Heat transfer coefficient U=1.2 W/m²K
Anti-burglary class RC2
Suitable for installation on pitches from 0° to 15°
Fixed, non-opening structure
Flat roof window DXC-M P4 Secure
The DXC‑M P4 Secure model is a non-opening flat roof window that combines an enhanced level of security with solid thermal‑insulation performance. The applied solutions make it possible to illuminate rooms where the installation of traditional vertical glazing is not feasible. The product meets the requirements of the RC2 resistance class according to EN 1627, confirming its resistance to attempted break‑ins using mechanical tools.
Safe access to natural light
The construction features a single‑chamber P4 glazing unit in which the outer toughened pane is bonded to an inner laminated pane of class P4A. The glazing cavity is filled with argon, enabling a Ug value of 1.1 W/m²K and a U value of 1.2 W/m²K. These parameters ensure stable thermal conditions inside the rooms, while the acoustic insulation level of Rw 35 dB improves user comfort even in locations exposed to external noise.
Tailored to your needs
This model is designed for installation on roofs with pitches between 0° and 15°, with the option of raising the window using the XRD or XRD/W installation base — allowing the product to be installed, for example, on green roofs. The transparent polycarbonate dome facilitates natural daylight illumination inside the room. Compatibility with both external and internal accessories enables further customization of the window to suit the user’s needs, in terms of functionality as well as solar protection.
The external window cover in the form of a transparent dome is made of durable polycarbonate – a material with high resistance to mechanical impact and changing weather conditions. Polycarbonate is characterised by low weight while maintaining high rigidity and structural durability, reducing the load on the roof structure. The dome has double-sided UV protection coatings that protect its surface from tarnishing and degradation. The transparent form ensures optimal daylight transmission while reducing the penetration of harmful radiation. The factory-fitted dome is an integral part of the window, increasing the tightness of the entire structure.
Nasze produkty wyróżniają się tym, co naprawdę ma znaczenie. Poznaj cechy, które czynią je niezawodnymi i wyjątkowymi w codziennym użytkowaniu.
Interior lighting
The use of polycarbonate domes allows natural light to be effectively brought into rooms located under a flat roof. The transparent surface and protective coatings reduce UV radiation penetration and maintain the product's aesthetic appeal for a long time.
Safety of use
Toughened external glass and P2A class laminated internal glass provide effective protection against mechanical damage, including hailstorms. The design of individual models meets high standards of durability and resistance, which translates into reliability in difficult weather conditions.
Energy-efficient design
PVC profiles with thermal insulation filling and carefully selected glazing units reduce heat loss, supporting thermal comfort in the building. The insulation parameters reach levels suitable for both standard construction and houses with increased energy requirements.
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