Heat transfer coefficient Uw=0.7 W/m²K
Suitable for installation on pitches from 2° to 15°
Convenient operation with the included ZRH1 remote control
Suitable for installation on an additional XRD or XRD/W base
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Flat roof window DEF DU6 Z-Wave with ZRH1 remote control
Brighten your interior with the DEF DU6 Z‑Wave window, designed specifically for flat roofs and combining convenience, elegance and excellent performance. It is an ideal choice for rooms where natural light and airtightness are a priority. The DU6 glazing unit ensures safety and excellent insulation properties, while the large glazing area visually enlarges the space. Multi‑chamber PVC profiles filled with insulation provide durability and resistance to weather conditions. The flat design with an elegant glass segment emphasizes the modern character of the building, blending aesthetics with functionality.
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Comfortable operation and all-weather durability
The DEF DU6 Z‑Wave model allows the sash to open up to 12 cm using the ZRH1 remote control, significantly enhancing everyday convenience. The rain sensor automatically closes the sash during precipitation, protecting the interior from moisture.
The triple‑glazed DU6 unit provides excellent thermal insulation — Uw = 0.7 W/m²K — reducing heat loss in winter and preventing overheating in summer. The toughened outer pane, laminated inner pane (P2A class) and multi‑chamber PVC profiles filled with insulation ensure durability and safety, regardless of weather conditions.
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Practical solution for flat roofs
The DEF DU6 Z‑Wave window is designed for installation on flat roofs with pitches between 2° and 15°. If the roof pitch is below 2°, or if increasing the installation angle is recommended, the XRD‑A angular installation base should be used. For green roofs, gravel roofs or ventilated roof structures, the XRD and XRD/W installation bases may be applied, raising the window above the finishing layers and ensuring proper water drainage. The clean, elegant form of the DEF window blends perfectly with modern architecture. The window can be fitted with internal accessories as well as an external awning blind that reduces heat gain.
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Glass with steppe
The D_F flat roof window combines functionality with elegant design inspired by contemporary architecture. The standard version features glass with a black steppe, which emphasises its minimalist character and blends in perfectly with the structure of modern buildings. Additionally, the window is available in the ColourLine version, which allows for personalisation thanks to a wide range of 200 RAL Classic colours, ensuring consistency with the roof colour and the character of the building.
Glazing unit DU6
The DU6 double-chamber glazing unit incorporated into this product offers very good thermal insulation properties. The P2A class laminated inner glass increases safety by protecting the interior in the case of breakage. The outer toughened glass is covered by a lifetime hail resistance warranty, ensuring durability and reliability in all weather conditions. With a heat transfer coefficient of 0.7 W/m²K for the entire window, the DU6 glazing unit effectively reduces energy loss, guaranteeing high thermal comfort inside the room.
Frame
The window structure is based on a frame made of white PVC profiles (RAL 9010) with a multi-chamber design, filled with insulating material. As a result the frame is highly resistant to moisture and cleaning agents, which makes it ideal for rooms with high humidity, such as bathrooms or laundry rooms. The entire structure is durable and requires no regular maintenance, and its light colour scheme makes it easy to match with a variety of interior designs.
Actuator
The window is equipped with the ZWS12 electric actuator, which ensures smooth and quiet opening and closing of the sash. The device operates in the Z-Wave wireless system, which allows for remote control using the ZRH1 remote control. The maximum sash tilt is 12 cm, ensuring effective room ventilation. The actuator’s robust design guarantees reliable operation and a long service life, while the option of integration with home automation systems increases the comfort of everyday use.
Rain sensor
When rainfall is detected, the ZRD rain sensor mounted on the window sash sends a signal to the actuator, triggering the automatic closure of the roof window. The rain sensor is a practical, convenient solution that increases safety and comfort in everyday use. It is maintenance-free, requires no programming and effectively protects the interior from flooding, even when the occupants are away.
Remote control
Designed with user comfort in mind, the compact Z-Wave radio controller allows you to control a single group of devices, to which you can add up to 12 roof windows. The ZRH1 remote control stands out with its minimalist design, which fits perfectly into modern interiors, and its simplicity and reliability make everyday window control quick and comfortable.
Characteristic features
Our products stand out for what truly matters. Discover the features that make them reliable and exceptional in everyday use.
Maximum interior daylighting
Modern buildings with flat roofs do not have to mean limited access to natural daylight, as the use of properly designed windows allows interior spaces to be effectively illuminated. Thanks to specially engineered profile construction, the glazed area can be increased by up to 16%, resulting in noticeably brighter and more comfortable interiors.
Structural durability
Flat roof windows are equipped with advanced glazing units, in which the external pane is made of toughened glass, while the internal pane features P2A safety classification. This solution increases resistance to damage and, in the event of glass breakage, significantly reduces the risk of hazardous fragments.
Year‑round comfort of use
A stable frame made of multi‑chamber PVC profiles filled with thermal insulation material helps maintain proper indoor conditions inside the building. In practice, this results in improved user comfort, especially when replacing older solutions with modern windows offering enhanced performance parameters.
Specification DEF DU6 Z-Wave with ZRH1 remote control
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