Architectural Aluminum Systems
ALT BF73 Bi-folding patio doors will span the large openings and give the maximum of everyday comfort keeping your home warm and safe. Open-in or open-out options as well as folding to one or both directions help to meet any design requirements of your projects.
Due to polyamide thermal breaks and special gasket system as well as up to 44mm glazing option BF73 bi-folding doors will keep heat in and cold out.
Smooth operation - BF73 bi-folding doors are engineered with functionality in mind. An effortlessly smooth and silent operation is guaranteed on a daily basis.
“Zero threshold" - Integrated cill and threshold all in one is designed to reduce sightlines and provide barrier-free living while effective burglar-resistant solutions guarantee the security and keep intruders away.
Maximum sash height 3 000 mm
Maximum sash width 1 200 mm
Thermal insulation
Ud ≥ 1.2 W/m2 ∙ K
