{"id":278146,"date":"2022-05-10T09:04:01","date_gmt":"2022-05-10T09:04:01","guid":{"rendered":"https:\/\/www.sanier.pl\/bw-hasla\/zrodla-zawilgocenia-obiektow\/"},"modified":"2025-02-13T13:47:06","modified_gmt":"2025-02-13T13:47:06","slug":"zrodla-zawilgocenia-obiektow","status":"publish","type":"knowledgebase","link":"https:\/\/www.sanier.pl\/en\/bw-hasla\/zrodla-zawilgocenia-obiektow\/","title":{"rendered":"Sources of Building Moisture"},"content":{"rendered":"<p>[vc_row][vc_column][vc_column_text]<\/p>\n<h3 style=\"text-align: center;\" data-start=\"0\" data-end=\"38\"><strong data-start=\"4\" data-end=\"36\">Sources of Building Moisture<\/strong><\/h3>\n<p data-start=\"40\" data-end=\"160\">One of the first steps in <strong data-start=\"66\" data-end=\"85\">renovation work<\/strong> is identifying the <strong data-start=\"105\" data-end=\"127\">source of moisture<\/strong>. What are the possible causes?<\/p>\n<ul data-start=\"162\" data-end=\"740\">\n<li data-start=\"162\" data-end=\"289\"><strong data-start=\"164\" data-end=\"186\">Groundwater impact<\/strong> \u2013 moisture penetrating walls due to the <strong data-start=\"227\" data-end=\"248\">absence or damage<\/strong> of horizontal and vertical insulation.<\/li>\n<li data-start=\"290\" data-end=\"356\"><strong data-start=\"292\" data-end=\"314\">Rainwater exposure<\/strong> \u2013 both <strong data-start=\"322\" data-end=\"345\">direct and indirect<\/strong> effects.<\/li>\n<li data-start=\"357\" data-end=\"430\"><strong data-start=\"359\" data-end=\"386\">Floodwater infiltration<\/strong> \u2013 water accumulating around the building.<\/li>\n<li data-start=\"431\" data-end=\"527\"><strong data-start=\"433\" data-end=\"488\">Water and moisture from plumbing and sewage systems<\/strong> \u2013 leaks from internal installations.<\/li>\n<li data-start=\"528\" data-end=\"657\"><strong data-start=\"530\" data-end=\"555\">Condensation moisture<\/strong> \u2013 caused by <strong data-start=\"568\" data-end=\"603\">insufficient thermal insulation<\/strong> of walls, often combined with <strong data-start=\"634\" data-end=\"654\">poor ventilation<\/strong>.<\/li>\n<li data-start=\"658\" data-end=\"740\"><strong data-start=\"660\" data-end=\"695\">Hygroscopic moisture absorption<\/strong> \u2013 materials drawing moisture from the air.<\/li>\n<\/ul>\n<hr data-start=\"742\" data-end=\"745\" \/>\n<h3 data-start=\"747\" data-end=\"796\"><strong data-start=\"751\" data-end=\"794\">How to Identify the Source of Moisture?<\/strong><\/h3>\n<p data-start=\"798\" data-end=\"1000\"><strong data-start=\"798\" data-end=\"813\">Observation<\/strong> is the key to detecting the <strong data-start=\"842\" data-end=\"863\">cause of dampness<\/strong>. Different sources of moisture result in <strong data-start=\"905\" data-end=\"934\">different visible effects<\/strong>, and <strong data-start=\"940\" data-end=\"974\">the intensity of damage varies<\/strong> depending on the cause.<\/p>\n<ol data-start=\"1002\" data-end=\"2971\">\n<li data-start=\"1002\" data-end=\"1139\">\n<p data-start=\"1005\" data-end=\"1091\"><strong data-start=\"1005\" data-end=\"1089\">Terrain formation (soil layers and slope) directs rainwater toward the building.<\/strong><\/p>\n<ul data-start=\"1095\" data-end=\"1139\">\n<li data-start=\"1095\" data-end=\"1139\"><strong data-start=\"1097\" data-end=\"1108\">Effect:<\/strong> Stains on <strong data-start=\"1119\" data-end=\"1136\">masonry walls<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1141\" data-end=\"1363\">\n<p data-start=\"1144\" data-end=\"1180\"><strong data-start=\"1144\" data-end=\"1178\">Capillary moisture absorption.<\/strong><\/p>\n<ul data-start=\"1184\" data-end=\"1363\">\n<li data-start=\"1184\" data-end=\"1289\">The <strong data-start=\"1190\" data-end=\"1220\">ability to absorb moisture<\/strong> depends on <strong data-start=\"1232\" data-end=\"1286\">soil conditions, material type, and capillary size<\/strong>.