05 / Window systems
Bi-fold
Available in aluminium and steel
Aluminium systems
Separate environments and unify spaces with this 80 mm frame depth folding door system. This evolution of the Folding series offers excellent thermal and acoustic performance thanks to its 45 mm thermal break and glazing capacity up to 48 mm. It also features a reduced central junction of 110 mm, maximizing the glazed area and filling interior spaces with natural light.
Thermal resistanceUd ≥ 0.78 (W/m²K)
Air permeabilityClass 4
Wind resistanceClass C3
Repeated openings and closings50,000 cycles (passing sash)
25,000 cycles (paired sashes)
PAS 24 security testApproved
AEV test 3 sashes. Configuration 321. 2.70 x 2.50 m
Resistance to repeated openings and closings: test performed according to UNE-EN 1191
