{"id":6786,"date":"2026-11-02T05:09:13","date_gmt":"2026-11-02T05:09:13","guid":{"rendered":"https:\/\/www.ggsteelstruct.com\/?p=6786"},"modified":"2026-11-04T06:51:19","modified_gmt":"2026-11-04T06:51:19","slug":"composite-floor-deck","status":"publish","type":"post","link":"https:\/\/www.ggsteelstruct.com\/ar\/resources\/composite-floor-deck\/","title":{"rendered":"Composite floor deck and truss deck: how to choose"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1440\" height=\"1080\" src=\"https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/prefabricated-floor-deck-261.webp\" alt=\"\" class=\"wp-image-6427\" srcset=\"https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/prefabricated-floor-deck-261.webp 1440w, https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/prefabricated-floor-deck-261-300x225.webp 300w, https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/prefabricated-floor-deck-261-1024x768.webp 1024w, https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/prefabricated-floor-deck-261-768x576.webp 768w, https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/prefabricated-floor-deck-261-16x12.webp 16w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">On a steel frame, the floor is usually built on a deck that acts as formwork, and often as reinforcement. The choice affects propping, fire protection and what the ceiling looks like.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"options\">The three main options<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Deck<\/th><th>Acts as<\/th><th>Soffit<\/th><th>Propping<\/th><th>Fire<\/th><\/tr><\/thead><tbody><tr><th>Profiled composite deck<\/th><td>Formwork and tension reinforcement<\/td><td>Exposed ribs<\/td><td>Depends on span<\/td><td>Protection often needed<\/td><\/tr><tr><th>Steel bar truss deck on sheet<\/th><td>Formwork; truss is reinforcement<\/td><td>Flat steel sheet<\/td><td>Usually none<\/td><td>Protection or ceiling<\/td><\/tr><tr><th>Truss deck on fibre-cement board<\/th><td>Formwork that bonds to slab<\/td><td>Flat, paintable board<\/td><td>Light props over 2 m<\/td><td>\u0644\u0648\u062d \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 \u0623<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"choose\">How to choose<\/h2>\n\n\n\n<ul class=\"wp-block-list is-style-check\">\n<li>Exposed ceiling wanted: fibre-cement base deck<\/li>\n\n\n<li>Long spans without props: steel bar truss deck<\/li>\n\n\n<li>Lowest material cost and simple spans: profiled deck<\/li>\n\n\n<li>Corrosive or humid floors: avoid exposed steel soffits<\/li>\n<\/ul>\n\n\n\n<p class=\"is-note wp-block-paragraph\"><strong>Check the slab thickness:<\/strong> truss decks need a minimum slab, for our deck 100 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0646\u0638\u0631 <a href=\"\/ar\/products\/floor-deck-mezzanine\/\">\u0633\u0637\u062d \u0623\u0631\u0636\u064a\u0629 \u0647\u064a\u0643\u0644 \u0634\u0628\u0643\u064a<\/a> for our product data.<\/p>","protected":false},"excerpt":{"rendered":"<p>Profiled metal deck, steel bar truss deck and formwork-free truss deck with fibre-cement base compared on propping, fire, finish and cost.<\/p>","protected":false},"author":1,"featured_media":6427,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_aseo_title":"Composite Floor Deck vs Truss Deck: How to Choose | GG Steel","_aseo_desc":"Profiled metal deck, steel bar truss deck and formwork-free truss deck with fibre-cement base compared on propping, fire rating, finish and cost. Read the comparison guide.","_aseo_noindex":false,"_aseo_og_image":0,"_aseo_schema_type":""},"categories":[30],"tags":[],"class_list":["post-6786","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides"],"_links":{"self":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/posts\/6786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/comments?post=6786"}],"version-history":[{"count":5,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/posts\/6786\/revisions"}],"predecessor-version":[{"id":7277,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/posts\/6786\/revisions\/7277"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/media\/6427"}],"wp:attachment":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/media?parent=6786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/categories?post=6786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/tags?post=6786"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}