{"id":52251,"date":"2025-09-16T13:07:44","date_gmt":"2025-09-16T11:07:44","guid":{"rendered":"https:\/\/new.cetris.cz\/?p=52251"},"modified":"2025-10-02T13:52:45","modified_gmt":"2025-10-02T11:52:45","slug":"kratke-nadpis-novinky","status":"publish","type":"post","link":"https:\/\/new.cetris.cz\/en\/kratke-nadpis-novinky\/","title":{"rendered":"Wooden ceiling with CETRIS meets up to 90 minutes of fire resistance"},"content":{"rendered":"

Thanks to the increasing requirements for fire resistance of building structures, we have developed ceiling structure compositions for wooden buildings, completed by testing in an accredited testing laboratory.<\/p>\n\n\n\n

The supporting element of the ceiling structure is wooden ceiling beams with a cross section of 100\u00d7180 mm made of coniferous wood, spaced 830 mm apart. The supporting structure is protected from the bottom by a suspended ceiling made of CETRIS BASIC cement-bonded particleboards with a thickness of 12 mm. The CETRIS boards themselves are anchored to the mounting CD profiles carried out on direct hangers. From the top, the structure is covered with a floor made of two layers of CETRIS BASIC cement-bonded particleboards with a thickness of 14 mm. In the cavity between the beams, non-combustible insulation is inserted - stone wool 60 mm thick, and insulation with the same bulk density of 40 kg\/m3 but only 40 mm thick is placed on the CD profiles. This combination of materials ensures a high level of safety and meets strict fire protection requirements. The above composition is ideal for various types of buildings where fire safety is emphasized.<\/p>\n\n\n\n

This ceiling structure achieves a fire resistance of 90 minutes, which makes it a safe element in the field of building structures. When installing the suspended ceiling, it is necessary to leave joints with a minimum width of 3-4 mm when laying CETRIS boards, which are subsequently filled with Soudal Fire Silicone B1 FR fire-resistant sealant.<\/p>\n\n\n\n

In contrast, CETRIS cement-bonded particle boards are laid abuttingly when laying the floor - the joint is left only around the perimeter of the walls and partitions, with a width of at least 10 mm and is filled with a strip of mineral or stone wool. In the case of different spacing of the supporting beams, when it is not possible to use CETRIS PD floor boards (with a tongue and groove around the perimeter), the ideal solution is to lay the floor from two layers of CETRIS BASIC boards (with a perpendicular edge), overlapped and screwed to the supporting beams.<\/p>\n\n\n\n

Link here<\/a><\/p>\n\n\n\n

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D\u00edky nar\u016fstaj\u00edc\u00edm po\u017eadavk\u016fm na po\u017e\u00e1rn\u00ed odolnost stavebn\u00edch konstrukc\u00ed jsme vyvinuli skladby stropn\u00ed konstrukce pro d\u0159evostavby, ukon\u010den\u00e9 zkou\u0161kou v akreditovan\u00e9 zku\u0161ebn\u011b. Nosn\u00fdm prvkem stropn\u00ed konstrukce jsou d\u0159ev\u011bn\u00e9 stropn\u00ed tr\u00e1my pr\u016f\u0159ezu 100×180 mm z jehli\u010dnat\u00e9ho d\u0159eva, v odstupu 830 mm. Nosn\u00e1 konstrukce je ze spodn\u00ed strany chr\u00e1n\u011bna podhledem z cementot\u0159\u00edskov\u00fdch desek CETRIS BASIC o tlou\u0161\u0165ce 12 mm.…<\/p>","protected":false},"author":8,"featured_media":52347,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"pouziti":[],"typ-desky":[],"zeme":[],"class_list":["post-52251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novinky","category-1","description-off"],"acf":[],"_links":{"self":[{"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/posts\/52251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/comments?post=52251"}],"version-history":[{"count":8,"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/posts\/52251\/revisions"}],"predecessor-version":[{"id":53686,"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/posts\/52251\/revisions\/53686"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/media\/52347"}],"wp:attachment":[{"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/media?parent=52251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/categories?post=52251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/tags?post=52251"},{"taxonomy":"pouziti","embeddable":true,"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/pouziti?post=52251"},{"taxonomy":"typ-desky","embeddable":true,"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/typ-desky?post=52251"},{"taxonomy":"zeme","embeddable":true,"href":"https:\/\/new.cetris.cz\/en\/wp-json\/wp\/v2\/zeme?post=52251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}