FAQ

What is a velux? A VELUX, formerly associated with a Danish roof window manufacturer, is a roof window often installed in the attic or on a pitched roof. Velux windows are openings in a roof. Increasingly popular, these roof windows offer many advantages. In rooms lacking light, investing in the installation of a skylight is a good idea. It will bring in natural light. This increase in natural light can be up to 40%. The natural light brings a significant comfort of life, particularly in the attic of a house. This comfort is reinforced by the insulating performance of these roof windows. Working like a window, skylights provide both thermal and acoustic insulation. It is well known that heat rises towards the roof and can escape if the insulation is not optimal. This heat loss is often accompanied by high heating bills. Investing in the installation of skylights can improve the EPB certificate of a house. The house will be better insulated, but also better ventilated. The roof windows include a ventilation system that allows constant ventilation of the room. Skylights are also known for their airtightness. Despite their slope, roof windows are accompanied by complex sealing systems that will protect your home from possible damage. The success of velux windows can be explained for different reasons. Firstly, roof windows are available in a variety of sizes, shapes and finishes. They are also easy to use and more practical than a skylight. Velux windows offer different systems, each one adaptable to your needs and your home. They are suitable for all types of roofs with pitches ranging from 15° to 90°. It is possible to install a velux window on new buildings as well as on houses undergoing renovation. What are the different types of velux windows? Among all the existing velux windows, several types can be distinguished. The roof windows can be motorized or manual. Motorised windows are part of the trend towards home automation systems. It is possible to control the opening and closing of your skylights remotely. This option is practical in case of hot weather to regulate the temperature of your home beforehand. Manual roof windows are the most frequently used. The rotational roof window, also known as a tilt and turn window, is the most commonly used skylight. It can be opened up to 180°. It is particularly recommended for roofs from 15° to 90°. This type of window has only one disadvantage: the loss of space. When opened, the upper part of the window will take up space in your living area. Rotating windows are therefore perfect for large spaces or high ceilings. To facilitate opening and closing, there is a manoeuvring bar. A ventilation system is also included to improve the airflow in the room. For smaller spaces, the projection roof window is ideal. Unlike the rotation window, it simply opens outward at a 45° angle. Its main advantage is that it brings more light into a room. It can be installed on roofs with an angle of inclination between 15° and 55°. This is a skylight that opens to the side in the same way as a door. It can open up to 90°. This type of roof window is suitable for all types of roof. The side opening is particularly recommended for people who want to have easy access to their roof. More complex, the balcony window is a possibility and brings a certain comfort. The skylight opens to form a small balcony with a railing. The upper part opens according to the projection system while the lower part opens by tilting. The types of velux used can vary according to the level of comfort. It seems logical that the greater the comfort, the better the roof window will be (resistant to noise, rain, wear and tear). What is the price of a roof window in Belgium? Many factors must be taken into account in order to determine the price of installing a velux. In Belgium, the type of roof window, the price of the installation and the materials used for the frames can affect the total cost of your installation work. It is also essential to take into consideration the size of the velux. The larger the skylight, the more expensive it will be. The type of glazing used for the frames plays an important role in the quote. Unsurprisingly, rain-soundproofed glazing or triple glazing will cost more than single glazing. When drawing up a quotation, the materials used for the window frames must be taken into account. Wood, PVC or aluminium, the prices can change dramatically. Regarding the type of roof windows, it is possible to estimate price brackets. For a revolving roof window, it is necessary to count between 150 € and 1 500 €. The installation is between 200 € and 1 000 €. Its counterpart, the projection skylight, has a lower purchase price: between €75 and €750. The same applies to side-opening roof windows: they cost between €120 and €300. In the last two cases, installation will cost a minimum of €200. Do you need planning permission to install a skylight? For certain types of work, administrative authorisation is very often necessary, or even compulsory, for all owners. For the installation of a skylight in Brussels, according to the CoBAT (Brussels Planning Code), planning permission is not compulsory. This rule only applies if the total surface area of the skylights does not exceed 20% of the roof slope and if the window is invisible from the public space. In the Walloon region, the regulations are governed by the CoDT (Code de Développement Territorial). The installation of roof windows does not require planning permission. However, certain conditions must be met. Firstly, the work carried out on the roof must be on a single level (i.e. one floor only). Secondly, the opening must respect a certain length (it must be less than a quarter of the length of the roof). Finally, if modifications are to be made to the opening, the materials used must be the same as those used for the roof. However, some communes require a small planning permission for the installation of velux. It is therefore recommended that you contact your local council to find out about the legislation in place. In certain specific cases, planning permission will be required. If your property is located within the perimeter of a listed building, you will need to apply for it. Where can you find a good velux installer in Belgium? The installation of a velux is complex. Only an experienced professional can take care of the installation of a roof window. In Belgium, the installation of a velux window does not only consist of the installation of the frame and the glazing. The roof must be worked on to ensure that it is watertight. The specialist must therefore have knowledge of roofing, insulation and window installation. Several trades can take care of the installation of skylights: specialised carpenters, roofing specialists, skylight installers, etc. You can find the best professionals available in Belgium on the TrustUp.be platform. On our website, we offer you a panel of professionals and the possibility to request a quote. The professionals available on our platform are selected according to precise and specific criteria. It is therefore with confidence that you can contact the various specialists in roof window installation;

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Groza Constantin

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ERRENSKA CONSTRUCT SRL

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Kurshel Dakwerken

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PrimeBuild BV / SRL

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