1.0Fröhling & Rathjen - Ingenieurbüro für Baustatikhttps://www.froehling-rathjen.de/en/rich600338<blockquote class="wp-embedded-content" data-secret="XeajfQMlNP"><a href="https://www.froehling-rathjen.de/en/photovoltaics/">Photovoltaics</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.froehling-rathjen.de/en/photovoltaics/embed/#?secret=XeajfQMlNP" width="600" height="338" title="“Photovoltaics” — Fröhling & Rathjen - Ingenieurbüro für Baustatik" data-secret="XeajfQMlNP" 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.froehling-rathjen.de/wp-includes/js/wp-embed.min.js </script> Our services | Photovoltaics You are planning the (subsequent) installation of a PV system on the roof of your house, carport or other building? We check for you whether your roof can take this additional load. We dimension the necessary substructure. Consulting Measurement Preparation of the required static proofs Preparation of any necessary drawings > […]