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Modular Skylights - Step Longlight and Step Ridgelight | VELUX
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Modular Skylights - Step Longlight and Step Ridgelight | VELUX

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  • Use

    Flat roofs and roofs with a pitch between 5-25°
  • Applications

    Commercial, Industrial, Institutional
  • Characteristics

    Prefabricated, modular, low U-value, fixed or operable
  • Sizes

    VELUX modular skylights require the following minimum and maximum measurements: Module width: 675-1000 mm Module height: 600-3000 mm 
  • Certification

    VELUX Modular Skylights: CE-marked in accordance with the harmonized standard EN 14351-1 – Windows and doors. Self-supporting Ridgelights are CE-marked in accordance with the European Assessment Document EAD 220013-01-0401 of 2017-03 as relevant harmonized technical specification. The load bearing capacity performance is expressed in the European Technical Assessment ETA 14/0476 of 2018-01-23 VELUX Skylight modules have been tested and approved in accordance with EN 12101-2 – Smoke and heat control systems Part 2: Specification for natural smoke and heat exhaust ventilators.
  • Guarantee

    10 years
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More about this product

VELUX Step Longlight & Step Ridgelight skylights are designed to provide large skylights in buildings with large, open atriums. Step Longlights and Step Ridgelights are designed for applications in roof pitches ranging from 5 to 25° and are comprised of multiple rows of VELUX modular skylights connected by factory finished flashings and vapour barrier connection strips to allow for watertight rooflight and glass roof structures. To create the large modular skylight assembly, the prefabricated skylights are installed close together using joint brackets and clamping system for fast and easy installation.


Functions
There are three options for the VELUX skylight module:

  • Fixed
  • Motorized comfort venting skylight module opens up to 410mm
  • Motorized smoke venting skylight module opens up to 700mm in less than 60 seconds


Where daylight and heat control is required, factory finished, pre-mounted internal blinds can be fitted.


Glazing
VELUX modular skylights come with standard low-energy double or triple glazing with the following features:

Insulated glazing (Ug values down to 0.5 W(m2/K))

  • Toughened outer glass
  • Laminated inner safety glass
  • Falling through safety
  • Sound insulation from traffic, rain and hail
  • Warm edge spacer that protects the insulation properties over time and minimizes the risk of condensation at pane edges
  • Step pane that leads water off the unit
  • Sun protection coating (optional)


Performance
The VELUX modular skylight profiles (sash and frame) are made of pultruded fiberglass (80%) and polyurethane composite (20%). The composite material provides high insulation performance and thermal stability as well as excellent profile stiffness and bending strength.


Extensive testing is carried out on the prefabricated units. Tests are performed in controlled environments in accordance with harmonized standards for both Windows and doors and for Smoke and Heat control systems.

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