{"id":3082,"date":"2023-12-12T13:00:49","date_gmt":"2023-12-12T19:00:49","guid":{"rendered":"https:\/\/www.nwglassfab.com\/?p=3082"},"modified":"2023-12-12T13:19:26","modified_gmt":"2023-12-12T19:19:26","slug":"condensation-fogging","status":"publish","type":"post","link":"https:\/\/www.nwglassfab.com\/condensation-fogging\/","title":{"rendered":"Insulated Units 101: Distinguishing Between Condensation and Seal Failure"},"content":{"rendered":"<div id='full_slider_1'  class='avia-fullwidth-slider main_color avia-shadow   avia-builder-el-0  el_before_av_one_full  avia-builder-el-first   container_wrap fullsize'  ><div  class='avia-slideshow av-lbpguwi4-c00e27e222b80c12376f7fa2b06d5f11 av-control-default avia-slideshow-featured av_slideshow_full avia-slide-slider av-default-height-applied   avia-slideshow-1'  data-size='featured'  data-lightbox_size='large'  data-animation='slide'  data-conditional_play=''  data-ids='3084'  data-video_counter='0'  data-autoplay='false'  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av-lbpguwi4-c00e27e222b80c12376f7fa2b06d5f11__0  av-single-slide slide-1 ' ><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img fetchpriority=\"high\" fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-3084 avia-img-lazy-loading-not-3084\"  src=\"https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/window-648x430.png\" width=\"648\" height=\"430\" title='window' alt=''  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/window-648x430.png 648w, https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/window-300x200.png 300w\" sizes=\"(max-width: 648px) 100vw, 648px\" \/><\/div><\/li><\/ul><\/div><\/div><div id='after_full_slider_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-3082'><div class='entry-content-wrapper clearfix'>\n<div class='flex_column_table av-a40h1d-8175dd23bd6041aec788f2212652ba90 sc-av_one_full av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-a40h1d-8175dd23bd6041aec788f2212652ba90\">\n#top .flex_column_table.av-equal-height-column-flextable.av-a40h1d-8175dd23bd6041aec788f2212652ba90{\nmargin-top:-100px;\nmargin-bottom:0px;\n}\n.flex_column.av-a40h1d-8175dd23bd6041aec788f2212652ba90{\npadding:10px 0 0 0;\nbackground-color:#ffffff;\n}\n<\/style>\n<div class='flex_column av-a40h1d-8175dd23bd6041aec788f2212652ba90 av_one_full  avia-builder-el-1  el_after_av_slideshow_full  el_before_av_one_full  avia-builder-el-first  first flex_column_table_cell av-equal-height-column av-align-middle '   ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lbpguhen-84c0a68cf8aca8185010c440d18603d3\">\n#top .av-special-heading.av-lbpguhen-84c0a68cf8aca8185010c440d18603d3{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lbpguhen-84c0a68cf8aca8185010c440d18603d3 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lbpguhen-84c0a68cf8aca8185010c440d18603d3 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  id=\"custom-page-header\"  class='av-special-heading av-lbpguhen-84c0a68cf8aca8185010c440d18603d3 av-special-heading-h1 custom-color-heading blockquote modern-quote modern-centered  avia-builder-el-2  el_before_av_post_metadata  avia-builder-el-first '><h1 class='av-special-heading-tag'  itemprop=\"headline\"  >Insulated Units 101: Distinguishing Between Condensation and Seal Failure <\/h1><div class='av-subheading av-subheading_below'><p>By: Nathan Gason<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div  class='av-post-metadata-container av-xnolt-996dc203fd25bb0525c0ad062f95a68f av-metadata-container-align-center  avia-builder-el-3  el_after_av_heading  avia-builder-el-last  av-metadata-container-1'><div class='av-post-metadata-container-inner'><span class=\"av-post-metadata-content av-post-metadata-meta-content\"><span class=\"av-post-metadata-content av-post-metadata-modified\"><span class=\"av-post-metadata-modified-date\" >December 12, 2023<\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\">|<\/span><span class=\"av-post-metadata-content av-post-metadata-category\"><span class=\"av-metadata-before av-metadata-before-categories\">in<\/span><span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/www.nwglassfab.com\/category\/news\/\" >News<\/a><\/span><\/span><\/span><\/div><\/div><\/p><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3n2mlt-e4d850cdee1f8ab55b6b74152da5d407\">\n.flex_column.av-3n2mlt-e4d850cdee1f8ab55b6b74152da5d407{\npadding:5px 