The Vantage bi-fold window has been designed for the loads it will be subjected to:

The double hollow sill will carry the weight of the panels as they open and close.

Window sill fitted with splayed aluminium threshold.

This detail will resist 300Pa water.

Installation: Refer installation section for details on recommended method of fitting the windows and accessories.

For DXF/DWG installation details contact us.

Make sure the sill is securely fixed to the structure.