Daylight Systems

High-performance multi-cell frame with a laminated safety glass pane (HR++). 

• In combination with an alwitra^® kerb and an alwitra^® rooflight, you get a flat roof window, absolutely suitable for living spaces, with optimum characteristics.
• Compatible with all alwitra^® rooflights and kerbs

 The double-skin version consists of two domed extruded polymethyl methacrylate skins (PMMA).

• Acrylic glass rooflight 2S (U value: 2.68 [W/m²K])
• Highly transparent, impact-proof and UV resistant plastic. 
• The standard version consists of two opaque skins; a version with two transparent skins is available on request.

Acrylic glass rooflight 3S (U value: 1.70 [W/m²K])

• Consists of three domed extruded polymethyl methacrylate skins (PMMA).
• The standard version consists of two opaque skins and a transparent middle skin; a version with three transparent skins is available on request.

Acrylic glass rooflight 2S WD. 

• The multi-skin rooflight 2S WD consists of a transparent domed outer acrylic glass skin (PMMA)
• 10 mm domed transparent SPC sheet and an opaque inner acrylic glass skin
• Due to their outstanding thermal insulation characteristics, these rooflights are the ideal solution for buildings with increased thermal protection requirements.

The extruded polyvinyl chloride profiles with an impact-proof frame feature an innovative cellular system optimising the thermal insulation of the profile.

• Without any additional measures, alwitra^® upstands ensure excellent thermal insulation up to every corner
• U-value: 1.0 W/m²K according to EN 12567-2
• White inner side, smooth or lightly textured PVC

• Electrical sun protection
• alwitra^® fall-through protection grating