{"id":17772,"date":"2026-11-07T20:43:48","date_gmt":"2026-11-07T19:43:48","guid":{"rendered":"https:\/\/ventsystems.de\/lexikon\/ueberkopfverglasung\/"},"modified":"2026-11-07T20:43:48","modified_gmt":"2026-11-07T19:43:48","slug":"ueberkopfverglasung","status":"publish","type":"page","link":"https:\/\/ventsystems.de\/en\/lexikon\/ueberkopfverglasung\/","title":{"rendered":"Overhead glazing"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A <strong>Overhead glazing<\/strong> is glazing inclined more than 10\u00b0 from the vertical \u2013 i.e. glass roofs, roof windows, continuous rooflights and glazed skylights. Because the glass hangs above people, stricter rules apply than for vertical windows.<\/p>\n\n\n<h2 class=\"wp-block-heading\">What does DIN 18008 require?<\/h2>\n\n\n<p class=\"wp-block-paragraph\">According to DIN 18008, the lower pane of overhead glazing must usually consist of <a href=\"\/en\/dictionary\/verbundsicherheitsglas\/\">Laminated safety glass (VSG)<\/a> . If it breaks, the interlayers hold the fragments. The glass type required in each case is determined by the window manufacturer or structural engineer.<\/p>\n\n\n<h2 class=\"wp-block-heading\">What does this mean for the window actuator?<\/h2>\n\n\n<ul class=\"wp-block-list\"><li>More weight: laminated glass and thicker panes increase the <a href=\"\/en\/dictionary\/fluegelgewicht\/\">Sash weight<\/a>.<\/li><li>More force: on inclined sashes the actuator carries about half of the weight, plus the <a href=\"\/en\/dictionary\/schneelast\/\">Snow load<\/a>.<\/li><li>More reserve: for roof surfaces we recommend +50 % <a href=\"\/en\/dictionary\/reserve-sicherheitszuschlag\/\">Reserve<\/a>.<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\">Read more<\/h2>\n\n\n<ul class=\"wp-block-list\"><li><a href=\"\/en\/dictionary\/glasaufbau\/\">Glossary: glazing build-up<\/a><\/li><li><a href=\"\/en\/roof-window-drive\/\">Open roof windows electrically<\/a><\/li><li><a href=\"\/en\/skylight-drive\/\">Retrofit a rooflight with a motor<\/a><\/li><\/ul>\n\n\n<p class=\"wp-block-paragraph\"><strong>Tools:<\/strong> Calculate force and stroke with the <a href=\"\/en\/window-actuator-calculator\/\">Window actuator calculator<\/a>, find the right model in a few questions with the <a href=\"\/en\/drive-finder\/\">actuator finder<\/a>.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Not sure which actuator fits? Call us at <a href=\"tel:+494050694631\">040 50694631<\/a> (Mon\u2013Fri 8 am\u20135 pm) or use the <a href=\"\/en\/drive-finder\/\">actuator finder<\/a>.<\/p>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"\/en\/dictionary\/\">\u2190 Back to the glossary<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Eine \u00dcberkopfverglasung ist eine Verglasung, die mehr als 10\u00b0 gegen die Senkrechte geneigt ist \u2013 also Glasd\u00e4cher, Dachfenster, Lichtb\u00e4nder und verglaste Lichtkuppeln. Weil Glas hier \u00fcber Personen h\u00e4ngt, gelten strengere Regeln als bei senkrechten Fenstern. Was schreibt DIN 18008 vor? Nach DIN 18008 muss bei \u00dcberkopfverglasungen die untere Scheibe in der Regel aus Verbundsicherheitsglas (VSG) [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":16230,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-17772","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/17772","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/comments?post=17772"}],"version-history":[{"count":0,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/17772\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/16230"}],"wp:attachment":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/media?parent=17772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}