{"id":1641,"date":"2024-05-15T12:30:22","date_gmt":"2024-05-15T12:30:22","guid":{"rendered":"https:\/\/www.windowglass.sk\/vyroba\/thermally-insulating-double-glazing\/"},"modified":"2024-05-15T12:30:22","modified_gmt":"2024-05-15T12:30:22","slug":"thermally-insulating-double-glazing","status":"publish","type":"production","link":"https:\/\/www.windowglass.sk\/en\/vyroba\/thermally-insulating-double-glazing\/","title":{"rendered":"Thermally insulating double glazing"},"content":{"rendered":"

Thermal insulating glass is a highly rated new generation of insulating double glazing that meets the high requirements of effective thermal insulation.
\nA special feature is the layer of noble metal on the surface of the glass in the interspace.
\nIt is a neutral and invisible layer that reflects heat back into the room.
\nTo improve the thermal insulation properties, the interspace is filled with a low thermal conductivity gas, argon or argon gas.
\nkrypton <\/p>\n\n\n\n\n
Insulating double glazing<\/strong><\/td>\nLight transmittance [%]<\/strong><\/td>\nReflection [%]<\/strong><\/td>\nColour reproduction index [Ra]<\/strong><\/td>\nEN 410 “g” value [%]<\/strong><\/td>\nU-value EN 673 (15K) [W\/m2K]<\/strong><\/td>\n<\/tr>\n
4-16-4<\/td>\n80<\/td>\n12<\/td>\n97<\/td>\n63<\/td>\n1,1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

*Note: filled with argon 90%.
\nAll data are nominal.
\nA certain amount of heat is always lost from the heated room through the perimeter walls and windows.
\nThe measure of this thermal transmittance is the so-called “U” value:<\/strong> the smaller the value, the better the thermal insulation of the building material.
\nUntil recently, glass was the weak point of thermal insulation.
\nOlder insulating glass had a “U” value of only 3.0 W\/m2K, even as low as 5.8 W\/m2K with single glazing.
\nThe new thermal insulation standard is between 1.4 and 1.1 W\/m2K.
\nGlass is thus no longer the material that causes the greatest heat loss.
\nOn the contrary, glass saves the most energy.
\nThe thermal insulation value of this glass is equivalent to a 30 cm brick wall.
\nInsulating glass has a great contribution to prevent water vapour condensation on the inside of double glazing. The ‘g’ value<\/strong>: The glass uses the sun’s heat.
\nGlass is the only building material that has this property.
\nIt follows that the sun partially heats the glazed spaces.
\nThe measure of this effect is the ‘g’ value.
\nWhat is welcome in winter can have unpleasant consequences in summer.
\nThe energy gain from solar radiation means overheating of the interior.
\nTherefore, high thermal insulation together with a moderate ‘g’ value is the right way to achieve thermal balance in most cases.
\nThe difference between heat loss and gain must be as balanced as possible.
\nThis fact has been taken into account in the dimensioning of our glasses. <\/p>\n","protected":false},"featured_media":1228,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"production-type":[2],"class_list":["post-1641","production","type-production","status-publish","has-post-thumbnail","hentry","production-type-izolacne-skla"],"acf":[],"yoast_head":"\nThermally insulating double glazing | WINDOW GLASS<\/title>\n<meta name=\"description\" content=\"Thermal insulating glass is a highly rated new generation of insulating double glazing that meets the high requirements of effective thermal insulation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.windowglass.sk\/en\/vyroba\/thermally-insulating-double-glazing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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