Introduction Products Windows by SULKO Aluminium windows SULKO SULKO ClassicAl Aluminium Window

SULKO ClassicAl Aluminium Window

The SULKO ClassicAl is an ultimate combination of charm, quality together with presenting an economical solution with itsuse in single-family houses.

Great performance/price

The product range ClassicAl and Classic A1+ presents excellent parameters such as the heat passage coefficient, the possibility of embedding of the glass as well as its dimensions which you would normally expect with more expensive products. Despite having all these outstanding features, it comes at a very affordable price.

Meeting Industry Requirements

ClassicAl and ClassicAl+ comply with building regulations regarding thermal transmittance and ventilation of houses CSN 73 0540-2 as well as regulations of 268/2009 Sb. This enables them to be applied in all single-family and commercial buildings in the Czech Republic.

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Window system with ideal performance/price

SULKO ClassicAl+SULKO ClassicAl
Thermal transmittance of elements of Uw [W/m2K]až 1,0až 1,1
Thermal transmittance of sash of Uf [W/m2K]až 1,9až 2,0
Acoustic insulating system of up to [dB]až 41až 40
Construction depth of sash/casement [mm]70/7970/79
Visible height sash/sash + casement [mm]47-204 / 84-25747-204 / 84-257
Maximum width of embedding of the glass sash/casement [mm]51/6051/60
2-range seal system profile22
Appearance of glazing strips standard finish/an extra chargesquared / arched, slopedsquared / arched, sloped

Product Description
Technical details:
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SULKO ClassicAl Description

The SULKO ClassicAl represents an ideal combination of charm, top quality and last but not least is a money-saving solution with its use in single- family houses.

The aluminium construction has a depth of 70 mm and visible height of 47 mm is characterised as an alternative of the profile with thermal embeddings in thermal bridges which ensure enhanced thermal insulating properties of Uw up to 1,0 W/m2K together with its heat passage coefficient of Uf up to 1,9 W/m2K.

In contrast to the ClassicAl+, the ClassicAl lacks thermal embeddings in thermal bridges. It evokes an optimal combination of performance and price mainly suited for commercial premises. Standard glazing units are equipped with the most proficient thermal insulating properties of Uw up to 1,1 W/m2K and its heat passage coefficient of up to Uf 2,1 W/m2K.

SULKO ClassicAl+ and ClassicAl are equipped with stop-seal system in black and standard glazing strips which are of a contemporary sloped design.

Technical specifications

  • Outstanding performance/price
  • Meets industry standards
  • >
  1. 2-range seal system profile
  2. Flat-recessed sash and casement from the exterior
  3. Embedded thermos-modules in thermal bridges (only with the ClassicAl +)

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SULKO ClassicAl

An alternative to the profile which is not equipped with thermal embeddings in thermal bridges. It can be regarded as a money-saving option mainly applied to commercial premises.

Embedded thermo-modules

Embedded thermo-modules in the ClassicAl+ contribute to improving the value of Uf up to 1,9 and Uw up to 1,0.


The peripheral side of the casements of the aluminium- window profile are flat-recessed with the frames and therefore it creates just the right look.

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