<\/li>\n<li data-start=\"1293\" data-end=\"1363\"><strong data-start=\"1295\" data-end=\"1306\">Effect:<\/strong> A <strong data-start=\"1309\" data-end=\"1333\">continuous damp zone<\/strong> at a <strong data-start=\"1339\" data-end=\"1360\">consistent height<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1365\" data-end=\"1739\">\n<p data-start=\"1368\" data-end=\"1398\"><strong data-start=\"1368\" data-end=\"1396\">Bypassing of insulation.<\/strong><\/p>\n<ul data-start=\"1402\" data-end=\"1739\">\n<li data-start=\"1402\" data-end=\"1524\">If <strong data-start=\"1407\" data-end=\"1431\">ground usage changes<\/strong> (e.g., paving around the building), existing <strong data-start=\"1477\" data-end=\"1521\">hydro-insulation may become insufficient<\/strong>.<\/li>\n<li data-start=\"1528\" data-end=\"1644\">In some cases, <strong data-start=\"1545\" data-end=\"1563\">asphalt layers<\/strong> used for sidewalk repairs can <strong data-start=\"1594\" data-end=\"1641\">bypass the building\u2019s horizontal insulation<\/strong>.<\/li>\n<li data-start=\"1648\" data-end=\"1739\"><strong data-start=\"1650\" data-end=\"1661\">Effect:<\/strong> <strong data-start=\"1662\" data-end=\"1694\">Moisture increases over time<\/strong>, accompanied by <strong data-start=\"1711\" data-end=\"1736\">harmful salt deposits<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1741\" data-end=\"1836\">\n<p data-start=\"1744\" data-end=\"1767\"><strong data-start=\"1744\" data-end=\"1765\">Rainwater impact.<\/strong><\/p>\n<ul data-start=\"1771\" data-end=\"1836\">\n<li data-start=\"1771\" data-end=\"1836\"><strong data-start=\"1773\" data-end=\"1784\">Effect:<\/strong> <strong data-start=\"1785\" data-end=\"1811\">Irregular damp patches<\/strong> on <strong data-start=\"1815\" data-end=\"1833\">external walls<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1838\" data-end=\"2163\">\n<p data-start=\"1841\" data-end=\"1904\"><strong data-start=\"1841\" data-end=\"1866\">Condensation moisture<\/strong> due to <strong data-start=\"1874\" data-end=\"1902\">poor thermal insulation.<\/strong><\/p>\n<ul data-start=\"1908\" data-end=\"2163\">\n<li data-start=\"1908\" data-end=\"1964\">In <strong data-start=\"1913\" data-end=\"1923\">winter<\/strong>, warm air condenses on <strong data-start=\"1947\" data-end=\"1961\">cold walls<\/strong>.<\/li>\n<li data-start=\"1968\" data-end=\"2074\">In <strong data-start=\"1973\" data-end=\"1994\">spring and summer<\/strong>, <strong data-start=\"1996\" data-end=\"2017\">warm external air<\/strong> condenses when it meets a <strong data-start=\"2044\" data-end=\"2071\">cooler internal surface<\/strong>.<\/li>\n<li data-start=\"2078\" data-end=\"2163\"><strong data-start=\"2080\" data-end=\"2091\">Effect:<\/strong> Moisture can appear <strong data-start=\"2112\" data-end=\"2160\">throughout the building or in isolated areas<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"2165\" data-end=\"2404\">\n<p data-start=\"2168\" data-end=\"2206\"><strong data-start=\"2168\" data-end=\"2204\">Hygroscopic moisture absorption.<\/strong><\/p>\n<ul data-start=\"2210\" data-end=\"2404\">\n<li data-start=\"2210\" data-end=\"2293\"><strong data-start=\"2212\" data-end=\"2230\">Building salts<\/strong> attract moisture from the air, dissolve, and cause dampness.<\/li>\n<li data-start=\"2297\" data-end=\"2404\"><strong data-start=\"2299\" data-end=\"2310\">Effect:<\/strong> <strong data-start=\"2311\" data-end=\"2335\">Irregular wet stains<\/strong> that <strong data-start=\"2341\" data-end=\"2365\">appear and disappear<\/strong> depending on <strong data-start=\"2379\" data-end=\"2401\">weather conditions<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"2406\" data-end=\"2971\">\n<p data-start=\"2409\" data-end=\"2525\"><strong data-start=\"2409\" data-end=\"2455\">A combination of multiple moisture sources<\/strong> (e.g., splash water, hygroscopic absorption, and capillary action).