FAQ - Frequently asked questions
It is a layered installation: an airtight tape on the inside, expanding foam in the middle, and a weather-tight, vapour-permeable tape on the outside. It protects the foam from moisture.
For very large glazed areas (e.g., 3m high), aluminium is necessary for its structural rigidity. uPVC is cheaper and more thermally efficient for standard sizes.
It is a system that allows for huge, threshold-free glazed openings that are easy to operate.
Aluminium doors are warmer, more durable, and do not warp in the sun, but they are more expensive than steel doors.
Standard shutters only delay a break-in. Certified anti-burglary shutters (class RC3) have reinforced guides and slats.
Pros: aesthetics, easier cleaning, better airtightness (they don't compress the gasket). Cons: smaller opening angle (usually up to 100 degrees).
Venetian blinds allow you to regulate the amount of light without complete darkness. They are ideal for modern homes with large windows.
Non-rebated doors (where the door is flush with the architrave) look modern but are more difficult to adjust. Rebated doors are cheaper and offer better sound insulation.
For new builds, the standard is a U-value below 0.9 W/m²K. Good passive house windows have a U-value around 0.7-0.75.
It is highly recommended. It is a profile made of XPS insulation installed under the window that eliminates the thermal bridge and draughts in the most sensitive area.