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Velux Sloping and Fixed Combination Window

Advanced technology protects from the elements

Award winning quality and finish

£403.47 ex. VAT£484.16 inc. VAT

Please select your options to purchase
Lead Time: 3-5 working days


Velux Sloping and Fixed Combination Windows

Multiple Velux roof windows create gorgeous, light-filled rooms and the amazing feeling of being outside. By combining Velux roof windows, you can add a great panoramic view and more natural light to give your home its own unique character. If the pitch of your roof continues to the floor, you can extend your Velux roof window by installing an additional element GIU (maintenance-free white polyurethane) or GIL (clear lacquered white painted wood) below. These windows have a fixed sash that cannot be opened, and are suitable for installation into roof pitches between 15 and 90 degrees.

Follow the steps below to find the best solution for your room:

  • Decide on your combination.

  • Select your opening roof window(s) in sizes MK04, MK06, MK08, PK08 and PK10.

  • Choose from Top Hung, Centre Pivot and Velux Integra.

  • Select your bottom fixed element - Sizes MK34 or PK34.

  • Select the appropriate flashing system for your roof window size and roofing material.

Please Note: This window is only available for the Sloping and Fixed Combinations, and is not available as a standalone product. 

Please Also Note: You are only purchasing the bottom roof window. You will need to purchase the top roof window seperately. Click here for our Velux range.


*Download the Velux: MyDaylight app where you can easily redesign your existing space, add daylight, get a realistic simulation of it and then ‘try it out’ with the 360° feature or in virtual reality.

For Velux: MyDaylight download to Android, click here.

For Velux MyDaylight download to IOS, 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.