The product passport must contain all profile parameters, including resistance to low temperatures, or simply indicate the degree of performance. If it is written that the profile belongs to a normal or frost-resistant type, then you can buy without fear, it is designed for negative temperatures.
The design of plastic windows Unlike wooden windows that were installed in apartments in the last century, plastic windows have a more complex design.
Many opponents of PVC windows argue that wood is better for translucent structures, as it "breathes". Most likely, these people do not know about the existence of exprof Aero plastic windows, which allow air to pass through when the leaves are closed, providing a normal indoor climate without drafts, freezing and condensation.
Compared to wood and aluminum, which are traditionally used for window structures, PVC is also more preferable for aesthetic reasons. It is easy to assemble from it not only rectangular structures, but almost any geometric configuration.
Wooden frames need periodic updating of the paintwork, maintenance of PVC windows is not required. And plastic windows are easier to clean than wooden ones.
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It is certification that is a tool to protect the buyer from an unscrupulous manufacturer, and also acts as a guarantor of safety, confirmation of the declared quality indicators of the goods.
The seal should be: as flexible as possible; durable; do not lose their properties at low and high temperatures (-20 ... + 55 0С); do not emit odors and toxic fumes; do not change colors over time.
The window sill and slopes are not structural elements of the window block and are decorative details. Design features of Exprof windows Correct plastic windows must be equipped with a ventilation mechanism to ensure a constant supply of fresh air into the room, an optimal level of humidity and a healthy microclimate. The frame of exprof Aero breathable windows has a built-in ventilation chamber designed to let in and heat air from the outside while maintaining tightness, heat and noise insulation of the structure.
Installation depth In addition to their own heat-shielding properties, such frames allow you to install more durable fittings, thick double-glazed windows and additional contours of insulation and sound insulation. But the width of the profile does not necessarily indicate the number of chambers - there are profiles with fewer cavities, but with a width of 8 or even 9 cm. In terms of general thermal insulation properties, they are better than narrow multi-chamber ones - it is not the number of chambers that matters here, but their size and stock air in them. We can conclude that the greater the installation depth, the better the window in terms of thermal insulation and other characteristics.