{"id":202,"date":"2026-10-03T17:56:24","date_gmt":"2026-10-03T15:56:24","guid":{"rendered":"https:\/\/powersmartcoat.de\/u-wert-rechner\/"},"modified":"2026-10-03T17:56:24","modified_gmt":"2026-10-03T15:56:24","slug":"u-wert-rechner","status":"publish","type":"page","link":"https:\/\/powersmartcoat.com/is\/u-wert-rechner\/","title":{"rendered":"U-Wert-Rechner"},"content":{"rendered":"\t<div class=\"psc-uw\" data-psc-uw>\n\t\t<p class=\"psc-uw-intro\">Reikna\u00f0u U-gildi byggingarhlutans \u00fe\u00edns \u2013 vegguppbygging, einangrun og hitastigsferill \u00ed einu yfirliti, beint \u00ed vafranum \u00fe\u00ednum.<\/p>\n\n\t\t<div class=\"psc-uw-grid\">\n\t\t\t<section class=\"psc-uw-panel psc-uw-panel--form\" aria-label=\"Uppbygging\">\n\t\t\t\t<div class=\"psc-uw-field\">\n\t\t\t\t\t<label for=\"psc-uw-bauteiltyp\">Tegund byggingarhluta<\/label>\n\t\t\t\t\t<select id=\"psc-uw-bauteiltyp\" data-field=\"component\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<option value=\"wall\" data-boundary=\"air\">\u00datveggur<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<option value=\"floor\" data-boundary=\"ground\">G\u00f3lf gegn j\u00f6r\u00f0<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<option value=\"groundwall\" data-boundary=\"ground\">Veggur gegn j\u00f6r\u00f0<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<option value=\"basement\" data-boundary=\"air\">Kjallaraloft<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<option value=\"airfloor\" data-boundary=\"air\">G\u00f3lf gegn \u00fatilofti<\/option>\n\t\t\t\t\t\t\t\t\t\t\t<\/select>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"psc-uw-field-row\">\n\t\t\t\t\t<div class=\"psc-uw-field\">\n\t\t\t\t\t\t<label for=\"psc-uw-tin\">Hiti innandyra <span class=\"psc-uw-unit\">\u00b0C<\/span><\/label>\n\t\t\t\t\t\t<input id=\"psc-uw-tin\" type=\"number\" step=\"0.5\" value=\"20\" data-field=\"tin\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"psc-uw-field\">\n\t\t\t\t\t\t<label for=\"psc-uw-tout\">Hiti utandyra \/ jar\u00f0vegur <span class=\"psc-uw-unit\">\u00b0C<\/span><\/label>\n\t\t\t\t\t\t<input id=\"psc-uw-tout\" type=\"number\" step=\"0.5\" value=\"-5\" data-field=\"tout\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"psc-uw-field\">\n\t\t\t\t\t\t<label for=\"psc-uw-rh\">Rakastig innandyra <span class=\"psc-uw-unit\">%<\/span><\/label>\n\t\t\t\t\t\t<input id=\"psc-uw-rh\" type=\"number\" min=\"1\" max=\"100\" step=\"1\" value=\"50\" data-field=\"rh\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\n\t\t\t\t<details class=\"psc-uw-advanced\">\n\t\t\t\t\t<summary>Yfirbor\u00f0svi\u00f0n\u00e1m \u2014 Sta\u00f0algildi Rsi 0,13 \u00b7 Rse 0,04 m\u00b2K\/W<\/summary>\n\t\t\t\t\t<div class=\"psc-uw-field-row\">\n\t\t\t\t\t\t<div class=\"psc-uw-field\">\n\t\t\t\t\t\t\t<label for=\"psc-uw-rsi\">Rsi <span class=\"psc-uw-unit\">m\u00b2K\/W<\/span><\/label>\n\t\t\t\t\t\t\t<input id=\"psc-uw-rsi\" type=\"number\" step=\"0.01\" min=\"0\" value=\"0.13\" data-field=\"rsi\">\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"psc-uw-field\">\n\t\t\t\t\t\t\t<label for=\"psc-uw-rse\">Rse <span class=\"psc-uw-unit\">m\u00b2K\/W<\/span><\/label>\n\t\t\t\t\t\t\t<input id=\"psc-uw-rse\" type=\"number\" step=\"0.01\" min=\"0\" value=\"0.04\" data-field=\"rse\">\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/details>\n\t\t\t<\/section>\n\n\t\t\t<section class=\"psc-uw-panel psc-uw-panel--layers\">\n\t\t\t\t<div class=\"psc-uw-panel-head\">\n\t\t\t\t\t<div>\n\t\t\t\t\t\t<span class=\"psc-uw-kicker\">Uppbygging<\/span>\n\t\t\t\t\t\t<h3>\u00deversni\u00f0 byggingarhluta<\/h3>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<button type=\"button\" class=\"psc-uw-btn-add\" data-add-layer>+ B\u00e6ta vi\u00f0 lagi<\/button>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"psc-uw-cross\" data-cross aria-hidden=\"true\"><\/div>\n\t\t\t\t<div class=\"psc-uw-layers\" data-layers><\/div>\n\t\t\t\t<template data-layer-template>\n\t\t\t\t\t<div class=\"psc-uw-layer\">\n\t\t\t\t\t\t<div class=\"psc-uw-layer-main\">\n\t\t\t\t\t\t\t<label class=\"psc-uw-layer-material\">\n\t\t\t\t\t\t\t\t<span class=\"psc-uw-visually-hidden\">Efni<\/span>\n\t\t\t\t\t\t\t\t<select data-material>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<optgroup label=\"M\u00farverk\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<option\n\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"brick\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-lambda=\"0.6\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-thickness=\"240\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-boundary=\"air\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-equivalent=\"0\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-type=\"masonry\"\n\t\t\t\t\t\t\t\t\t\t\t\t>Heilsteyptur