We produce different types of wooden windows. | Lesena okna Košak

Windows Kosak are a reliable choice for you

ENQUIRY

WINDOW KOSAK A+ NEW LINE

Ug = 0,6 W/m²K

Uf = 1,3 W/m²K

Uw = 0,9 W/m²K

D = 78 mm

WINDOW KOSAK A+

Ug = 0,7 W/m²K

Uf = 1,3 W/m²K

Uw = 1,0 W/m²K

D = 78 mm

WINDOW KOSAK alu 23 PASSIV

Ug = 0,5 W/m²K

Uf = 1,3 W/m²K

Uw = 0,82 W/m²K

D = 78 mm

WINDOW KOSAK A+ ALIGNED

Ug = 0,6 W/m²K

Uf = 1,3 W/m²K

Uw = 0,9 W/m²K

D = 78 mm

WINDOW KOSAK alu A+ (f12)

Ug = 0,5 W/m²K

Uf = 1,3 W/m²K

Uw = 0,82 W/m²K

D = 78 mm

WINDOW KOSAK alu A+ (f4)

Ug = 0,7 W/m²K

Uf = 1,3 W/m²K

Uw = 1,0 W/m²K

D = 78 mm

WOODEN FIRE- PROOF WINDOW EI60 FIRE

Ug = 1,1 W/m²K

Uf = 1,1 W/m²K

Uw = 1,4 W/m²K

D = 95 mm

WINDOWS PROTECTED AS HISTORIC MONUMENTS

Ug = W/m²K

Uf = W/m²K

Uw = W/m²K

D = mm

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