Windows
ALT W72AW Aluminium-wood windows
up to 2 600 mm
Max sash height
up to 1 650 mm
Max sash width
50 mm
Max infill unit thickness
up to 150 kg
Max sash weight
Uw >= 0.8 W/(m²K)
Thermal insulation in accordance with EN ISO 10077-2
class E1200 (1200 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class CE2400 (2400 Pa; 1/300)
Wind load resistance (EN 12211:2000, EN 12210:1999)
up to 41dB
Acoustic insulation (EN ISO 10140-2:2011, EN ISO 10140-4:2011)
ALT W77VS Highly insulated ventilation sash
3000 mm
Maximum sash height
180 mm/280 mm
Sash width
ALT W77 Highly insulated window with hidden sash
2500 mm
Maximum sash height
1600 mm
Maximum sash width
150 kg
Maximum infill unit weight
68 mm
Maximum infill unit thickness
Uf = 1.63 W/m2∙K
Thermal insulation
Uw >= 0,7 W/m2∙K
Thermal insulation
class E1200 (1 200 Pa)
Water tightness
class 4 (600 Pa)
Air permeability
class C5 (2 000 Pa)
Wind load resistance
ALT W77W Highly insulated window
2500 mm
Maximum sash height
1600 mm
Maximum sash width
150 kg
Maximum infill unit weight
68 mm
Maximum infill unit thickness
Uf = 1.24 W/m2∙K
Thermal insulation
Uw >= 0,7 W/m2∙K
Thermal insulation
class E1200 (1 200 Pa)
Water tightness
class 4 (600 Pa)
Air permeability
class C5 (2 000 Pa)
Wind load resistance
up to 47 dB
Acoustic performance
ALT С43 Non-insulated window
26-107 mm
Internal visible profile width
44-145 mm
External visible profile width
26 mm
Max infill unit thickness
140 kg
Maximum infill unit weight
tilt and turn sashes
Types of integrated constructions
glass bead profiles
Method of infill unit fixation
up to 33 dB
Acoustic insulation (depending on the infill unit used)
ALT С48 Non-insulated window
26-106 mm
Internal visible profile width
48-150 mm
External visible profile width
30 mm
Max infill unit thickness
140 kg
Maximum infill unit weight
turn only, T&T, sliding windows
Types of integrated units
glass bead profiles
Method of infill unit fixation
up to 33 dB
Acoustic insulation (depending on the infill unit used)
ALT W62 Receiptor
up to 2 500 mm
Max sash height
up to 1 600 mm
Max sash width
50 mm
Max infill unit thickness
up to 150 kg
Max sash weight
1.3 W/m2*K
Thermal insulation, Uw (EN ISO 12567-1:2011)
PAS 24:2016 (class W)
Burglar resistance
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class E1500 (1500 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class B5 (2000 Pa; 1/200)
Wind load resistance (EN 12211:2000, EN 12210:1999)
up to 36 dB
Acoustic insulation (EN ISO 10140-2:2011, EN ISO 10140-4:2011)
ALT W62R Renovation window system
up to 2 500 mm
Max sash height
up to 1 600 mm
Max sash width
50 mm
Max infill unit thickness
up to 150 kg
Max sash weight
1,3 W/m2*K
Thermal insulation, Uw (EN ISO 12567-1:2011)
PAS 24:2016 (class W)
Burglar resistance
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class E1500 (1500 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class B5 (2000 Pa; 1/200)
Wind load resistance (EN 12211:2000, EN 12210:1999)
up to 36 dB
Acoustic insulation (EN ISO 10140-2:2011, EN ISO 10140-4:2011)
ALT W62VS Ventilation sash
up to 3 000 mm
Max sash height
180 and 280 mm
Sash width
ALT W62HS Insulated window with hidden sash
Up to 2 450 mm
Max sash height
Up to 1 600 mm
Max sash width
40 mm
Max infill unit thickness
Up to 150 kg
Max sash weight
1,3 W/m2*K
Thermal insulation, Uw (EN ISO 12567-1:2011)
PAS 24:2016 (class W)
Burglar resistance
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class E1500 (1500 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class B5 (2000 Pa; 1/200)
Wind load resistance (EN 12211:2000, EN 12210:1999)
up to 36 dB
Acoustic insulation (EN ISO 10140-2:2011, EN ISO 10140-4:2011)
