Veka energy-efficient windows for passive buildings
Veka energy-efficient windows for passive buildings


Outstanding technical performance, high quality of a classically shaped 6-chamber profile makes Veka Alphaline a standout window for the most demanding customers. Due to the exceptional thermal insulation Veka Alphaline is dedicated for passive buildings.

VEKA uPVC windows - class A profiles

All VEKA window profiles are classified according to PN-EN 12608 norm as the highest Class A. This classification confirms the thickness of the outer wall of the profiles of 3 mm (with a tolerance of 0.2 mm). Class A profiles perfectly protect against heat loss and noise and also increase the stability and durability of windows. According to the studies class A profile corners are 10-20% more resistant to damage.

Energy-efficient windows for passive buildings

Thick walls of robust 90mm, 6-chambers profile supported by triple-sealing made from high quality EPDM rubber and triple-glazed unit equipped with additional thermal breaks provide spectacular heat, sound and moisture insulation. In a basic variant Veka Alphaline achieves heat transfer coefficient of 1.1 W /m2*K. Thermal insulation performance can be increased by using the thickest available triple-glazed units and thermal breaks within frame and sash. Veka Alphaline windows are successfully used for passive buildings.

Triple-glazed windows

Triple-glazed, deep mounted unit provides efficient thermal and sound insulation. Available glazing units range from 24 to 50mm.

Solidity and security

Galvanized steel reinforcements with a thickness of 1.5-3 mm provide excellent stability of the windows and protection against burglary. High quality window hardware and deep mounting of glazing unit ensures that windows are extremely robust and resistant to weather and mechanical damage.

Elegant and functional windows

Classic shape of the profile with rounded edges of the frame and sash gives Veka Alphaline windows classic and elegant appearance. Wide range of  colours, availability of smooth and wood-like veneers and a wide range of accessories allow windows to have personal touch. Light gray, hardly visible gaskets match well with  classic look of the window.

Windows with arches, triangular windows, trapezoids, circles

The Veka system allows the making of windows in unusual shapes.  We have experience in the production of windows with arches and triangular, trapezoidal and round windows.

Veka windows - competitive price

To manufacture our Veka windows we work with carefully selected polish manufacturers. This ensures all our Veka windows are of the highest quality and offered at competitive price.

uPVC made-to-measure windows

Our clients can specify dimensions, colours number of sashes and additional profiles. Variety of technical solutions enable production of large dimension windows undertaking the most sophisticated custom orders even when ordering just one window.

Images are for reference purposes only.

Installation depth  90mm
Number of chambers  6 chambers
Heat transfer coefficient  Uf = 1,1 W/m2*K
Profile class  A
Weather stripping  Central triple with EPDM, grey/black
Available pane fixations thicknesses  24 mm - 50mm
Standard glazing   4/16Ar/4/16Ar/4 (Rw=32dB, Lt=71%, g=50%)
Standard handle  Hoppe Secustic
Steel thickness  1,5 - 3,0 mm (enclosed in a frame)
Dyed profile core for 2s colors  Yes: brown or caramel core
Warranty  5 years for the whole window
Certificates  CE
Order processing time  from 4 weeks


Additional parameters

Window colors
Additional profiles and accessories
Ornamental window panes
Windows with roller shutters

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veka alphaline

veka alphaline plus

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