Castelia offers many unique aluminum systems that are not offered by our competition: For example lift & slide doors, bi-folding doors, turn & tilt windows, turn & tilt doors and hopper windows. Our large range of different window and door types also allows you to purchase all your aluminum windows and doors from one manufacturer. Apart from greater convenience and freedom of choice, it also eliminates the risk of having different finishes on the windows
and the doors.
Castelia aluminum windows and doors are engineered to strict German industry requirements. Extensive research and testing assures that Castelia aluminum fenestration products are extremely durable and offer exceptional performance. Aircraft-grade aluminum and precision German hardware is used for all Castelia aluminum fenestration products. The fitting of special hi-tech gaskets made of EPDM synthetic rubber guarantees long term tightness and waterproofing by resisting aging even in harsh and sunny coastal weather conditions.

Castelia also offers the option of curved as well as bent aluminum profiles. Other options include highly durable finishes and motorized lift & slide door or turn & tilt window operation.
For projects in Europe, you are welcome to contact our local offices directly:

Florence  /  Cannes  /  Marbella  /  Berlin  /  London
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