ALT W62W Insulated window
up to 2 500 mm
Max sash height
up to 1 600 mm
Max sash width
50 mm
Max infill unit thickness
Up to 150 kg
Max sash weight
1.3 W/m2*K
Thermal insulation, Uw (EN ISO 12567-1:2011)
PAS 24:2016 (class W)
Burglar resistance
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class E1500 (1500 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class B5 (2000 Pa; 1/200)
Wind load resistance (EN 12211:2000, EN 12210:1999)
up to 36 dB
Acoustic insulation (EN ISO 10140-2:2011, EN ISO 10140-4:2011)
ALT W72 Receiptor
up to 2 500 mm
Max sash height
up to 1 600 mm
Max sash width
58 mm
Max infill unit thickness
up to 150 kg
Max sash weight
0,84 W/m2*K
Thermal insulation, Uw (EN ISO 12567-1:2011)
PAS 24:2016 (class W)
Burglar resistance
class E1200 (1200 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class CE2400 (2400 Pa; 1/300)
Wind load resistance (EN 12211:2000, EN 12210:1999)
up to 41 dB
Acoustic insulation (EN ISO 10140-2:2011, EN ISO 10140-4:2011)
ALT W72R Renovation window system
up to 2 500 mm
Max sash height
up to 1 600 mm
Max sash width
58 mm
Max infill unit thickness
up to 150 kg
Max sash weight
0,84 W/m2*K
Thermal insulation, Uw (EN ISO 12567-1:2011)
PAS 24:2016 (class W)
Burglar resistance
class E1200 (1200 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class CE2400 (2400 Pa; 1/300)
Wind load resistance (EN 12211:2000, EN 12210:1999)
up to 41 dB
Acoustic insulation (EN ISO 10140-2:2011, EN ISO 10140-4:2011)
ALT W73CW Casement window
up to 2 200 mm
Max sash height
up to 1 700 mm
Max sash width
48 mm
Max infill unit thickness
up to 180 kg
Max sash weight
Uw>=1.4 W/m²·K
Thermal insulation, Uf (EN ISO 12567-1:2011)
PAS 24:2016 (class W)
Burglar resistance
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
side hung - class 8A (450 Pa), top hung - class E1500 (1500 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
side hung - class C5 (2000 Pa; 1/300), top hung - class CE2400 (2400 Pa; 1/300)
Wind load resistance (EN 12211:2000, EN 12210:1999)
ALT W72CW Casement window
up to 2 200 mm
Max sash height
up to 1700 mm
Max sash width
56 mm
Max infill unit thickness
up to 180 kg
Max sash weight
Uf>=1,9 W/m2*K
Thermal insulation (EN ISO 12567-1:2011)
PAS 24:2016 (class W)
Burglar resistance
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class E1500 (1500 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class CE2400 (2400 Pa;1/300)
Wind load resistance (EN 12211:2000, EN 12210:1999)
ALT W72VS Ventilation sash
up to 3 000 mm
Max sash height
180 and 280 mm
Vent width
ALT W72HS Insulated window with hidden sash
up to 2 700 mm
Max sash height
up to 1 600 mm
Max sash width
50 mm
Max infill unit thickness
up to 150 kg
Max sash weight
>=1,05 W/m2*K
Thermal insulation, Uw (EN ISO 12567-1:2011)
PAS 24:2016 (class W)
Burglar resistance
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class E1200 (1200 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class C5 (2000 Pa; 1/300)
Wind load resistance (EN 12211:2000, EN 12210:1999)
up to 41dB
Acoustic insulation (EN ISO 10140-2:2011, EN ISO 10140-4:2011)
ALT W72W Insulated window
up to 2 500 mm
Max sash height
up to 1 600 mm
Max sash width
58 mm
Max infill unit thickness
up to 150 kg
Max sash weight
0,84 W/m2*K
Thermal insulation, Uw (EN ISO 12567-1:2011)
PAS 24:2016 (class W)
Burglar resistance
class E1200 (1200 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)
class 4 (600 Pa)
Air permeability (EN 1026:2000, EN12207:1999)
class CE2400 (2400 Pa; 1/300)
Wind load resistance (EN 12211:2000, EN 12210:1999)
up to 41 dB
Acoustic insulation (EN ISO 10140-2:2011, EN ISO 10140-4:2011)
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.