5px 0 5px;\n}\n<\/style>\n<div class='flex_column av-3n2mlt-e4d850cdee1f8ab55b6b74152da5d407 av_one_full  avia-builder-el-4  el_after_av_one_full  el_before_av_social_share  first flex_column_div column-top-margin'   ><section  class='av_textblock_section av-2ivfu9-9ed01740c3fb223654ac9c5861a39289'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><span data-contrast=\"auto\">Curious about foggy windows? In this post, we&#8217;ll delve into the various causes of fog and condensation on windows, providing insights into what it means and what actions to take. The primary focus is to assist homeowners and business owners who may observe condensation on their Insulated Glass (IG) units and are uncertain about whether it warrants concern.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Before we delve into the essentials of condensation, let&#8217;s clarify some terminology. For the purposes of this blog, condensation will encompass any moisture accumulation on the glass of an insulated unit. This includes both the fogginess that occasionally manifests on a window and larger droplets akin to dew. The precise location of condensation on the window is crucial, and we will briefly outline the various surfaces of an IG.<\/span><\/p>\n<p><span data-contrast=\"auto\"><img decoding=\"async\" class=\"size-medium wp-image-3083 alignleft\" src=\"https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/Capture-300x191.png\" alt=\"\" width=\"300\" height=\"191\" srcset=\"https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/Capture-300x191.png 300w, https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/Capture.png 446w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/span><\/p>\n<p><span data-contrast=\"auto\">An IG comprises two pieces of glass with air in between, resulting in four technically distinct surfaces. Each of the two glass panes has two sides. Surface 1 is the window&#8217;s exterior and surface 2 is the opposite side of that pane&gt; Surface 3 is the first side of the second pane (inside the IG), and surface 4 is the interior side of the unit. <\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">To illustrate, if an IG were installed in your house, Surface 1 would be the side accessible from your yard, surfaces 2 and 3 would be within the window, and surface 4 would be the side facing the interior of your home. Lastly, it&#8217;s worth noting that IG stands for insulated glass unit and will be used interchangeably with &#8216;window&#8217; throughout this blog, specifically referring to the glass unit comprising the window.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Condensation on Surfaces 1 &amp; 4 (External Condensation)<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Condensation on surfaces 1 or 4 is not inherently harmful, but it can indicate an underlying issue. Therefore, understanding how and why it occurs is crucial for addressing it effectively.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Imagine waking up on a cool morning to dewdrops on the lawn. This happens when water condenses from the air onto colder surfaces, such as the ground, cold drinks, or, of course, cold windows. Therefore, if you find condensation on surface 4 of your Insulated Glass (IG), it is no more concerning than dew on your lawn. However, if you prefer a clearer view from your window on cold mornings, there are solutions. If your windows are shaded by tall bushes and shrubbery, consider trimming them to allow sunlight to reach your windows. Sunlight will warm up the window, preventing the formation of water droplets on cool surfaces. Additionally, we offer warm edge spacers at NWGF, made of foam instead of metal. Unlike metal, foam does not conduct heat as effectively, keeping the edges of your panes warmer (hence &#8216;warm edge&#8217; spacer) and preventing condensation, similar to trimming shrubbery.