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
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Flat roof window DXC-C P4 Secure
The DXC-C P4 Secure model is a non-opening window designed for flat roofs, combining increased security with robust thermal insulation parameters. These solutions effectively illuminate rooms where traditional vertical glazing is not possible. The product meets the requirements of class RC2 according to EN 1627, which confirms its resistance to burglary attempts using mechanical tools.
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Safe access to light
The design incorporates a single-chamber P4 glazing unit, in which the outer toughened glass is combined with an inner P4A laminated glass. The glazing cavity is filled with argon, enabling a Ug coefficient of 1.1 W/m²K and a U value rated at 1.2 W/m²K. These parameters ensure stable thermal conditions in the room, and the Rw 35 dB acoustic insulation improves comfort of use even in locations exposed to external noise.
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Tailored to your needs
This model is designed for installation on roofs with pitches from 0° to 15°, with the option of raising it using an XRD or XRD/W installation base, which allows the product to be mounted on green roofs. The transparent polycarbonate dome facilitates natural lighting. Compatibility with external and internal accessories allows for further customisation of the window to suit the user's needs, both in terms of functionality and sun protection.
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Dome
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.
Glazing unit
The P4 glazing unit used in the window is a single-chamber construction consisting of a set of panes marked 4H – 14 – 33.4T. This unit is filled with noble gas (argon), which further enhances its thermal insulation properties. The internal P4A class laminated glass provides protection against burglary attempts and meets the requirements of European resistance class RC2 according to EN 1627. The glazing unit achieves a heat transfer coefficient of Ug = 1.0 W/m²K, while the total coefficient for the window is U = 1.2 W/m²K, which proves its high energy efficiency.
Specification DXC-C P4 Secure
