The VELUX twin combination flashing allows for two VELUX windows to be installed side by side with an 18mm gap between the windows, bringing in a larger area of light to brighten up a room. This VELUX twin combination flashing is for slate up to 8mm thick.
VELUX recommend using a support trimmer when installing the twin combination for the 18mm frame gap as it's needed to ensure strength and stability between the windows.
|Combination Flashings||Two in a row|
|Compatible Roof Material(s)||Slate|
|Size (W x H)||55 x 78cm|
|Slate Profile||Up to 8mm|
All Sterlingbuild orders have FREE standard delivery when your order is over £100 + VAT.
However next day delivery will carry a small next day delivery charge which will be shown in the final shopping basket
Unfortunately additional delivery charges will apply if you live in the Scottish Highlands and UK islands. These delivery charges are based on additional costs from our national couriers.
If additional shipping fees apply, a member of our team will contact you before processing your order to let you know.
We will do our very best to make sure your delivery arrives by the date required, however manufacturer availability and delivery schedules cannot always guarantee this.
Should your estimated delivery date differ from that displayed on our website, one of our team will inform you by email or telephoneView full Delivery Information
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