m\u00farsteinn<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<option\n\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"aac\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-lambda=\"0.12\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-thickness=\"240\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-boundary=\"air\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-equivalent=\"0\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-type=\"masonry\"\n\t\t\t\t\t\t\t\t\t\t\t\t>Loftsteypa<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/optgroup>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<optgroup label=\"Steinsteypa\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<option\n\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"concrete\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-lambda=\"2.1\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-thickness=\"200\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-boundary=\"air\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-equivalent=\"0\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-type=\"concrete\"\n\t\t\t\t\t\t\t\t\t\t\t\t>Steinsteypa<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/optgroup>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<optgroup label=\"Vi\u00f0ur\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<option\n\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"wood\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-lambda=\"0.13\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-thickness=\"120\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-boundary=\"air\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-equivalent=\"0\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-type=\"wood\"\n\t\t\t\t\t\t\t\t\t\t\t\t>Vi\u00f0ur<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/optgroup>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<optgroup label=\"Einangrun\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<option\n\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"eps\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-lambda=\"0.035\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-thickness=\"140\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-boundary=\"air\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-equivalent=\"0\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-type=\"insulation\"\n\t\t\t\t\t\t\t\t\t\t\t\t>EPS<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<option\n\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"xps\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-lambda=\"0.034\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-thickness=\"120\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-boundary=\"both\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-equivalent=\"0\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-type=\"insulation\"\n\t\t\t\t\t\t\t\t\t\t\t\t>XPS<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<option\n\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"mw\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-lambda=\"0.035\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-thickness=\"160\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-boundary=\"air\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-equivalent=\"0\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-type=\"insulation\"\n\t\t\t\t\t\t\t\t\t\t\t\t>Steinull<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<option\n\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"soil-insulation\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-lambda=\"0.035\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-thickness=\"120\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-boundary=\"ground\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-equivalent=\"0\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-type=\"insulation\"\n\t\t\t\t\t\t\t\t\t\t\t\t>Ja\u00f0areinangrun<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/optgroup>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<optgroup label=\"P\u00fassning\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<option\n\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"plaster\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-lambda=\"0.7\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-thickness=\"20\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-boundary=\"air\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-equivalent=\"0\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-type=\"plaster\"\n\t\t\t\t\t\t\t\t\t\t\t\t>P\u00fassning<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/optgroup>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<optgroup