{"id":213315,"date":"2025-12-30T12:02:02","date_gmt":"2025-12-30T17:02:02","guid":{"rendered":"https:\/\/www.constructionspecifier.com\/?p=213315"},"modified":"2025-12-30T12:02:02","modified_gmt":"2025-12-30T17:02:02","slug":"do-you-know-what-causes-closed-cell-spf-shrinkage-and-how-to-prevent-it","status":"publish","type":"post","link":"https:\/\/www.constructionspecifier.com\/do-you-know-what-causes-closed-cell-spf-shrinkage-and-how-to-prevent-it\/","title":{"rendered":"Do You Know What Causes Closed-Cell SPF Shrinkage\u2014and How to Prevent It?"},"content":{"rendered":"<p><a href=\"https:\/\/www.constructionspecifier.com\/wp-content\/uploads\/2025\/12\/CS-DEC.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-213167 size-full\" src=\"https:\/\/www.constructionspecifier.com\/wp-content\/uploads\/2025\/12\/CS-DEC.jpg\" alt=\"\" width=\"280\" height=\"220\" \/><\/a><\/p>\n<p>This week&#8217;s quiz is from <a href=\"https:\/\/www.constructionspecifier.com\/ccspf-shrinkage-prevention-installation-tips\/\"><em>Closed-cell spray polyurethane foam: Shrinkage and how to manage it<\/em><\/a>. Closed-cell spray polyurethane foam delivers high R-values and air sealing\u2014until shrinkage compromises performance. Test your knowledge on why shrinkage happens, how it shows up on site, and the steps installers and specifiers can take to manage the risk.<br \/>\n<script type=\"text\/javascript\" src=\"https:\/\/app-omeda.credspark.com\/assessments\/do-you-know-what-causes-closed-cell-spf-shrinkage-and-how-to-prevent-it-24911dc1c0e7e\/embed_script.js\" async defer><\/script><\/p>\n<div class=\"credsparkQuiz\" data-quiz-id=\"do-you-know-what-causes-closed-cell-spf-shrinkage-and-how-to-prevent-it-24911dc1c0e7e\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Test your knowledge on why shrinkage happens, how it shows up on site, and the steps installers and specifiers can take to manage the risk.<\/p>\n","protected":false},"author":34186,"featured_media":213167,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9697],"tags":[9702],"class_list":["post-213315","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quizzes","tag-quiz","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Do You Know What Causes Closed-Cell SPF Shrinkage\u2014and How to Prevent It? - The Construction Specifier<\/title>\n<meta name=\"description\" content=\"Test your knowledge on why shrinkage happens, how it shows up on site, and the steps installers and specifiers can take to manage the risk.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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