{"id":8448,"date":"2025-01-28T08:21:17","date_gmt":"2025-01-28T07:21:17","guid":{"rendered":"https:\/\/faber-solartechnik.de\/?p=8448"},"modified":"2025-01-28T11:05:58","modified_gmt":"2025-01-28T10:05:58","slug":"ardey-quelle-dachsanierung","status":"publish","type":"post","link":"https:\/\/faber-solartechnik.de\/en\/projekte\/ardey-quelle-dachsanierung\/","title":{"rendered":"Ardey Quelle - Major roof refurbishment project"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"8448\" class=\"elementor elementor-8448\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-00d9fbe e-flex e-con-boxed e-con e-parent\" data-id=\"00d9fbe\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-29ecb36 elementor-widget elementor-widget-heading\" data-id=\"29ecb36\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Faber Solartechnik in the magazine \"WIR \u00dcBER UNS\" by RheinfelsQuellen H. H\u00f6velmann!<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10dd3e6 elementor-widget elementor-widget-text-editor\" data-id=\"10dd3e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We are delighted that our work for the major project <a href=\"https:\/\/ardey-quelle.de\/\" target=\"_blank\" rel=\"noopener\">ARDEY SOURCE<\/a> - roof renovation and photovoltaic installation - is presented in the current 2024 issue of the \"About us\" magazine. The issue is aimed at employees of the <a href=\"https:\/\/www.mineralquellen-hoevelmann.de\/\" target=\"_blank\" rel=\"noopener\">H\u00f6velmann beverage and fountain companies<\/a>.<\/p><p>The article describes in detail our role as general contractor for the roof refurbishment and installation of photovoltaic systems at the Dortmund site. The close collaboration with our project manager Marco Pfeiffer, who provides exciting insights into the challenges and solutions of this major project, is particularly noteworthy.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-897ed15 e-flex e-con-boxed e-con e-parent\" data-id=\"897ed15\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-92a890c e-con-full e-flex e-con e-child\" data-id=\"92a890c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8acc649 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"8acc649\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInLeft&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Wir-ueber-uns-Titelblatt-2024.jpg\" data-elementor-open-lightbox=\"yes\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6ODQ2NCwidXJsIjoiaHR0cHM6XC9cL2ZhYmVyLXNvbGFydGVjaG5pay5kZVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMDFcL1dpci11ZWJlci11bnMtVGl0ZWxibGF0dC0yMDI0LmpwZyJ9\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"1025\" src=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Wir-ueber-uns-Titelblatt-2024-768x1025.jpg\" class=\"attachment-medium_large size-medium_large wp-image-8464\" alt=\"\" srcset=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Wir-ueber-uns-Titelblatt-2024-768x1025.jpg 768w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Wir-ueber-uns-Titelblatt-2024-225x300.jpg 225w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Wir-ueber-uns-Titelblatt-2024-767x1024.jpg 767w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Wir-ueber-uns-Titelblatt-2024-9x12.jpg 9w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Wir-ueber-uns-Titelblatt-2024.jpg 1050w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fe0da33 e-con-full e-flex e-con e-child\" data-id=\"fe0da33\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1cc09a elementor-invisible elementor-widget elementor-widget-image\" data-id=\"d1cc09a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInRight&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Ardey-Quelle.png\" data-elementor-open-lightbox=\"yes\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6ODQ2MywidXJsIjoiaHR0cHM6XC9cL2ZhYmVyLXNvbGFydGVjaG5pay5kZVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMDFcL0FyZGV5LVF1ZWxsZS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Ardey-Quelle-768x1024.png\" class=\"attachment-medium_large size-medium_large wp-image-8463\" alt=\"\" srcset=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Ardey-Quelle-768x1024.png 768w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Ardey-Quelle-225x300.png 225w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Ardey-Quelle-9x12.png 9w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Ardey-Quelle.png 1051w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-970a18b e-flex e-con-boxed e-con e-parent\" data-id=\"970a18b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4b6977e elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4b6977e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e63b3a1 elementor-widget elementor-widget-heading\" data-id=\"e63b3a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Highlights of the project<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa04222 elementor-widget elementor-widget-text-editor\" data-id=\"aa04222\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Refurbishment of a roof area of 13,000 m\u00b2<\/li><li>Photovoltaic system with 1,006 kWp output, including 728 kWp self-consumption system<\/li><li>Challenges such as weather-related delays, complex logistics and the use of a 600 kVA emergency power generator during the conversion of the medium-voltage system<\/li><li>Innovative solutions for optimising the drainage system and waterproofing<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ea8d005 e-grid e-con-boxed e-con e-parent\" data-id=\"ea8d005\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-83caca5 