1.0Design Buy Buildhttps://designbuybuild.co.ukJosh Holmeshttps://designbuybuild.co.uk/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="qp6RYAHR3P"><a href="https://designbuybuild.co.uk/w40-steel-screens-offering-stylish-performance/">W40 steel screens offering stylish performance</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://designbuybuild.co.uk/w40-steel-screens-offering-stylish-performance/embed/#?secret=qp6RYAHR3P" width="600" height="338" title="“W40 steel screens offering stylish performance” — Design Buy Build" data-secret="qp6RYAHR3P" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(c,l){"use strict";var e=!1,o=!1;if(l.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=0;o<n.length;o++)n[o].style.display="none";for(o=0;o<i.length;o++)if(r=i[o],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=l.createElement("a"),a=l.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,a.host===s.host)if(l.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=l.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> https://designbuybuild.co.uk/wp-content/uploads/2014/04/SWA9.jpg27621840The doorsets and screens now available from members of the Steel Window Association offer specifiers the ultimate blend of style, security and sustainable performance. As the most modern version of the traditional W20 steel window, the W40 system achieves continuity of style with similar attributes in terms of slenderness and light transmission, while the greater profile depth creates room for 28mm thick IG units.  This means triple glazing becomes an option, although warm edge spacer bars, gas filling and other enhancements enable Part L of the Building Regulations to be complied with in new build, for most applications, when specifying […]