{"id":1948,"date":"2026-07-23T10:06:05","date_gmt":"2026-07-23T03:06:05","guid":{"rendered":"https:\/\/sigmatruss.com\/?p=1948"},"modified":"2026-08-15T16:49:23","modified_gmt":"2026-08-15T09:49:23","slug":"truss-vs-steel","status":"publish","type":"post","link":"https:\/\/sigmatruss.com\/en\/articles\/truss-vs-steel\/","title":{"rendered":"What is the difference between Prefabricated Roof Trusses and Structural Steel Roof Trusses?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1948\" class=\"elementor elementor-1948\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e60a55c e-con-full e-flex e-con e-parent\" data-id=\"e60a55c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-890f15c elementor-widget elementor-widget-image\" data-id=\"890f15c\" data-element_type=\"widget\" data-e-type=\"widget\" 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class=\"elementor-shortcode\"><div class=\"post-views content-post post-1948 entry-meta load-static\" data-pvc-type=\"post\" data-pvc-id=\"1948\">\r\n\t\t\t\t<span class=\"post-views-icon dashicons dashicons-chart-bar\"><\/span> <span class=\"post-views-label\">Views :<\/span> <span class=\"post-views-count\">72<\/span>\r\n\t\t\t<\/div><\/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<div class=\"elementor-element elementor-element-6caca7b e-flex e-con-boxed e-con e-parent\" data-id=\"6caca7b\" 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-49e9863 elementor-widget elementor-widget-image\" data-id=\"49e9863\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1254\" height=\"1254\" src=\"https:\/\/sigmatruss.com\/wp-content\/uploads\/2026\/07\/What-is-the-difference-between-Prefabricated-Roof-Trusses-and-Structural-Steel-Roof-Trusses.webp\" class=\"attachment-full size-full wp-image-1950\" alt=\"\" srcset=\"https:\/\/sigmatruss.com\/wp-content\/uploads\/2026\/07\/What-is-the-difference-between-Prefabricated-Roof-Trusses-and-Structural-Steel-Roof-Trusses.webp 1254w, https:\/\/sigmatruss.com\/wp-content\/uploads\/2026\/07\/What-is-the-difference-between-Prefabricated-Roof-Trusses-and-Structural-Steel-Roof-Trusses-300x300.webp 300w, https:\/\/sigmatruss.com\/wp-content\/uploads\/2026\/07\/What-is-the-difference-between-Prefabricated-Roof-Trusses-and-Structural-Steel-Roof-Trusses-1024x1024.webp 1024w, https:\/\/sigmatruss.com\/wp-content\/uploads\/2026\/07\/What-is-the-difference-between-Prefabricated-Roof-Trusses-and-Structural-Steel-Roof-Trusses-150x150.webp 150w, https:\/\/sigmatruss.com\/wp-content\/uploads\/2026\/07\/What-is-the-difference-between-Prefabricated-Roof-Trusses-and-Structural-Steel-Roof-Trusses-768x768.webp 768w, https:\/\/sigmatruss.com\/wp-content\/uploads\/2026\/07\/What-is-the-difference-between-Prefabricated-Roof-Trusses-and-Structural-Steel-Roof-Trusses-12x12.webp 12w\" sizes=\"(max-width: 1254px) 100vw, 1254px\" \/>\t\t\t\t\t\t\t\t\t\t\t\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-49f5b2b e-flex e-con-boxed e-con e-parent\" data-id=\"49f5b2b\" 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-437d84b e-con-full e-flex e-con e-child\" data-id=\"437d84b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40a5a53 elementor-widget elementor-widget-heading\" data-id=\"40a5a53\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/sigmatruss.com\/en\/products\/truss\/\" target=\"_blank\">Thinking of a roof truss? Choose prefabricated roof trusses.<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc56e04 elementor-widget elementor-widget-heading\" data-id=\"fc56e04\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sigma Truss<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-adb22bb e-con-full e-flex e-con e-child\" data-id=\"adb22bb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-82e54f9 e-con-full e-flex e-con e-child\" data-id=\"82e54f9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-87dac07 e-con-full e-flex e-con e-child\" data-id=\"87dac07\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;shape_divider_top&quot;:&quot;triangle-asymmetrical&quot;,&quot;shape_divider_top_negative&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-shape elementor-shape-top\" aria-hidden=\"true\" data-negative=\"true\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 1000 100\" preserveaspectratio=\"none\">\n\t<path class=\"elementor-shape-fill\" d=\"M737.9,94.7L0,0v100h1000V0L737.9,94.7z\"\/>\n<\/svg>\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8865128 elementor-widget elementor-widget-heading\" data-id=\"8865128\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Prefabricated Sigma Truss<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-68ee950 e-con-full e-flex e-con e-child\" data-id=\"68ee950\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9b641a7 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"9b641a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\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<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256c0 136.967-111.033 248-248 248S8 392.967 8 256 119.033 8 256 8s248 111.033 248 248zM227.314 387.314l184-184c6.248-6.248 6.248-16.379 0-22.627l-22.627-22.627c-6.248-6.249-16.379-6.249-22.628 0L216 308.118l-70.059-70.059c-6.248-6.248-16.379-6.248-22.628 0l-22.627 22.627c-6.248 6.248-6.248 16.379 0 22.627l104 104c6.249 6.249 16.379 6.249 22.628.