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"83caca5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-7-1.jpeg\" data-elementor-open-lightbox=\"yes\" 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https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-7-1.jpeg 1280w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58fe99c elementor-invisible elementor-widget elementor-widget-image\" data-id=\"58fe99c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;,&quot;_animation_delay&quot;:300}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-6-1.jpeg\" data-elementor-open-lightbox=\"yes\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6ODQ2NywidXJsIjoiaHR0cHM6XC9cL2ZhYmVyLXNvbGFydGVjaG5pay5kZVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMDFcL0FSREVZLVFVRUxMRS1QVkEtRG9ydG11bmQtNi0xLmpwZWcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"576\" src=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-6-1-768x576.jpeg\" class=\"attachment-medium_large size-medium_large wp-image-8467\" alt=\"\" srcset=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-6-1-768x576.jpeg 768w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-6-1-300x225.jpeg 300w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-6-1-1024x768.jpeg 1024w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-6-1-16x12.jpeg 16w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-6-1.jpeg 1280w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13c6de2 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"13c6de2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;,&quot;_animation_delay&quot;:300}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-3-1.jpeg\" data-elementor-open-lightbox=\"yes\" 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https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-3-1.jpeg 1280w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-64c9bd5 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"64c9bd5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-1-1.jpeg\" data-elementor-open-lightbox=\"yes\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6ODQ2NSwidXJsIjoiaHR0cHM6XC9cL2ZhYmVyLXNvbGFydGVjaG5pay5kZVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMDFcL0FSREVZLVFVRUxMRS1QVkEtRG9ydG11bmQtMS0xLmpwZWcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"576\" src=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-1-1-768x576.jpeg\" class=\"attachment-medium_large size-medium_large wp-image-8465\" alt=\"\" srcset=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-1-1-768x576.jpeg 768w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-1-1-300x225.jpeg 300w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-1-1-1024x768.jpeg 1024w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-1-1-16x12.jpeg 16w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/ARDEY-QUELLE-PVA-Dortmund-1-1.jpeg 1280w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8fc3367 e-flex e-con-boxed e-con e-parent\" data-id=\"8fc3367\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c2d064a elementor-widget elementor-widget-text-editor\" data-id=\"c2d064a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The full original text of the article shows the details of our work and the challenges we have successfully overcome. Read the original text from the magazine here:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ebb941 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7ebb941\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79b3a05 elementor-widget elementor-widget-heading\" data-id=\"79b3a05\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ARDEY SOURCE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1a5e01 elementor-widget elementor-widget-heading\" data-id=\"e1a5e01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Major roof renovation project\n\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-273c56b elementor-widget elementor-widget-text-editor\" data-id=\"273c56b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Faber Solartechnik, a general contractor from B\u00fcnde, presented Ardey Quelle with a convincing solution proposal in preliminary talks, which envisaged a complete refurbishment of the roof area at the Dortmund site. While we only use part of it for our own photovoltaic system, the remaining area is leased to Faber Solartechnik for the installation of their PV systems with 1,006 kWp. Our self-consumption system comprises 728 kWp to cover the majority of our energy requirements. We have the <strong>Project manager Marco Pfeiffer from Faber Solartechnik<\/strong> about the current status of the work.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e754a8 elementor-widget elementor-widget-text-editor\" data-id=\"6e754a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>How far along are you in the implementation process?<\/h4><p>The system is already producing electricity. We are in the final coordination phase with the metering point operator, the grid operator and the direct marketer. We are currently optimising the processes to ensure precise billing of the surplus feed-in. This will be followed by final acceptance, which is planned for the end of the year. Dividing a plant into two areas and designing it as a self-consumption plant as well as a leasing and investment plant requires precise planning and good cooperation between us, the buyer, any investors and also the metering point and grid operators. Unfortunately, a number of challenges have set us back somewhat in terms of time for this major project.