Doors and windows are not sound insulation, affect children's learning, affect the elderly sleep, affect family life. German liefan doors and windows help you install sound insulation windows, make the windows more sound insulation, let your home more warm.
German liefan doors and windows is a comprehensive door and window enterprise integrating R & D, manufacturing, sales and installation services. The production of broken bridge aluminum windows, with the characteristics of sound insulation, noise reduction, sealing and heat preservation, security and anti-theft, can create a quiet and warm home for you.
German liefan doors and windows are made of pure aluminum ingot. The expansion of national standard is strictly installed, and the wall thickness of profile reaches or exceeds the national standard. Adopting the international advanced spraying technology, the doors and windows are characterized by environmental protection, moisture resistance, corrosion resistance, sound insulation and long service life.
Liefan bridge broken aluminum window adopts three chamber insulation design, twelve channel sealing design, and double or three-layer insulating glass. Multi chamber design can effectively block heat conduction, and multi-channel sealing design of fan frame ensures air seal, water tightness and sound insulation and noise reduction of windows. The insulating glass is filled with dry air, desiccant is added around and fixed with aluminum sheet to ensure that the glass will not condense and prevent heat loss. Double or three-layer insulating glass can effectively reduce sound transmission and reduce noise by 30-35db.
German liefan doors and windows adopt European standard c-groove design, which can adapt to multiple brands of hardware, and can realize multiple opening modes such as internal opening and internal inversion. With 20 years of quality assurance and high degree of hardware fit, the sealing between window sash and window frame is stronger. Ensure that the windows will not leak air, affecting the sound insulation performance of windows.
Liefan doors and windows is directly operated by the brand factory in Shanghai. It has an experienced installation service team. The company formulates strict installation and service process standards, so that you can easily shop and experience the sound insulation effect of German service!
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