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 Interesting article: Heat? Even hotter!To characterize the properties of heat windows, there is a special option (it is indicated by R0). His desired value depends on climatic conditions, respectively, differed between regions. For example, in Astrakhan minimum R0 is 0.40, in Yakutsk - 0.76, while in Moscow - 0,54. So, now the most common PVC profiles are R0 = 0,60-0,82. But glazing inserted in these profiles, far below modern standards. The main objective of the consumer - to choose wisely glazing to the profile. But - all in order.Chamber performance Window profile is the honeycomb structure is divided into multiple hollow chambers. The main rule: The more of these cameras and what they volume (in the normal thickness of cameras should be about 10 mm), the better it retains heat profile. But when the seller will demonstrate the cross-section profile with multiple cameras, keep in mind: Only those who are in the direction of street-room (cross-camera "work" only for strength). In practice profiles of the two-to pyatikamernyh. What they are, I repeat, so warmer profile. Japan's climatic conditions, in principle, just two, but it is - at least. The fact is that most camera is designed to accommodate a metal amp, and the Heat values are small. The basic trade-off in the windows of PVC profile is the correct choice of the ratio of strength and heat: the higher profile within the protective cells, the smaller (and strength!) Metal amp, it can be placed. Therefore, for small items preferred warmer profiles, and in the case of large size is a defining strength. The thickness of the profile is not overly influenced by his Heat sfoystva, just as it is thicker, the more internal cameras, you can place in the profile. However, in place of windows Adjacent to the wall thickness profile frame marked effect on heat loss . Most profiles have a thickness of 58-62 mm, but especially thick wall (between 600 mm) of the architects recommend specific profile thickness over 100 mm. Finally, it is important to the existence of secondary sealing the junction of the frame and mounted. This seal divides the gap between the frame and leaf of two cameras and provides the best warming. Your glass-packet The biggest area (80%) in the window is glazed, in other words, glass-packet. Glass packet - so nerazbornaya construction of two or three (not recommended), glasses, tightly together on the perimeter. IGU with two glasses are called single, with three - double. Most common in Russia insulating glass units have the following options: single 24 mm R0 = 0,32; double 32 mm R0 = 0,46; double 44 mm R0 = 0,52. In other words, the first option threatens to freeze in Moscow, the second (when combined with warm profile, for example, R0 = 0,75) almost guarantees a normal temperature, the third reliably protects you in any frosts. But we are in this case led to the usual parameters of double-glazed windows, but qualitative, glasses (they are marked as M1), filled with dry air. There are other options for insulation, except for the thickness of insulating glass unit. There are special heat saving windows that reflect withdrawing from the room thermal radiation. The most common in Russia so-called K-glass. Set heat saving glass from the premises, reflecting the inside layer of insulating glass unit. To distinguish it from conventional glass layman difficult, so in case of doubt, contact the manufacturer of insulating glass unit. For comparison: single glass-packet thickness of 24 mm, with K-glass is R0 = 0,53, which is almost a minimum of Moscow. Moreover, the practice of filling the inner chamber of insulating glass unit, instead of dry air with inert gas (in Russia is mainly argon). The biggest effect is produced in the sharing of Thermal glass windows and an inert gas: argon-filled glass -packet single thickness of 24 mm, with K-glass is R0 = 0,59. Feel the difference. Incidentally, in the technical documentation, you may experience maloponyatnoy at first glance marked, for example: 4M1-Ar16-K4. In fact, everything is simple: here external glass thickness of 4 mm mark M1, 16 mm camera, filled with argon instead of air, and inside heat saving K-glass thickness of 4 mm (total thickness of insulating glass unit 24 mm). And all of this together is guaranteed a comfortable setting R0 = 0,59. In conclusion, I want to reiterate that properly designed box, all of its components must be consistent with each other. |
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