8 reasons to contact us
and be confident in the result
Installation work takes 2-3 hours
How does the window installation process go from start to finish?
We will make an accurate calculation based on your dimensions and help you decide on the profile and configuration
We consider all features of the installation location: presence of skew or quarters, wall material, and other parameters that affect installation quality
You can sign the contract either on-site or upon arrival at our office
Installing windows won't take much time! Average installation speed – 1 — 1.5 hours.
Our plastic windows serve customers for decades
Author: Arman Nurgaliyev, Chief Technical Specialist for Translucent Structures
How to choose a Deceuninck window profile in Astana: the physics of heat and benefit calculation
When it is -40 °C outside and the steppe wind is literally trying to blow the heat out of the apartment, homeowners in Astana stop looking at the brand and start studying the thermal conductivity figures. In 12 years of work, I have seen hundreds of properties where saving on quality led to icing on the windowsills in the very first December. To avoid such problems and ensure a comfortable indoor climate, experts recommend choosing time-tested Deceuninck plastic windows.
Evolution of PVC: why old standards no longer work?
Windows installed 15 years ago are predominantly three-chamber systems with a depth of 58–60 mm. Their main drawbacks: thin reinforcement and shallow glazing unit seating depth, causing the spacer frame to freeze first. Modern Deceuninck systems have increased the installation depth to 71–84 mm. This allowed the introduction of 5–6 air chambers and three sealing contours. Today's technologies solve the problem of 'crying' windows by shifting the isotherm indoors.
Many manufacturers have tried to introduce fully composite metal-free profiles, but in Astana's conditions they could not withstand the test of linear expansion. For our climate, it is critically important that the structure contains high-quality and rigid plastic windows Deceuninck. Only such a combination of materials guarantees that the sash will not warp during sharp temperature changes from daytime sun to nighttime frost.
Comparison of systems for the climate of northern Kazakhstan
Parameter | Deceuninck Enwin | Deceuninck Bautec Neo | Deceuninck Elegant |
Frame width | 60 mm | 71 mm | 76-84 mm |
Chambers | 3 | 5 | 6 |
Double-glazed window (max) | 32 mm | 47 mm | 56 mm |
Thermal protection (m²°C/W) | 0.68 | 0.92 | 1.1 |
Choosing Elegant for maximum energy savings, the customer pays for premium design and excessive strength. The main compromise of the Bautec Neo series is the standard glazing bead, which is inferior to Elegant in aesthetics but fully covers thermal engineering tasks. If you are looking for a balance between cost and performance, it is worth finding out in advance what the price is for the selected Deceuninck windows.
Expert advice from Arman Nurgaliyev: 'Always demand steel reinforcement with a thickness of at least 1.5 mm. In high-rise buildings on the Left Bank, wind load can deform plastic if there is thin 'rough' metal inside. This will lead to irreparable drafts after 2 years.'
Glazing economics: calculating benefit and durability
The heating season in the capital lasts more than 200 days. Up to 40% of heat is lost through poor-quality openings. The Deceuninck profile works like a thermos: the multi-chamber structure slows down heat exchange between the street and the room. The investment pays off within 3–4 season due to reduced heating bills. The reliability of mechanisms and the resistance of plastic to ultraviolet light are the main reasons why professionals choose Deceuninck windows.
Technical specification of the profile
Characteristic | Value | Result for the owner |
Temperature threshold | from -60 to +75 °C | Plastic does not crack or turn yellow |
Service life | 60 years | No replacement costs for decades |
Ecology | Ca-Zn (lead-free) | Safe for allergy sufferers and children |
Seal | TPE (welded) | Corner tightness without manual gluing |
For standard apartments, the Bautec Neo system is optimal. It is 15% more efficient than standard "five-chamber" systems due to its unique wide rebate. If the renovation budget is strictly limited, you can consider more affordable Deceuninck windows, but only for glazing loggias or unheated rooms where thermal insulation requirements are not as high. It is important to understand: high airtightness requires mandatory micro-ventilation, otherwise humidity will increase in the room.
3 technical facts about Deceuninck
- The TPE seal does not harden at -40 °C, maintaining elasticity for a tight sash closure.
- Shifting the hardware groove by 13 mm increases the window's burglary resistance.
- The unique slope of the rebate ensures instant drainage of condensate to the outside, eliminating corrosion of the hardware.
How to distinguish an original product from an imitation?
On every meter of the original product, in the fitting groove or on the end, a laser marking is burned: batch number, date, and country of production. If the marking is missing or easily erased, you are looking at a counterfeit. Often, unscrupulous assemblers save on internal components. Remember that the original and high-quality Deceuninck profile always comes with reinforcement of the appropriate thickness specified in the manufacturer's system passport.
Expert advice from Arman Nurgaliyev: "Check the glazing bead. In Deceuninck, it is double-bladed. It snaps in so tightly that it is almost impossible to knock it out from outside, which is important for the safety of first floors."
Many clients ask what to pay attention to first when ordering. In addition to technical characteristics, the reputation of the processing plant plays a huge role. If you are offered a suspiciously low price, it is most likely not an original Deceuninck profile, but its budget visual analogue with completely different physical properties of plastic.
Configuration: the role of the double-glazed unit in the system
Plastic is the frame. 80% of the cold penetrates through the glass. For Astana, I recommend a double-chamber unit with energy-saving coating and argon. Argon is denser than air, it creates a barrier against convection inside the unit. This combination guarantees that your new Deceuninck windows will turn into a full-fledged thermal wall, protecting against any weather whims.
Efficiency of glazing types
Package type | Heat retention | Noise protection | Applicability |
4-10-4-10-4 (regular) | 0.47 m²°C/W | 32 dB | Old GOST standards |
4-12Ar-4-12Ar-4i (energy) | 0.82 m²°C/W | 36 dB | Apartments in Astana |
6-14Ar-4-14Ar-4i (acoustic) | 0.85 m²°C/W | 42 dB | Homes near noisy highways |
Any complex technology is a compromise. For example, multifunctional glass with a mirror effect perfectly protects against heat in summer but slightly reduces light transmission in winter. Nevertheless, for the harsh winters of Astana, the optimal choice in terms of reliability and durability is Deceuninck plastic windows, the price of which is justified by the absence of heat loss.
Installation: the final stage of reliability
Even the best profile is useless if installation technology is violated. In our region, mounting foam must be protected from UV light and moisture. We use a three-layer joint according to GOST. For a window to last for decades, you must choose only original Deceuninck, installed by a certified team considering the capital's wind maps.
Expert advice from Arman Nurgaliyev: 'Do not remove the protective film until the end of renovations, but remove it within 45 days after installation. The adhesive polymerizes under the sun, and later the film will only come off along with the plastic gloss.'
Quality windows are a long-term asset. Our team provides a full cycle: from measurement by a technical specialist to service maintenance of installed systems in Astana.
honest reviews from our clients
