Installation is one of the most important stages of investing in aluminum windows. Even the best designed and manufactured product will lose its properties if it is improperly installed. For this reason, Fintecnic not only supplies high-quality windows but also ensures their professional installation. Errors during the installation stage can result in thermal bridges, leaks, difficult wing adjustment, or even damage to the building structure. Longevity, comfort of use, and thermal insulation parameters largely depend on the quality of installation.
Measurement and positioning – how to properly prepare the opening and correctly set the window in the wall?
Before installation begins, precise measurement of window openings is essential. This stage determines the correct fit of the window to the building structure. Fintecnic places great emphasis on measurement accuracy, taking into account not only the height and width of the opening but also verticals, horizontals, and any wall curvatures. This makes it possible to prepare a product perfectly adapted to the investor’s needs. Installation based on incorrect measurements can lead to leaks, drafts, and structural damage.
Proper positioning of the window in the wall is another key aspect of installation. Depending on the type of wall (single-layer, double-layer, or triple-layer), the window should be installed in the appropriate location. In single-layer walls, it’s best to place it centrally; in double-layer walls, closer to the outer edge; and in triple-layer walls, in the middle of the insulation layer. This has a huge impact on thermal insulation and structural durability. Fintecnic adapts the installation method to the specific type of building, ensuring not only aesthetics but also functionality for years to come.
Mounting, sealing and sill preparation – how to ensure stability, tightness and durability of details?
For the window structure to be stable, it’s necessary to use appropriate fastening elements. Fintecnic uses anchors and dowels adapted to the wall type – brick, cellular concrete, or silicate blocks. The use of support blocks is also crucial, as they prevent frame deformation and ensure even weight distribution. Fastening elements are placed according to standards – usually every 30-40 cm. Professional installation ensures not only safety but also the longevity of the entire joinery.
One of the most important installation activities is proper window sealing. Fintecnic uses the so-called layered method: a vapor-sealing tape is applied from the inside, mounting foam in the middle, and a vapor-permeable or expanding tape from the outside. Such a configuration ensures thermal and acoustic tightness and enables moisture removal to the outside. Fintecnic uses professional tapes and foams, including from companies such as Soudal or Illbruck, which ensures high quality and long-lasting insulation performance.
An often underestimated but very important aspect of window installation is proper preparation for sills. Lack of sub-sill strips or carelessly made gaps under the external sill can result in leaks and moisture formation inside the wall. Fintecnic uses system sub-sill strips and secures all connections with silicone resistant to changing weather conditions. Such installation ensures not only aesthetics but also longevity of the joinery and adjacent finishing elements.
Installation gaps and work acceptance – how to check execution quality and avoid errors?
During installation, special attention should be paid to the width of installation gaps. Too large spaces between the frame and the wall can lead to thermal bridge formation. According to standards, this gap should not exceed 30-40 mm. Fintecnic ensures that each window is positioned with appropriate tolerance, ensuring perfect tightness. Additionally, installation is carried out using laser levels, which allows maintaining accuracy to 1 mm, in accordance with applicable building standards.
After installation completion, it’s worth conducting technical acceptance. You should check wing operation (whether they open smoothly, don’t rub, and don’t sag), seal tightness, and seal condition. A simple test with a sheet of paper allows checking seal pressure force – if the paper falls out without resistance, it may indicate the need for adjustment. Fintecnic conducts installation acceptance together with the client, indicating all applied solutions and training in window operation.
Summary – key points and benefits of proper installation
Proper installation of aluminum windows in Łódź is an investment in energy efficiency, comfort, and durability. Proper measurements, adaptation to wall construction, solid mounting, tight sealing, and careful execution of every detail translate into years of trouble-free use. Fintecnic guarantees installation according to the highest standards, based on experience, precision, and proven technologies. Contact us to arrange a free measurement and plan aluminum window installation with quality that pays off.
