Sliding & Folding Doors
ALT SL130 Ultra SlimLine Lift-and-Slide and Sliding Patio Systems
420 kg
Maximum sash weight
3200 mm
Maximum sash width
3400 mm
Maximum sash height
24-42 mm
Infill thickness
Uf = 2.23 W/(m² · К)
Thermal transmittance of the frame section
900 Pa
Watertightness
Class A
Air permeability
1600 Pa
Resistance to wind load
up to 40 dB
Sound insulation
ALT SL160 Lift-and-Slide doors
up to 3 385 mm
Max leaf height
up to 3 235 mm
Max leaf width
up to 440 kg
Max leaf weight
54 mm
Max. infill unit thickness
Ud>=1,3 W/m2*K
Thermal insulation in accordance with EN ISO 10077-1:2007, EN ISO 10077-2:2012
PAS 24:2016 (class D)
Burglar resistance
class E900 (900 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class C5 (2000 Pa; 1/300)
Wind load resistance (EN 12211:2000, EN 12210:1999)
class 5
Impact resistance (3049:2003)
up to 36 dB
Acoustic insulation
ALT BF73 Bi-folding doors
up to 3 000 mm
Max leaf height
up to 1 200 mm
Max leaf width
up to 120 kg
Max leaf weight
44 mm
Max. infill unit thickness
1,2 W/m2*K (DSER of 'B' rating)
Triple glazed door
1,6 W/m2*K (DSER of 'C' rating)
Double glazed door
PAS 24:2016 (class D)
Burglar resistance
class 9A (600 Pa)
Watertightness (EN 1027:2000, EN 12208:1999)
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class A3 (1200; 1/150)
Wind load resistance (EN 12211:2000, EN 12210:1999)
About BFRC rating
The BFRC is the UKs most widely used rating council for energy performance in windows and doors. The ‘rainbow’ labels are visible proof of invisible performance, showing our product has been independently verified by experts to perform as promised.