{"id":3390,"date":"2019-10-03T10:35:00","date_gmt":"2019-10-03T10:35:00","guid":{"rendered":"https:\/\/asturmadidoors.visualit.com.es\/how-to-install-a-firewall-porthole\/"},"modified":"2026-08-20T11:30:01","modified_gmt":"2026-08-20T11:30:01","slug":"how-to-install-a-fire-rated-vision-panel","status":"publish","type":"post","link":"https:\/\/asturmadidoors.visualit.com.es\/en\/blog\/how-to-install-a-fire-rated-vision-panel\/","title":{"rendered":"How to install a fire-rated vision panel"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Fire-rated peepholes are installed in fire doors to provide visibility through the door and prevent accidents when the door is opened.<\/p>\n\n<p class=\"wp-block-paragraph\">The fire-rated porthole is easy to install on-site. To do so, our technical staff recommends following these simple steps: <\/p>\n\n<p class=\"wp-block-paragraph\">To install a circular peephole<\/p>\n\n<p class=\"wp-block-paragraph\">&gt; Draw the circle to be cut, centered on the width of the door.<\/p>\n\n<p class=\"wp-block-paragraph\">&gt; Using a 6-mm drill bit, drill a hole along the edge of the marked line to guide the jigsaw. Once cut out, pull the cut-out piece away from the blade in one smooth motion. <\/p>\n\n<p class=\"wp-block-paragraph\">&gt; Place 4 staples in the hole as shown in the sketch.<\/p>\n\n<p class=\"wp-block-paragraph\">&gt; Place the ring on the blade. Mark the mounting holes for the ring and drill them. Then rivet the ring to the blade.  <\/p>\n\n<p class=\"wp-block-paragraph\">&gt; Turn the sheet over. Place the ceramic gasket around the glass, folding the excess over the glass. <\/p>\n\n<p class=\"wp-block-paragraph\">&gt; Insert the glass into the hole in the blade.<\/p>\n\n<p class=\"wp-block-paragraph\">&gt; Place the second ring on the blade. Mark the mounting holes for it and drill them. Rivet the ring to the blade.  <\/p>\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"723\" src=\"https:\/\/asturmadidoors.visualit.com.es\/wp-content\/uploads\/2026\/07\/07-mirilla-circular-1-1-1024x723.webp\" alt=\"\" class=\"wp-image-451\" srcset=\"https:\/\/asturmadidoors.visualit.com.es\/wp-content\/uploads\/2026\/07\/07-mirilla-circular-1-1-1024x723.webp 1024w, https:\/\/asturmadidoors.visualit.com.es\/wp-content\/uploads\/2026\/07\/07-mirilla-circular-1-1-300x212.webp 300w, https:\/\/asturmadidoors.visualit.com.es\/wp-content\/uploads\/2026\/07\/07-mirilla-circular-1-1-768x542.webp 768w, https:\/\/asturmadidoors.visualit.com.es\/wp-content\/uploads\/2026\/07\/07-mirilla-circular-1-1.webp 1472w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\"><br\/>Want to learn more?<br\/>Contact us for more information<br\/><a href=\"https:\/\/asturmadidoors.visualit.com.es\/contacto\/\">Contact Us<\/a><\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fire-rated peepholes are installed in fire doors to provide visibility through the door and prevent accidents when the door is opened. The fire-rated porthole is easy to install on-site. To do so, our technical staff recommends following these simple steps: To install a circular peephole &gt; Draw the circle to be cut, centered on the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3391,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[57,60],"tags":[],"class_list":["post-3390","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-instalacion-puertas-cortafuegoprofesional","category-tips"],"acf":[],"_links":{"self":[{"href":"https:\/\/asturmadidoors.visualit.com.es\/en\/wp-json\/wp\/v2\/posts\/3390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asturmadidoors.visualit.com.es\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asturmadidoors.visualit.com.es\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asturmadidoors.visualit.com.es\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/asturmadidoors.visualit.com.es\/en\/wp-json\/wp\/v2\/comments?post=3390"}],"version-history":[{"count":0,"href":"https:\/\/asturmadidoors.visualit.com.es\/en\/wp-json\/wp\/v2\/posts\/3390\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/asturmadidoors.visualit.com.es\/en\/wp-json\/wp\/v2\/media\/3391"}],"wp:attachment":[{"href":"https:\/\/asturmadidoors.visualit.com.es\/en\/wp-json\/wp\/v2\/media?parent=3390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asturmadidoors.visualit.com.es\/en\/wp-json\/wp\/v2\/categories?post=3390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asturmadidoors.visualit.com.es\/en\/wp-json\/wp\/v2\/tags?post=3390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}