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{\"> <img decoding=\"async\" class=\"size-medium wp-image-3084 alignleft\" src=\"https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/window-300x200.png\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/window-300x200.png 300w, https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/window.png 648w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/span><\/p>\n<p><span data-contrast=\"auto\">Condensation on surface 1of the IG is more complex. As mentioned earlier, condensation forms on the outside of windows, similar to a cold can of soda. Water droplets emerge from the air and form on colder surfaces. If this occurs inside your home or business, it suggests either the indoor air is significantly warmer than the window or the space is relatively humid. Wet and humid air can lead to rot and mold in walls. Regular condensation on the inside may indicate a humidity issue. To address this, consider using a dehumidifier, which can be fairly inexpensive depending on size. It reduces the water content in the air, preventing it from forming droplets on your IG. Alternatively, if the outside air is drier than inside, leaving your window open can help. This allows wetter air to exit and drier air to enter, though this approach depends on weather conditions, as leaving the window open may introduce other problems beyond condensation.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Condensation Inside the IG (Surfaces 2 &amp; 3)<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Condensation on the inside of the IG is more critical than external condensation. Since a window functions as a closed system, the presence of moisture on surfaces 2 or 3 indicates a failure in the seal between the panes of glass at one or more locations. To identify the surface where moisture is accumulating, a process of elimination is the most effective method. If you have cleaned surfaces 1 &amp; 4, and moisture is still visible, it must be on surfaces 2 or 3. Another method is through the observation of speckled low-e. Low-e <\/span><span data-contrast=\"auto\">applied\ufffc to some IGs to regulate temperature, can become speckled when condensation forms on surfaces 2 or 3, damaging the low-e coating on that surface. As condensation fluctuates based on relative humidity and other factors, these speckles persist in the low-e and serve as a reliable indicator of a failed seal.<\/span><\/p>\n<p><span data-contrast=\"auto\">Unfortunately, there is no easy fix once a seal has failed. The window will need to be replaced entirely, incurring potential costs. Fortunately, at NWGF, we stand behind the quality of our products. Our mill spacer units come with a 10-year warranty that covers seal failure. This ensures that our customers can be confident in the longevity of their window units, keeping moisture out for years to come.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3085 aligncenter\" src=\"https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/other-window-300x226.png\" alt=\"\" width=\"300\" height=\"226\" srcset=\"https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/other-window-300x226.png 300w, https:\/\/www.nwglassfab.com\/wp-content\/uploads\/sites\/7\/2023\/12\/other-window.png 628w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><b><span data-contrast=\"auto\">Final Thoug<\/span><\/b><b><span data-contrast=\"auto\">hts<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Now equipped with knowledge about condensation, its formation, and appropriate actions, you&#8217;ve become an expert! Remember, condensation serves as a symptom of moisture and colder surfaces. If it occurs indoors, contemplate using a dehumidifier. When it happens outdoors, ensure your window receives ample sunlight. Lastly, if condensation appears within the insulated glass unit, it&#8217;s time to consider a new window. Should you suspect seal failure or the need for a replacement, do consider NWGF where out 10-year warranty will provide you peace of mind on your investment.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">For inquiries about our warranty or products, our Customer Support Team is always available to assist you! Reach out to us through our website or give us a call at 763-762-1750.