1.0Insulation Outlook Magazinehttps://insulation.org/iomatrixsuperadminhttps://insulation.org/io/author/matrixsuperadmin/rich600338<blockquote class="wp-embedded-content" data-secret="b4Wo7DLRar"><a href="https://insulation.org/io/articles/insulation-materials-cellular-polyolefin/">Insulation Materials: Cellular Polyolefin</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://insulation.org/io/articles/insulation-materials-cellular-polyolefin/embed/#?secret=b4Wo7DLRar" width="600" height="338" title="“Insulation Materials: Cellular Polyolefin” — Insulation Outlook Magazine" data-secret="b4Wo7DLRar" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> History Polyolefin closed cell tubular insulation was developed in Europe in the 1970s. Much of the development work was done in Belgium. It was first introduced in the United States in 1979 as a do-it-yourself insulation in semi-slit, three-foot lengths. During this time, the country was undergoing our first energy crisis, with government rebates forhttps://insulation.org/wp-content/uploads/2017/06/IO080405_01.jpg