label=\"H\u00fa\u00f0un\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<option\n\t\t\t\t\t\t\t\t\t\t\t\t\tvalue=\"pscoat\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-lambda=\"0.00012\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-thickness=\"1\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-boundary=\"air\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-equivalent=\"1\"\n\t\t\t\t\t\t\t\t\t\t\t\t\tdata-type=\"coating\"\n\t\t\t\t\t\t\t\t\t\t\t\t>PScoat<\/option>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/optgroup>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/select>\n\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t<div class=\"psc-uw-layer-meta\">\n\t\t\t\t\t\t\t\t<label>\u00deykkt <input data-thickness type=\"number\" step=\"1\" min=\"0.1\"><span class=\"psc-uw-unit\">mm<\/span><\/label>\n\t\t\t\t\t\t\t\t<label><span data-lambda-label>\u03bb<\/span> <input data-lambda type=\"number\" step=\"0.00001\" min=\"0.00001\"><span class=\"psc-uw-unit\">W\/(m\u00b7K)<\/span><\/label>\n\t\t\t\t\t\t\t\t<span class=\"psc-uw-r\" data-r>R \u2013<\/span>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<button type=\"button\" class=\"psc-uw-layer-remove\" data-remove aria-label=\"Fjarl\u00e6gja lag\">\u00d7<\/button>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/template>\n\t\t\t<\/section>\n\n\t\t\t<section class=\"psc-uw-panel psc-uw-panel--results\">\n\t\t\t\t<div class=\"psc-uw-metrics\">\n\t\t\t\t\t<div class=\"psc-uw-metric psc-uw-metric--main\">\n\t\t\t\t\t\t<span class=\"psc-uw-metric-label\">U-gildi<\/span>\n\t\t\t\t\t\t<strong class=\"psc-uw-metric-value\" data-u>\u2013<\/strong>\n\t\t\t\t\t\t<span class=\"psc-uw-metric-unit\">W\/(m\u00b2\u00b7K)<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"psc-uw-metric\">\n\t\t\t\t\t\t<span class=\"psc-uw-metric-label\">Heildarvi\u00f0n\u00e1m R<\/span>\n\t\t\t\t\t\t<strong class=\"psc-uw-metric-value\" data-r-total>\u2013<\/strong>\n\t\t\t\t\t\t<span class=\"psc-uw-metric-unit\">m\u00b2K\/W<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"psc-uw-metric\">\n\t\t\t\t\t\t<span class=\"psc-uw-metric-label\">Innra yfirbor\u00f0<\/span>\n\t\t\t\t\t\t<strong class=\"psc-uw-metric-value\" data-tsi>\u2013<\/strong>\n\t\t\t\t\t\t<span class=\"psc-uw-metric-unit\">\u00b0C<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"psc-uw-metric\">\n\t\t\t\t\t\t<span class=\"psc-uw-metric-label\">Daggarmark<\/span>\n\t\t\t\t\t\t<strong class=\"psc-uw-metric-value\" data-dew>\u2013<\/strong>\n\t\t\t\t\t\t<span class=\"psc-uw-metric-unit\">\u00b0C<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<p class=\"psc-uw-margin\" data-margin>\u2013<\/p>\n\t\t\t\t<div class=\"psc-uw-class-row\">\n\t\t\t\t\t<span class=\"psc-uw-metric-label\">Flokkun U-gildis<\/span>\n\t\t\t\t\t<strong class=\"psc-uw-class-value\" data-class>\u2013<\/strong>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"psc-uw-scale\" data-scale aria-hidden=\"true\">\n\t\t\t\t\t<span>A+<\/span><span>A<\/span><span>B<\/span><span>C<\/span><span>D<\/span><span>E<\/span><span>F<\/span><span>G<\/span><span>H<\/span>\n\t\t\t\t\t<b data-scale-marker><\/b>\n\t\t\t\t<\/div>\n\t\t\t<\/section>\n\n\t\t\t<section class=\"psc-uw-panel psc-uw-panel--chart\">\n\t\t\t\t<h3>Hitastigsferill \u00ed gegnum uppbygginguna<\/h3>\n\t\t\t\t<div class=\"psc-uw-chart\" data-chart role=\"img\" aria-label=\"Hitastigsferill \u00ed gegnum uppbygginguna\"><\/div>\n\t\t\t<\/section>\n\t\t<\/div>\n\n\t\t<nav class=\"psc-uw-bar\" aria-label=\"Fleiri reikniv\u00e9lar\"><span class=\"psc-uw-bar-label\">Fleiri reikniv\u00e9lar<\/span><a class=\"psc-uw-bar-link\" href=\"https:\/\/powersmartcoat.com/is\/rechner\/\">Efnisreikniv\u00e9l<\/a><a class=\"psc-uw-bar-link\" href=\"https:\/\/powersmartcoat.com/is\/u-wert-rechner\/\">U-gildisreikniv\u00e9l<\/a><a class=\"psc-uw-bar-link\" href=\"https:\/\/powersmartcoat.com/is\/energie-rechner\/\">Orkureikniv\u00e9l<\/a><a class=\"psc-uw-bar-link\" href=\"https:\/\/powersmartcoat.com/is\/#konfigurator\">Kerfisstillir<\/a><\/nav>\t<\/div>\n\t\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-202","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/powersmartcoat.com/is\/wp-json\/wp\/v2\/pages\/202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/powersmartcoat.com/is\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/powersmartcoat.com/is\/wp-json\/wp\/v2\/types\/page"}],"replies":[{"embeddable":true,"href":"https:\/\/powersmartcoat.com/is\/wp-json\/wp\/v2\/comments?post=202"}],"version-history":[{"count":0,"href":"https:\/\/powersmartcoat.com/is\/wp-json\/wp\/v2\/pages\/202\/revisions"}],"wp:attachment":[{"href":"https:\/\/powersmartcoat.com/is\/wp-json\/wp\/v2\/media?parent=202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}