A 600mm extension section for rigid VELUX sun tunnels, available in 10" or 14" options.
Suitable for TWR and TLR sun tunnels where the distance from roof to ceiling finish level exceeds 1.85m. The tunnels can be extended up to a maximum of 6m.
The code of your existing VELUX window may differ if it was purchased pre-2014. Please view the Help & Advice tab to see how your old code translates to new codes.
VELUX Window Sizes / Orientation
All VELUX window sizes are listed as width x height. For example, an MK04 window is 78cm wide and 98cm high.
For a visual representation of this, please click here.
VELUX Window Product Codes
The code of your existing VELUX window may differ if it was purchased pre-2014 - these windows generally have a code without the 'K'. To learn how to find your VELUX window code, click here.
And to see how your old code translates to new codes, click here. However, you will need to buy the pre-2014 coded product to match your window.
VELUX Blind Product Codes
VELUX blinds come with side channels which come in two different options. This is reflected in the product code:
Top Hung Windows & Cleaning Mode
Your top hung window may arrive in the Centre Pivot position which is the Cleaning Mode Function, allowing the external pane to be cleaned when the window has been installed. Please click here for instructions on how to switch it to the correct position.
Useful Guides
VELUX ACTIVE
For advice and FAQs on the VELUX ACTIVE system, please visit the VELUX support pages.
VELUX Standard Flashing Kits
Please note that if you are viewing the installation guide for standard flashing kits, part 5 as numbered in the illustration is pre-attached to the window and is not part of the flashing kit. Part 6 comes within its own box that is positioned above the window in the window box.
Other Advice
Further product data and installation guides can be found in the Technical Information area (where applicable).
Customer Reviews4.75 4.7/5 Based on 3 reviews
Great to deal withReviewed by Jonesda53 on 05 Feb 2021
Great service. Great prduct
Excellent serviceReviewed by Petew.mail on 19 Nov 2020
Needed this extension to allow me to fit my new sun tunnel, the quality is good, genuine part, delivered very quickly so very happy, thanks.
okReviewed by Charles.clay on 08 Jul 2020
fixes together easily
Delivery
How much does delivery cost?
Delivery charges will vary and will depend on the manufacturer, weight, size and delivery location. The cost is automatically calculated when you add items to the shopping basket.
How long will I wait for my delivery?
The estimated delivery times are shown on each product page, we will email you each step of the way to keep you informed. The majority of products can be delivered within 3-5 working days.We will advise you if the delivery period is different from than stated on our website.
Do you offer NEXT DAY delivery?
We currently do not offer next day delivery but hope to offer this soon. If you have a particular item that you require quicker than the guide on our website, please contact our sales team on 01858 455055 during office hours, they will be able to confirm whether a quicker delivery if possible.
What if my delivery doesn't turn up on time?
Please contact our sales office on 01858 455055 or email sales@roofgiant.com and we will advise on the status of your order.
Do you offer FREE Delivery if I spend a substantial amount?
Not as standard, we show the delivery charges separate once you go to the checkout so it is clear what you are paying for the products and delivery costs. If you are ordering larger quantities please contact out sales team who will be able to confirm if this is possible.
Do you deliver on Weekends?
Not as standard, our deliveries are made Monday to Friday. If you do need an urgent Saturday delivery please contact out sales team on 01858 455055 during office hours who will be able to confirm. This will incur a premium charge if possible.
Do you deliver to Northern Ireland/Guernsey/The Scottish Highlands/Isle of Wight?
Yes, we do but our transport charges incorporated in the site do not cover these areas, please contact our sales team on 01858 455055 during office hours for costs; or we will contact you to make the additional payment once you have completed your online purchase.
What if my delivery doesn't turn up on time?
Please contact our sales office on 01858 455055 or email sales@roofgiant.com and we will advise on the status of your order.
VELUX Returns Policy
DELIVERY: It is the consumer's responsibility to ensure there is site access, have the ability to unload and someone on site to sign for the delivery. The signature is accepted as valid proof of delivery in the right condition.
Goods that are either damaged or missing in transit must be marked on the delivery driver's paperwork prior to signing for the goods delivered, and reported to Roof Giant within (7) working days of the actual delivery date.
Please do not install VELUX items if you have a query with the product (e.g. if you need to query damage that occurred during transit). If an item is installed there is no guarantee of a refund/replacement.
Faults that were not evident during an inspection upon receipt of goods must be reported to Roof Giant within one (1) month of the delivery date.
To return goods to VELUX, the following conditions must be met:
Example Return
VELUX refunds process can take up to 30 days to process from point of collection, we will be in touch to confirm the credit as soon as confirmation is received.