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The VELUX ZWC S001 Profile set is to be used on non-standard roofing materials like felt, zinc, lead etc with an on site flashing.

You will recieve a special head flashing that will hook over the top hood section which will overlap the roofing material and then the installer will need to flash up to the window frame to ensure weather tightness.  You will also recieve side coverings shown as parts 2 and 4 of the image. These and the special head flashing will work with the side and bottom frame covers supplied with the window.

For more information click here for installation instructions and click here for the special head flashing diagram.

If your window was manufacturered before Feb 2014 please contact us as you will require a different type of profile set.

If you need more information please call us on 01786 357 252 or email us at

Pricing a project? For the best deal call 01786 357252

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Further Detail

The ZWC profile set is also required when you are putting a pitched roof window into your own manufactured timber kerb rather than one of VELUX kerbs. In this case you would buy the window and profile set and the window would be installed into the builders upstand where an on site flashing would need to be used to flash up and around the kerb to ensure weather tightness and the profile set would be used to finish off the window.