1.0Leadworxhttps://www.leadworx.com/ie/Leadworxhttps://www.leadworx.com/ie/author/leadworxcp/rich600338<blockquote class="wp-embedded-content" data-secret="7zBBQiuzkS"><a href="https://www.leadworx.com/ie/3d-models/lead-wall-vents-round-specification/">Lead Wall Vents (Round) Specification</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.leadworx.com/ie/3d-models/lead-wall-vents-round-specification/embed/#?secret=7zBBQiuzkS" width="600" height="338" title="“Lead Wall Vents (Round) Specification” — Leadworx" data-secret="7zBBQiuzkS" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! 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); //# sourceURL=https://www.leadworx.com/wp-includes/js/wp-embed.min.js </script> https://www.leadworx.com/wp-content/uploads/2019/06/Wall-Vent-Round-Left.jpg19201920The free area is approximately 4000mm2 Our lead roof void vent fits in line with tiles or slates to effectively provide roof space ventilation, helping to avoid condensation and damp issues. To enhance the ventilation of a roof void, these solutions provide a premium and eco-friendly approach to incorporating ventilation into your roof. Specification Sheet