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">High-tensile steel, fully galvanized for guaranteed rust resistance.<\/span>\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<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256c0 136.967-111.033 248-248 248S8 392.967 8 256 119.033 8 256 8s248 111.033 248 248zM227.314 387.314l184-184c6.248-6.248 6.248-16.379 0-22.627l-22.627-22.627c-6.248-6.249-16.379-6.249-22.628 0L216 308.118l-70.059-70.059c-6.248-6.248-16.379-6.248-22.628 0l-22.627 22.627c-6.248 6.248-6.248 16.379 0 22.627l104 104c6.249 6.249 16.379 6.249 22.628.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Rust-free for life, with no anti-rust painting required.<\/span>\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<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256c0 136.967-111.033 248-248 248S8 392.967 8 256 119.033 8 256 8s248 111.033 248 248zM227.314 387.314l184-184c6.248-6.248 6.248-16.379 0-22.627l-22.627-22.627c-6.248-6.249-16.379-6.249-22.628 0L216 308.118l-70.059-70.059c-6.248-6.248-16.379-6.248-22.628 0l-22.627 22.627c-6.248 6.248-6.248 16.379 0 22.627l104 104c6.249 6.249 16.379 6.249 22.628.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Designed with specialized engineering software for absolute precision in every part.<\/span>\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<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256c0 136.967-111.033 248-248 248S8 392.967 8 256 119.033 8 256 8s248 111.033 248 248zM227.314 387.314l184-184c6.248-6.248 6.248-16.379 0-22.627l-22.627-22.627c-6.248-6.249-16.379-6.249-22.628 0L216 308.118l-70.059-70.059c-6.248-6.248-16.379-6.248-22.628 0l-22.627 22.627c-6.248 6.248-6.248 16.379 0 22.627l104 104c6.249 6.249 16.379 6.249 22.628.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">All prefabricated roof components come pre-cut and numbered for easy, hassle-free on-site assembly based on the design plan<\/span>\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<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256c0 136.967-111.033 248-248 248S8 392.967 8 256 119.033 8 256 8s248 111.033 248 248zM227.314 387.314l184-184c6.248-6.248 6.248-16.379 0-22.627l-22.627-22.627c-6.248-6.249-16.379-6.249-22.628 0L216 308.118l-70.059-70.059c-6.248-6.248-16.379-6.248-22.628 0l-22.627 22.627c-6.248 6.248-6.248 16.379 0 22.627l104 104c6.249 6.249 16.379 6.249 22.628.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">5 Year Installation Warranty<\/span>\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<div class=\"elementor-element elementor-element-677a137 e-con-full e-flex e-con e-child\" data-id=\"677a137\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9293c69 e-con-full e-flex e-con e-child\" data-id=\"9293c69\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;shape_divider_top&quot;:&quot;triangle-asymmetrical&quot;,&quot;shape_divider_top_negative&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-shape elementor-shape-top\" aria-hidden=\"true\" data-negative=\"true\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 1000 100\" preserveaspectratio=\"none\">\n\t<path class=\"elementor-shape-fill\" d=\"M737.9,94.7L0,0v100h1000V0L737.9,94.7z\"\/>\n<\/svg>\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab62b09 elementor-widget elementor-widget-heading\" data-id=\"ab62b09\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Structural Steel Roof<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-97b5fdf e-con-full e-flex e-con e-child\" data-id=\"97b5fdf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-02df62a elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"02df62a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\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<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">It uses general black steel, which is not rust-resistant.<\/span>\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<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Apply rust-preventive paint before installation and every time after welding.