<\/p>\n<ul data-start=\"2529\" data-end=\"2971\">\n<li data-start=\"2529\" data-end=\"2694\"><strong data-start=\"2531\" data-end=\"2564\">Capillary moisture absorption<\/strong> is rarely the <strong data-start=\"2579\" data-end=\"2593\">sole cause<\/strong> of dampness, so it is <strong data-start=\"2616\" data-end=\"2660\">impossible to determine the exact source<\/strong> by <strong data-start=\"2664\" data-end=\"2691\">visual inspection alone<\/strong>.<\/li>\n<li data-start=\"2698\" data-end=\"2763\">A <strong data-start=\"2702\" data-end=\"2726\">horizontal damp line<\/strong> suggests <strong data-start=\"2736\" data-end=\"2760\">capillary absorption<\/strong>.<\/li>\n<li data-start=\"2767\" data-end=\"2861\"><strong data-start=\"2769\" data-end=\"2794\">Irregular dark stains<\/strong> indicate <strong data-start=\"2804\" data-end=\"2847\">hygroscopic moisture from salt deposits<\/strong> in plaster.<\/li>\n<li data-start=\"2865\" data-end=\"2971\"><strong data-start=\"2867\" data-end=\"2916\">Dirt and stains at the lower part of the wall<\/strong> above ground level signal <strong data-start=\"2943\" data-end=\"2968\">splash water exposure<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<div class=\"vc_row wpb_row vc_row-fluid\">\n<div class=\"wpb_column vc_column_container vc_col-sm-12\">\n<div class=\"vc_column-inner\">\n<div class=\"wpb_wrapper\">\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\u00a0<strong data-start=\"4\" data-end=\"27\">Want to Learn More?<\/strong><\/div>\n<\/div>\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p data-start=\"31\" data-end=\"113\">Detailed information on the <strong data-start=\"59\" data-end=\"84\">waterproofing process<\/strong> can be found in our guide:<\/p>\n<p data-start=\"115\" data-end=\"184\">&#x1f539; <strong data-start=\"118\" data-end=\"128\">Part 1<\/strong> \u2013 <a href=\"https:\/\/www.sanier.pl\/poradniki_sanier\/hydroizolacja-poradnik-cz1\/\"><em data-start=\"131\" data-end=\"147\">Click to check<\/em><\/a><br data-start=\"147\" data-end=\"150\" \/>&#x1f539; <strong data-start=\"153\" data-end=\"163\">Part 2<\/strong> \u2013 <a href=\"https:\/\/www.sanier.pl\/poradniki_sanier\/hydroizolacja-poradnik-dla-kazdego-cz2-ebook\/\"><em data-start=\"166\" data-end=\"182\">Click to check<\/em><\/a><\/p>\n<p data-start=\"186\" data-end=\"316\" data-is-last-node=\"\">Our team of <strong data-start=\"198\" data-end=\"209\">experts<\/strong> is happy to assist you. If you have any additional questions, feel free to <strong data-start=\"285\" data-end=\"296\">call us<\/strong> at <strong data-start=\"300\" data-end=\"315\">533 343 595<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"author":55,"featured_media":271132,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","categories":[873],"tags":[],"class_list":["post-278146","knowledgebase","type-knowledgebase","status-publish","has-post-thumbnail","hentry","category-knowledge-base"],"_links":{"self":[{"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/knowledgebase\/278146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/knowledgebase"}],"about":[{"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/types\/knowledgebase"}],"author":[{"embeddable":true,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/users\/55"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/comments?post=278146"}],"version-history":[{"count":0,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/knowledgebase\/278146\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/media\/271132"}],"wp:attachment":[{"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/media?parent=278146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/categories?post=278146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sanier.pl\/en\/wp-json\/wp\/v2\/tags?post=278146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}