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Velux Fixed Dome with Glazing

Advanced technology protects from the elements

Award winning quality and finish

£439.42 ex. VAT£527.30 inc. VAT

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Lead Time: 3-5 working days


Velux Fixed Flat Roof Window 

The Velux Flat Roof Window CFP is a flat roof window that lets you ventilate when needed. It’s perfect for homes, offices, clinics, workshops and other environments where both daylight and fresh air are required. Add a Velux Flat Roof Window for natural light. The clear or opaque polycarbonate dome is designed to protect the double-glazed unit below from rain and snow.

The package includes: Fixed Flat Roof Window with double glazed unit, toughened outer pane and laminated inner pane for additional safety. Comes with seperate polycarbonate cover with security fixings. On-site flashings required.


  • Double-glazed window with protective polycarbonate cover.
  • Excellent sound insulation from rain and hail.
  • Certified to European Security Standards EN 1627-30.
  • Energy efficient with an interior area Uw-calue of 1.4W/m²K (certified to EN 12567-2) and an external surface area Ud-value of 0.72W/m²K.
  • Clear or opaque polycarbonate cover.
  • Available in 9 sizes with kerb height of 150mm.
  • AA fire rated.
  • 150mm extension kerb allows installation in warm or sedum roof constructions.

The pane should be cleaned with a soft, clean, lint-free cloth or non-abrasive sponge. The rest of the window can be cleaned with ordinary household cleaners. 

Flat Roof Window Sizes

Product Code External Frame Size including kerb Structural Openings
060060 78 x 78 cm 60 x 60 cm
060090 78 x 108 cm 60 x 90 cm
080080 98 x 98 cm 80 x 80 cm
090090 108 x 108 cm 90 x 90 cm
100100 118 x 118 cm 100 x 100 cm
090120 108 x 138 cm 90 x 120 cm
120120 138 x 138 cm 120 x 120 cm
100150 118 x 168 cm 100 x 150 cm
150150 168 x 168 cm 150 x 150 cm

  • For Roof windows, Velux offer a 10 year guarantee as standard.

    For more information click here.

  • For Velux technical data, click here.

    For the Velux installation guide, click here.

  • If you are not satisfied with any LB Supplies products you can return them within 14 days of purchase as long as they are unused and in their original condition and packaging. If you purchased from our website and would like to return your products, please download the LB Supplies returns form below and include it with the return. Once we′ve received your unused products, we′ll refund you the amount of the original purchase, excluding any delivery costs, using your initial method of payment. Some products may incur restocking charges. For all returns and any exchanges, you are required to cover the cost of the return delivery to our offices.  For your own security, we recommend using a recorded delivery service when sending goods to us.

    Click here for a product returns form.