<\/p><h4>What were the challenges?<\/h4><p>The shorter daylight hours in the winter months made the work on the roof considerably more difficult. In addition, as is not unusual at this time of year, we had to take into account sickness-related absences in the team. Of course, these factors are nothing new and are always taken into account to some extent when planning for the bad weather months, but the weeks of rain in spring led to major delays that were neither foreseeable nor completely predictable. Construction phases had to be split up due to the weather. This affected subsequent processes and other projects running in parallel. Supply bottlenecks at supplier companies and very high demand on the PV market were also a factor. As this project was not just about erecting the PV system, the construction sector, deliveries and logistics also had to be taken into account. Added to this were the booming PV enquiries from grid providers throughout Germany, over which we have little influence as a general solar company, but without whose approval we could not make any progress. The plant was originally due to be connected to the grid in April, but unfortunately it ended up being the end of June.<\/p><h4>What do your solutions look like?<\/h4><p>In order to rebuild the transformer and the medium-voltage system, we had to take the entire operation at the Dortmund site off the power grid and continue to supply it via a 600 kVA emergency power generator out of consideration for ongoing production and to minimise the outage as much as possible. Our team worked around the clock to ensure that production could restart smoothly at the beginning of the week.<br \/>Renovating a roof area of this size is an enormous challenge. With constant rain and storms, it was also an unprecedented experience for us. We could only work in sections because the substrate had to be dry for laying the FPO membranes. Some parts had to be elaborately protected with tarpaulins. This meant additional work. In addition, a gravel covering had to be removed from the approximately 1,000 square metre flat roof of the office area before we could start with the actual renovation. All the connections to the many strip lights and skylight domes on the roof had to be replaced. During the work, we discovered that the existing drainage system was inadequate, so we had to install additional gullies and wedges to channel the rainwater away.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2486411 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"2486411\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b2f7876 elementor-widget elementor-widget-button\" data-id=\"b2f7876\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/getraenkegruppe-hoevelmann.de\/?r3d=wir-ueber-uns-2024\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-eye\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Online version \"WE ABOUT US\" 2024<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37c2131 elementor-widget elementor-widget-button\" data-id=\"37c2131\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/getraenkegruppe-hoevelmann.de\/\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-folder-open\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Further editions<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1dd16d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b1dd16d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-142998f elementor-widget elementor-widget-text-editor\" data-id=\"142998f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ZITAT\"><span style=\"letter-spacing: .9pt;\">\"<\/span>A roof renovation of 13,000 square metres is an extraordinary challenge, even for us professionals, and often involves unexpected and unforeseeable additional steps.\"<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-93cde38 e-con-full e-flex e-con e-child\" data-id=\"93cde38\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-8963120 e-con-full e-flex e-con e-child\" data-id=\"8963120\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b7922ea elementor-widget elementor-widget-image\" data-id=\"b7922ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Marco.jpg\" data-elementor-open-lightbox=\"yes\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6ODQ1OCwidXJsIjoiaHR0cHM6XC9cL2ZhYmVyLXNvbGFydGVjaG5pay5kZVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMDFcL01hcmNvLmpwZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Marco-300x300.jpg\" class=\"attachment-medium size-medium wp-image-8458\" alt=\"\" srcset=\"https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Marco-300x300.jpg 300w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Marco-150x150.jpg 150w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Marco-12x12.jpg 12w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Marco-400x400.jpg 400w, https:\/\/faber-solartechnik.de\/wp-content\/uploads\/2025\/01\/Marco.jpg 420w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dcd51ab e-con-full e-flex e-con e-child\" data-id=\"dcd51ab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1751f3f elementor-widget elementor-widget-heading\" data-id=\"1751f3f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Marco Pfeiffer<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93d1b24 elementor-widget elementor-widget-heading\" data-id=\"93d1b24\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Project Manager Faber Solar Technology <\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10a97bb elementor-align-start elementor-widget__width-auto