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><b><i><span data-contrast=\"auto\">Sources:<\/span><\/i><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><a href=\"https:\/\/www.pella.com\/ideas\/windows\/window-condensation-tips\/\"><span data-contrast=\"none\">https:\/\/www.pella.com\/ideas\/windows\/window-condensation-tips\/<\/span><\/a><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{\" data-aria-posinset=\"2\" data-aria-level=\"1\"><a href=\"https:\/\/homespireforlife.com\/blog\/condensation-the-red-flag-of-window-insulation-quality\/\"><span data-contrast=\"none\">https:\/\/homespireforlife.com\/blog\/condensation-the-red-flag-of-window-insulation-quality\/<\/span><\/a><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{\" data-aria-posinset=\"3\" data-aria-level=\"1\"><a href=\"https:\/\/www.bobvila.com\/articles\/condensation-on-windows\/\"><span data-contrast=\"none\">https:\/\/www.bobvila.com\/articles\/condensation-on-windows\/<\/span><\/a><i><span data-contrast=\"auto\">\u00a0<\/span><\/i><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{\" data-aria-posinset=\"4\" data-aria-level=\"1\"><i><span data-contrast=\"auto\">Personal Interview with Elliot McCarty, Quality &amp; Safety Coordinator for Brin Glass Companies.\u00a0<\/span><\/i><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{\" data-aria-posinset=\"5\" data-aria-level=\"1\"><a href=\"https:\/\/www.aiglass.com\/insulating-glass.html\"><i><span data-contrast=\"none\">https:\/\/www.aiglass.com\/insulating-glass.html<\/span><\/i><\/a><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<div  class='av-social-sharing-box av-28qn4h-5db18ad7a06e6fbaaa8ea80645b883fd av-social-sharing-box-default  avia-builder-el-6  el_after_av_one_full  avia-builder-el-last  av-social-sharing-box-fullwidth'><div class=\"av-share-box\"><h5 class='av-share-link-description av-no-toc '>Share<\/h5><ul class=\"av-share-box-list noLightbox\"><li class='av-share-link av-social-link-facebook' ><a target=\"_blank\" aria-label=\"Share on Facebook\" href='https:\/\/www.facebook.com\/sharer.php?u=https:\/\/www.nwglassfab.com\/condensation-fogging\/&#038;t=Insulated%20Units%20101%3A%20Distinguishing%20Between%20Condensation%20and%20Seal%20Failure' aria-hidden='false' data-av_icon='\ue8f3' data-av_iconfont='entypo-fontello' title='' data-avia-related-tooltip='Share on Facebook' rel=\"noopener\"><span class='avia_hidden_link_text'>Share on Facebook<\/span><\/a><\/li><li class='av-share-link av-social-link-twitter' ><a target=\"_blank\" aria-label=\"Share on Twitter\" href='https:\/\/twitter.com\/share?text=Insulated%20Units%20101%3A%20Distinguishing%20Between%20Condensation%20and%20Seal%20Failure&#038;url=https:\/\/www.nwglassfab.com\/?p=3082' aria-hidden='false' data-av_icon='\ue8f1' data-av_iconfont='entypo-fontello' title='' data-avia-related-tooltip='Share on Twitter' rel=\"noopener\"><span class='avia_hidden_link_text'>Share on Twitter<\/span><\/a><\/li><li class='av-share-link av-social-link-pinterest' ><a target=\"_blank\" aria-label=\"Share on Pinterest\" href='https:\/\/pinterest.com\/pin\/create\/button\/?url=https%3A%2F%2Fwww.nwglassfab.com%2Fcondensation-fogging%2F&#038;description=Insulated%20Units%20101%3A%20Distinguishing%20Between%20Condensation%20and%20Seal%20Failure&#038;media=https%3A%2F%2Fwww.nwglassfab.com%2Fwp-content%2Fuploads%2Fsites%2F7%2F2023%2F12%2Fwindow.png' aria-hidden='false' data-av_icon='\ue8f8' data-av_iconfont='entypo-fontello' title='' data-avia-related-tooltip='Share on Pinterest' rel=\"noopener\"><span class='avia_hidden_link_text'>Share on Pinterest<\/span><\/a><\/li><li class='av-share-link av-social-link-linkedin' ><a target=\"_blank\" aria-label=\"Share on LinkedIn\" href='https:\/\/linkedin.com\/shareArticle?mini=true&#038;title=Insulated%20Units%20101%3A%20Distinguishing%20Between%20Condensation%20and%20Seal%20Failure&#038;url=https:\/\/www.nwglassfab.com\/condensation-fogging\/' aria-hidden='false' data-av_icon='\ue8fc' data-av_iconfont='entypo-fontello' title='' data-avia-related-tooltip='Share on LinkedIn' rel=\"noopener\"><span class='avia_hidden_link_text'>Share on LinkedIn<\/span><\/a><\/li><li class='av-share-link av-social-link-mail' ><a  aria-label=\"Share by Mail\" href='mailto:?subject=Insulated%20Units%20101%3A%20Distinguishing%20Between%20Condensation%20and%20Seal%20Failure&#038;body=https:\/\/www.nwglassfab.com\/condensation-fogging\/' aria-hidden='false' data-av_icon='\ue805' data-av_iconfont='entypo-fontello' title='' data-avia-related-tooltip='Share by Mail'><span class='avia_hidden_link_text'>Share by Mail<\/span><\/a><\/li><\/ul><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":12,"featured_media":3084,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Insulated Units 101: Distinguishing Between Condensation and Seal Failure - Custom &amp; 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