<\/span>\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<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Depending on the technician's experience can lead to slight inaccuracies.<\/span>\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<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Cutting and painting anti-rust coating on-site wastes installation time, and the quality depends too much on the workers' skill.<\/span>\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<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">No warranty.<\/span>\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\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bb80dbc e-flex e-con-boxed e-con e-parent\" data-id=\"bb80dbc\" 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-7d7deba elementor-widget elementor-widget-heading\" data-id=\"7d7deba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Contact Information<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de93439 elementor-widget elementor-widget-heading\" data-id=\"de93439\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sigma Steel 2011 Co., Ltd.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c6684e0 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"c6684e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\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=\"https:\/\/maps.app.goo.gl\/MjhQYZYanmCQGn5y8\" target=\"_blank\">\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<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-map-marker-alt\" viewbox=\"0 0 384 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M172.268 501.67C26.97 291.031 0 269.413 0 192 0 85.961 85.961 0 192 0s192 85.961 192 192c0 77.413-26.97 99.031-172.268 309.67-9.535 13.774-29.93 13.773-39.464 0zM192 272c44.183 0 80-35.817 80-80s-35.817-80-80-80-80 35.817-80 80 35.817 80 80 80z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">9\/10 Moo 1, Bueng Kham Phroi Subdistrict, Lam Luk Ka District, Pathum Thani Province 12150<\/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:sigmatruss2011@gmail.com\">\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<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-envelope\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">sigmatruss2011@gmail.com<\/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=\"https:\/\/lin.ee\/q5hJCSr\" target=\"_blank\">\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<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fab-line\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M272.1 204.2v71.1c0 1.8-1.4 3.2-3.2 3.2h-11.4c-1.1 0-2.1-.6-2.6-1.3l-32.6-44v42.2c0 1.8-1.4 3.2-3.2 3.2h-11.4c-1.8 0-3.2-1.4-3.2-3.2v-71.1c0-1.8 1.4-3.2 3.2-3.2H219c1 0 2.1.5 2.6 1.4l32.6 44v-42.2c0-1.8 1.4-3.2 3.2-3.2h11.4c1.8-.1 3.3 1.4 3.3 3.1zm-82-3.2h-11.4c-1.8 0-3.2 1.4-3.2 3.2v71.1c0 1.8 1.4 3.2 3.2 3.2h11.4c1.8 0 3.2-1.4 3.2-3.2v-71.1c0-1.7-1.4-3.2-3.2-3.2zm-27.5 59.6h-31.1v-56.4c0-1.8-1.4-3.2-3.2-3.2h-11.4c-1.8 0-3.2 1.4-3.2 3.2v71.1c0 .9.3 1.6.9 2.2.6.5 1.3.9 2.2.9h45.7c1.8 0 3.2-1.4 3.2-3.2v-11.4c0-1.7-1.4-3.2-3.1-3.2zM332.1 201h-45.7c-1.7 0-3.2 1.4-3.2 3.2v71.1c0 1.7 1.4 3.2 3.2 3.2h45.7c1.8 0 3.2-1.4 3.2-3.2v-11.4c0-1.8-1.4-3.2-3.2-3.2H301v-12h31.1c1.8 0 3.2-1.4 3.2-3.2V234c0-1.8-1.4-3.2-3.2-3.2H301v-12h31.1c1.8 0 3.2-1.4 3.2-3.2v-11.4c-.1-1.7-1.5-3.2-3.2-3.2zM448 113.7V399c-.1 44.8-36.8 81.1-81.7 81H81c-44.8-.1-81.1-36.9-81-81.7V113c.1-44.8 36.9-81.1 81.7-81H367c44.8.1 81.1 36.8 81 81.7zm-61.6 122.6c0-73-73.2-132.4-163.1-132.4-89.9 0-163.1 59.4-163.1 132.4 0 65.4 58 120.2 136.4 130.6 19.1 4.1 16.9 11.1 12.6 36.8-.7 4.1-3.3 16.1 14.1 8.8 17.4-7.3 93.9-55.3 128.2-94.7 23.6-26 34.9-52.3 34.9-81.5z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">@sigmatruss<\/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=\"https:\/\/www.facebook.com\/TrussSigma\" target=\"_blank\">\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<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fab-facebook-square\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M400 32H48A48 48 0 0 0 0 80v352a48 48 0 0 0 48 48h137.25V327.69h-63V256h63v-54.64c0-62.15 37-96.48 93.67-96.48 27.14 0 55.52 4.84 55.52 4.84v61h-31.27c-30.81 0-40.42 19.12-40.42 38.73V256h68.78l-11 71.69h-57.78V480H400a48 48 0 0 0 48-48V80a48 48 0 0 0-48-48z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">\u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08\u0e23\u0e39\u0e1b \u0e41\u0e25\u0e30\u0e0b\u0e34\u0e01\u0e21\u0e48\u0e32<\/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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0da261d e-flex e-con-boxed e-con e-parent\" data-id=\"0da261d\" 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-cbbaf99 elementor-widget elementor-widget-heading\" data-id=\"cbbaf99\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Related Article<\/h2>\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>When choosing a roof truss structure for your home, select the Sigma Truss pre-engineered roof system. Made with high-tensile steel and galvanized coating\u2014ensuring complete confidence against rust.