Deck Mounted Roof Access Window FWU

Egress Window: FAKROS's Roof access egress windows let in daylight and circulate fresh air while providing access to the roof. The 24-inch by 46-inch roof access window is officially recognized as an emergency exit.

The double-pane roof access window is filled with argon and has a thick frame to provide a better barrier against thermal bridges. The glass is coated with a low emission layer for added UV protection.

The interior pinewood is pressure treated and double-coated with a clear water-based acrylic lacquer for a smooth, clean finish.



  • includes a template to cut the rough opening, installation instructions, and hardware
  • bracket-free installation – no metal components on exterior
  • requires water and ice shield and FAKRO step (ELW) or high profile (EHW) flashing
  • FWU size 24/46 window is officially recognized as a certified Fire Exit roof window (Egress window*), and can help save lives in case of emergencies, such as a fire, or flood.
  • suitable for roof pitches between 15 and 55 degrees
  • insect screen and blinds available
  • 10-year warranty


* - model FWU 24/46 tested in accordance with IRC section R 310.1.1, R 310.1.2,R 310.1.3, R 310.1.4

Deck Mounted Roof Access Window FWU




  • Deck mounted roof access window FWU

    • single chamber Solar Factor glazing unit 4HT – Tg16Ar – 4H
    • Highest quality pine woodpremium, hand selected, pressure treated pine wood frames
    • Wood painted twice with ecological acrylic lacquerdouble coated wood with ecological acrylic lacquer in natural colour
    • Suitable for pitches from 15-55suitable for roofs with pitches between 15° and 55°.
    FWU-L, FWU-R G31
    • 34 dB acoustic insulation Rw 0.41 [BTU/h ft2F] U-Factor (skylight) 0.20 Solar Heat Gain Coefficient (SHGC) + inert gas filled panes + external glass toughened 0.18 Air Leakage [cfm/ft2] 0.37 Visible Transmittance (VT) 54 Condensation Resistance 730 Water Penetration Resistance/Test Pressure twice varnishing two seals + multi-point opening Standard handle

FWU available sizes



24 x 38


24 x 46


37 x 46*

Rough opening



22⅜ x 37⅝

22⅜ x 45⅜

38½ x 47¾

Outside frame



23½ x 38⅜

23½ x 46¼

36⅞ x 46¼

* Size available to order - installs with mounting brackets.


 Installation instructions:

 User manuals:


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