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Glass panes

Aside from the ALU profile, the insulation properties of ALU windows also depend on the glazing method. Lately, with increased awareness and necessity to save energy, there is a higher representation of triple-layer 44 mm thick glass panes, with the 4-16-4-16-4 composition, low-e coating, and gas fills. At Iveta, we produce the glass panes ourselves and we are able to fully control the quality of the final product and reduce the production and delivery time.

Appearance of your home

The modern construction industry is lately increasingly leaning toward aluminium, which is one of the leading materials thanks to the fact that it is light and strong, easy to work, and resistant to various weather conditions. Those are the reasons why aluminium joinery is popular in modern construction, and architects are fond of it. Aside from standard aluminium joinery, the aluminium-wood combination is also increasing in popularity. The best qualities of these two materials are combined – strength of aluminium and the excellent insulation properties of wood.


Fixed aluminium panels allow you to maximise the space in your home and to use a simple system to allow more natural light to enter the room. Sliding aluminium panels are divided into sliding panels without a thermal bridge and sliding panels with a thermal bridge. Also, sliding panels are divided according to the way they open into turn-slide, lift-slide, and fold-slide panels. Further classification of those includes simple sliding panels, turn-slide, and folding (accordion or folding) sliding panels. The selection of the sliding panels will depend on the needs and desires of the buyer, but also on the dimensions and functional requirements. The most cost-efficient way of closing smaller openings is to use standard patio doors. The advantage of these doors it the possibility of opening the entire surface of the element, and they can also be in the tilted position or in the position that allows the circulation of air. If we are dealing with larger dimensions, we must use one of the sliding variants. Those elements allow for larger dimensions and simple and reliable handling. Some of the sliding panels can be used to close openings which are over 5 metres wide.

The RAL colour palette

It represents the colours from the RAL 840HR Colour Register, developed in the German Institute of Quality Assurance (RAL), where colours have numerical designations. The Colour Register is divided into eight groups of colours with numerical designations that partially overlap. The following characteristic numbers have been selected for the RAL groups of colours: RAL 1000 yellow colours RAL 2000 orange colours RAL 3000 red colours RAL 4000 purple colours RAL 5000 blue colours RAL 6000 green colours RAL 7000 grey colours RAL 8000 brown colours RAL 9000 white and black aluminium shades.


The aluminium profiles we use have a certificate from Ift Rosenheim. Ift Rosenheim GmbH Germany is an authorised European body for testing, supervision, and certification, with an international accreditation according to DIN EN ISO/IEC 17025, authorised to set the rules for defining and assuring quality.

Joinery maintenance

ALU doors and windows should occasionally be wiped using a damp cloth and warm water. We do not recommend using coarse sponges and wire sponges, or cleaning agents of any kind. Regularly remove dust and other residue from the profiles, fittings, gaskets, and from the edges of the profiles.