Configurations (?) | :pw-E coating , Laminated inner glass with PVB foil , Low-E coating , Middle glass , Outer glass layer with step , Spacer | |
| Operation (?) | Motorized | |
| U-value (overall) (?) | 0.86 - 1.5 W/m2k | 73.33% |
| Water Tightness (?) | 1200 Pa | 50.00% |
Materials & Finishes
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| Finish(es) (?) | Powder Coated | |
| Frame Material (?) | Fibreglass , Polyurethane Resine | |
| Glazing Material (?) | All glazing units include a toughened outer glass layer and a 3+3 or 5+5 mm safety inner glass layer with two layers of 0.38 mm interlayer PVB foil.The triple-glazing units have a heat-strengthened middle glass layer. | |
| Glazing Type (?) | Double Glazed , Triple Glazed | |
Physical Properties
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| Roof Pitch (?) | 5 - 25 Degrees | |
Other
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| Uniclass (?) | Pr_30_59_72_77 Skylights | |
Certifications & Ratings
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| Air Permeability Class (?) | Class 4 | |
| CE Marking (?) | ||
| External Fire Performance (?) | Broof(t4),Broof(t1) | |
| Reaction to Fire (?) | B | |
| Resistance to Wind Load (Class) (?) | Class C5 | |
Commercial
Size & Weight
File Downloads for VELUX Step Longlight/Ridgelight 5-25°
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