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Gaskets system
Chamber structure

Aluminium Window - Decalu 88 Standard


What makes the joinery unique and gives it an individual look is undoubtedly its colour. Thanks to the colour you can perfectly match colour of elevation to the colour of the interior. The more so because the windows can be varnished to a uniform colour, but also in the bicolour formula, which means that the window can have different colour from the outside and inside.

All aluminium systems from our offer are available in two colour palettes – RAL and DECORAL. We also offer adonised joinery.


Basic colour palette. Profiles can take one of 213 smooth colours or colours with sanded and metallic structure.


The palette of woodgrain colours. The aluminium joinery included in our offer may be of the following colours:

  • Oak (D1P1),
  • Oak (D1P2),
  • Oak (D1P7),
  • Cherry tree (C1P7),
  • Cherry tree (C1P1),
  • Pine (S1P1),
  • Walnut (O1P10),
  • Mahogany (M1P8).


Aluminium subjected to the process of adonising not only gains excellent properties (corrosion resistance, higher hardness), but also allow to obtain unique colours.

Our range of colours obtained during the process of adonising has following colours:

  • blasted silver,
  • blasted gold,
  • blasted inox,
  • blasted champagne,
  • blasted olive,
  • blasted brown,
  • blasted black,
  • brushed anode inox,
  • brushed strong anode inox.
  • basic system for other systems from the Decalu line,
  • the system with a thermal break,
  • building depth 83 mm,
  • two gaskets,
  • gaskets integrated with profiles,
  • folding of a frame and sash 83 mm,
  • Uw =0.9 W/m2K (using two-chamber package),
  • Uf from 0.81 W/m2K,
  • maximum glazing thickness 71 mm,
  • standard glazing package 4th/16/4/16/4th*,
  • possibility to create a window with a moveable post,
  • moveable post with a width of 111.5 mm,
  • high waterproof – 2400 Pa,
  • bottom frame dehydration,
  • invisible drainage of the horizontal post,
  • patented protection of a drainage groove,
  • possibility to build renovation windows,
  • possibility to build monoblock constructions,
  • invisible gasket line,
  • system parameters confirmed by the Building Research Institute.

*Standard of the day 17.07.2019. Requires technological confirmation.

Windows based on Decalu 88 standard system are characterized by very good thermal parameters. The heat transfer coefficient of a structure with a two-chamber package is only 0.8 W/m2K (for windows with dimensions 1230×1480 mm). Windows are also characterized by the best waterproof – up to 2400 Pa. This is also the lowest parameters of air permeability in class 4. All of this was possible to achieve thanks to patented, unique solutions offered by the manufacturer. Extraordinary tightness is guaranteed by machine-mounted gaskets and the integration of gaskets with aluminium profiles. Machine-mounted gaskets to the profile ensure stable quality and tightness as opposed to those mounted manually. With a building depth 88 mm, the maximum glazing capacity is 71 mm.

88 standard is a basic system from the Decalu product line. Nevertheless, it already creates huge opportunities for itself. The system is recommended for the production of monoblock or renovation windows.

When talking about construction possibilities of the Decalu 88 standard system we cannot forget about fittings that were separated from the aluminium profiles with the use of PVC profile. Thanks to this patented and proprietary solution, fittings not only work extremely smoothly but are also very good protected against corrosion.

What distinguishes windows made based on Decalu 88 standard system among others is undoubtedly an extremely aesthetic look. Window look very good from the outside and after opening the sash. All gaskets are flat and practically invisible. In addition, the lowest frame and sash folding on the market was achieved – only 83 mm. The smallest width of the central moveable post was also obtained – 111.5 mm. What does it mean? First of all, the window has a larger glazing surface and thus better lighten the interior.

The aesthetic of the window’s construction is also raised by hidden hinges. The application of this solution allowed not only to get rid of unnecessary, visible elements, but also to maintain continuity of gaskets and thus grater tightness of the window. The only visible element of the window fitting is handle, which may be varnished in the colour of a window.

Bearing in mind the appearance of the window, we took care of all details such as shape and look of drainage cap, colour of the fitting, visual flatness of gaskets.

To give an individual and even more interesting look to the joinery, it is worth considering the choice of its colour. Windows in the Decalu 88 standard system are available in RAL palette and in wood-like colours. We also offer adonised joinery.