elementor-tablet_extra-align-center elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-invisible elementor-widget elementor-widget-icon-list\" data-id=\"10a97bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"tel:+4952236570825\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-phone-alt\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><strong>Telephone<\/strong> (+49) 05223 65708-25<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"mailto:m.pfeiffer@faber-solartechnik.de\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-at\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><strong>Mail<\/strong> m.pfeiffer@faber-solartechnik.de<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4446caa e-flex e-con-boxed e-con e-parent\" data-id=\"4446caa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ead7735 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"ead7735\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72d2f70 elementor-widget elementor-widget-text-editor\" data-id=\"72d2f70\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We would like to thank the <strong>RheinfelsQuellen H. H\u00f6velmann GmbH &amp; Co. KG<\/strong> for the opportunity to present this exciting project in their magazine!<\/p><p>Stay up to date: Follow us on our social channels or contact us for more information about our solar energy and roof renovation services.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3c82a29 e-flex e-con-boxed e-con e-parent\" data-id=\"3c82a29\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7c9bda elementor-shape-circle elementor-grid-0 e-grid-align-center elementor-widget elementor-widget-social-icons\" data-id=\"e7c9bda\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"social-icons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-social-icons-wrapper elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t<span class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t<a class=\"elementor-icon elementor-social-icon elementor-social-icon-instagram elementor-animation-grow elementor-repeater-item-4c709ca\" href=\"https:\/\/www.instagram.com\/faber.energy\/\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t<span class=\"elementor-screen-only\">Instagram<\/span>\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fab fa-instagram\"><\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t<a class=\"elementor-icon elementor-social-icon elementor-social-icon-facebook elementor-animation-grow elementor-repeater-item-2651a5f\" href=\"https:\/\/www.facebook.com\/people\/Faber-E-Tec\/100087351948615\/\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t<span class=\"elementor-screen-only\">Facebook<\/span>\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fab fa-facebook\"><\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t<a class=\"elementor-icon elementor-social-icon elementor-social-icon-threads elementor-animation-grow elementor-repeater-item-a83f52e\" href=\"https:\/\/www.threads.net\/@faber.energy\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t<span class=\"elementor-screen-only\">Threads<\/span>\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fab fa-threads\"><\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t<a class=\"elementor-icon elementor-social-icon elementor-social-icon-linkedin elementor-animation-grow elementor-repeater-item-2b87a25\" href=\"https:\/\/www.linkedin.com\/company\/faber-etec\/\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t<span class=\"elementor-screen-only\">Linkedin<\/span>\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fab fa-linkedin\"><\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t<a class=\"elementor-icon elementor-social-icon elementor-social-icon-x-twitter elementor-animation-grow elementor-repeater-item-aade526\" href=\"https:\/\/x.com\/Faber_Energy\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-screen-only\">X-twitter<\/span>\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fab fa-x-twitter\"><\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t<a class=\"elementor-icon elementor-social-icon elementor-social-icon-youtube elementor-animation-grow elementor-repeater-item-afaaa4e\" href=\"https:\/\/www.youtube.com\/@Faber.Energy\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t<span class=\"elementor-screen-only\">Youtube<\/span>\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fab fa-youtube\"><\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Our major project in Dortmund was featured in the H\u00f6velmann beverage group's employee magazine.<\/p>","protected":false},"author":2,"featured_media":8451,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12,9],"tags":[],"class_list":["post-8448","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-projekte"],"acf":[],"_links":{"self":[{"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/posts\/8448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/comments?post=8448"}],"version-history":[{"count":25,"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/posts\/8448\/revisions"}],"predecessor-version":[{"id":8499,"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/posts\/8448\/revisions\/8499"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/media\/8451"}],"wp:attachment":[{"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/media?parent=8448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/categories?post=8448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/faber-solartechnik.de\/en\/wp-json\/wp\/v2\/tags?post=8448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}