Doors
ALT W72HD Insulated heavy duty door
up to 54 mm
Maximum Infill unit thickness
Uf >= 2.09 W/m2∙K
Thermal insulation
Ud ≥ 1.3 W/m2∙K
Thermal insulation
RC2, PAS24:2022, Secured by Design
Burglar resistance
class 2A (50 Pa)
Water tightness
class 2 (450 Pa)
Air Permeability
class C2 (800 Pa)
Wind load resistance
ALT111 Interior door
Aluminium door (standard leaf); Aluminium door (slimline leaf); Aluminium door (full glass leaf); Wooden door;
Door design options
4-12.5 mm (single or double glazed)
Possible infill unit thickness
115 kg
Maximum leaf weight
Plastic clamps (unique patented solution)
Method of infill unit fixation
1100 mm
Maximum leaf width
2500 mm
Maximum leaf height
ALT C43 Non-insulated door
26-107 mm
Internal visible profile width
48-145 mm
External visible profile width
4-26 mm
Possible infill unit thickness
140 kg
Maximum infill unit weight
glass bead profiles
Method of infill unit fixation
up to 33 dB
Acoustic insulation (depending on the infill unit used)
ALT C48 Non-insulated door
26-106 mm
Internal visible profile width
48-150 mm
External visible profile width
4-30 mm
Possible infill unit thickness
140 kg
Maximum infill unit weight
Classic door; Doors with «Fapim» hardware groove; Automatic sliding doors; Pivot doors
Door options
glass bead profiles
Method of infill unit fixation
up to 33 dB
Acoustic insulation (depending on the infill unit used)
ALT W62D Insulated door
up to 2 500 mm
Max leaf height
up to 1 300 mm
Max leaf width
up to 44 mm
Max infill unit thickness
up to 250 kg
Max leaf weight
1,6 W/m2*K
Thermal insulation, Ud (EN ISO 10077-1:2007, EN ISO 10077-2:2012)
PAS 24:2016 (class D)
Burglar resistance
class 2 (300 Pa)
Air permeability (EN 1026:2000, EN 12208:1999)
class 2A (50 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class C4 (1600 Pa; 1/300)
Wind load resistance (EN 12211:2000, EN 12210:1999)
ALT W72TD Terrace Door
up to 2 500 mm
Max leaf height
up to 1 700 mm
Max leaf width
50 mm
Max infill unit thickness
up to 150 kg
Max leaf weight
1,05 W/m2*K
Thermal insulation, Ud (EN ISO 10077-1:2007, EN ISO 10077-2:2012)
RC2/RC3, PAS 24:2016 (class D)
Burglar resistance
class E750 (750 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN 12208:1999)
class C5 (2000 Pa; 1/300)
Wind load resistance (EN 12211:2000, EN 12210:1999)
ALT W72D Insulated door
up to 2 500 mm
Max leaf height
up to 1 250 mm
Max leaf width
up to 200 kg
Max leaf weight
54 mm
Max. infill unit thickness
1,3 W/m2*K
Thermal insulation, Ud (EN ISO 10077-1:2007, EN ISO 10077-2:2012)
RC2, Secured by Design, PAS 24:2016 (class D)
Burglar resistance
class 4A (200 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class 3 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class 4
Impact resistance (EN 13049:2003)
class C3 (1200 Pa; 1/300)
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.