VELUX EFL Twin Vertical Element Roof Flashing for Slate Roofs
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The VELUX EFL Twin Vertical Element Roof Flashing for Slate Roofs is the ideal solution for connecting two sloping roof windows with two vertical elements, creating a seamless, elegant transition between your roof and vertical glazing. Designed for flat roofing materials up to 8mm thick — including slate, roofing felt, and membranes — this flashing ensures a durable, watertight and weatherproof installation.
Constructed from corrosion-resistant lacquered grey aluminium, it provides long-lasting performance with a sleek, maintenance-free finish. Perfect for roof pitches between 15° and 55°, this flashing ensures a professional result while effectively directing rainwater away from your windows for reliable protection year after year.
Technical Specification
- For flat roofing materials up to 8mm thick – ideal for slate, roofing felt, and membranes
- Connects two sloping roof windows with two vertical window elements – creating a unified, modern look
- Durable and watertight design – ensures long-term weather protection and efficient drainage
- Corrosion-proof grey lacquered aluminium construction – low maintenance and built to last
- Suitable for roof pitches from 15° to 55° – offering versatile installation options
- Easy to install – brackets align with red lines at the top and bottom of the frame for standard height setups
- 10-year guarantee – for lasting reliability and peace of mind