<\/p>","protected":false},"author":4,"featured_media":1950,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[22],"tags":[],"class_list":["post-1948","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08\u0e23\u0e39\u0e1b \u0e01\u0e31\u0e1a \u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e23\u0e39\u0e1b\u0e1e\u0e23\u0e23\u0e13 \u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23 ? - \u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08\u0e23\u0e39\u0e1b | \u0e0b\u0e34\u0e01\u0e21\u0e48\u0e32 \u0e17\u0e23\u0e31\u0e2a (Sigma Truss)<\/title>\n<meta name=\"description\" content=\"\u0e04\u0e34\u0e14\u0e08\u0e30\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e1a\u0e49\u0e32\u0e19\u0e17\u0e31\u0e49\u0e07\u0e17\u0e35 \u0e40\u0e25\u0e37\u0e2d\u0e01\u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08\u0e23\u0e39\u0e1b \u0e0b\u0e34\u0e01\u0e21\u0e48\u0e32\u0e17\u0e23\u0e31\u0e2a \u0e43\u0e0a\u0e49\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e33\u0e25\u0e31\u0e07\u0e14\u0e36\u0e07\u0e2a\u0e39\u0e07 \u0e40\u0e04\u0e25\u0e37\u0e2d\u0e1a\u0e01\u0e31\u0e25\u0e27\u0e32\u0e44\u0e19\u0e0b\u0e4c\u0e17\u0e38\u0e01\u0e0a\u0e34\u0e49\u0e19 \u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e1b\u0e25\u0e2d\u0e14\u0e2a\u0e19\u0e34\u0e21\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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property=\"article:modified_time\" content=\"2026-08-15T09:49:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sigmatruss.com\/wp-content\/uploads\/2026\/07\/\u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08\u0e23\u0e39\u0e1b-\u0e01\u0e31\u0e1a-\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e14\u0e33-\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1254\" \/>\n\t<meta property=\"og:image:height\" content=\"1254\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"sorawit aiu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"sorawit aiu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script 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\u0e01\u0e31\u0e1a \u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e23\u0e39\u0e1b\u0e1e\u0e23\u0e23\u0e13 \u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23 ? - \u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08\u0e23\u0e39\u0e1b | \u0e0b\u0e34\u0e01\u0e21\u0e48\u0e32 \u0e17\u0e23\u0e31\u0e2a (Sigma Truss)\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sigmatruss.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/sigmatruss.com\\\/articles\\\/truss-vs-steel\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/sigmatruss.com\\\/articles\\\/truss-vs-steel\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sigmatruss.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/\u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08\u0e23\u0e39\u0e1b-\u0e01\u0e31\u0e1a-\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e14\u0e33-\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23.webp\",\"datePublished\":\"2026-07-23T03:06:05+00:00\",\"dateModified\":\"2026-08-15T09:49:23+00:00\",\"description\":\"\u0e04\u0e34\u0e14\u0e08\u0e30\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e1a\u0e49\u0e32\u0e19\u0e17\u0e31\u0e49\u0e07\u0e17\u0e35 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\u0e01\u0e31\u0e1a \u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e23\u0e39\u0e1b\u0e1e\u0e23\u0e23\u0e13 \u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23 ?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/sigmatruss.com\\\/#website\",\"url\":\"https:\\\/\\\/sigmatruss.com\\\/\",\"name\":\"\u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08\u0e23\u0e39\u0e1b | \u0e0b\u0e34\u0e01\u0e21\u0e48\u0e32 \u0e17\u0e23\u0e31\u0e2a (Sigma Truss)\",\"description\":\"\u0e23\u0e31\u0e1a\u0e16\u0e2d\u0e14\u0e41\u0e1a\u0e1a\u0e1c\u0e25\u0e34\u0e15 \u0e41\u0e25\u0e30\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07\u0e42\u0e04\u0e23\u0e07\u0e2b\u0e25\u0e31\u0e07\u0e04\u0e32\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08\u0e23\u0e39\u0e1b \u0e42\u0e04\u0e23\u0e07\u0e17\u0e23\u0e31\u0e2a \u0e42\u0e04\u0e23\u0e07\u0e16\u0e31\u0e01 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