{"id":24651,"date":"2022-09-28T14:02:06","date_gmt":"2022-09-28T11:02:06","guid":{"rendered":"https:\/\/www.weckmansteel.fi\/?page_id=24651"},"modified":"2026-09-01T09:53:10","modified_gmt":"2026-09-01T06:53:10","slug":"lightweight-purlins","status":"publish","type":"page","link":"https:\/\/www.weckmansteel.fi\/en\/lightweight-purlins\/","title":{"rendered":"Purlins"},"content":{"rendered":"\n\t<section class=\"section dark\" id=\"section_319955701\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1436\" height=\"1122\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/03\/Katto-orsia-asennettuna4-muokattu.jpg\" class=\"bg attachment-1536x1536 size-1536x1536\" alt=\"\" \/>\t\t\t\t\t\t<div class=\"section-bg-overlay absolute fill\"><\/div>\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-513533132\">\n\n\t<div id=\"col-1277309903\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-1966649157\" class=\"text heading-font\">\n\t\t\n<p class=\"uppercase\"><strong>Purlins<\/strong><\/p>\n\t\t\n<style>\n#text-1966649157 {\n  font-size: 2.25rem;\n}\n@media (min-width:550px) {\n  #text-1966649157 {\n    font-size: 2.75rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1277309903 > .col-inner {\n  margin: 0px 0px -90px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_319955701 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n  min-height: 500px;\n}\n#section_319955701 .section-bg-overlay {\n  background-color: rgba(0, 30, 78, 0.5);\n}\n#section_319955701 .section-bg img {\n  object-position: 52% 100%;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_436360457\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1141895529\">\n\n\t<div id=\"col-1710041422\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h1>Weckman light weight purlins and steel purlins<\/h1>\n<p>Purlins are an important part of load-bearing structures, as they act as secondary supports distributing loads, improving structural durability and enabling longer frame spans without intermediate supports. Proper design of the purlin structure, taking into account load requirements and environmental conditions, selecting the correct purlin type and thickness, and placement all affect the safety and longevity of the structures.<\/p>\n<p>Weckman light weight purlins are CE-marked.<\/p>\n<a href=\"https:\/\/www.weckmansteel.fi\/en\/design-instructions-for-lightweight-purlins\/\" class=\"button secondary\" style=\"border-radius:99px;\">\n\t\t<span>Light Weight Purlin Design Guidelines<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_436360457 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"row row-large\"  id=\"row-912708102\">\n\n\t<div id=\"col-1385763103\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner text-left\"  >\n\t\t\t\n\t\t\t\n<h2>Z-purlin, C-purlin and U-purlin<\/h2>\n<h4>Purlin materials, types and sizes<\/h4>\n<p>The manufacturing material for steel purlins is hot-dip galvanized steel grade S350GD+Z in accordance with standard SFS-EN 1993-1-3.<\/p>\n<h4>Purlin types and sizes<\/h4>\n<p>Purlin models Z-, C-, U- and hat purlins.<br \/>Purlin heights 100\u2013300 mm<br \/>Purlin nominal thicknesses 1.2\u20133.0 mm<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-616918168\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_426513227\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"613\" height=\"433\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2017\/04\/z-_ja_c-orsi.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2017\/04\/z-_ja_c-orsi.jpg 613w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2017\/04\/z-_ja_c-orsi-600x424.jpg 600w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2017\/04\/z-_ja_c-orsi-300x212.jpg 300w\" sizes=\"auto, (max-width: 613px) 100vw, 613px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_426513227 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\n\t<section class=\"section\" id=\"section_1561385216\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-55667360\">\n\n\t<div id=\"col-1870558712\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h1>The role of purlins in load-bearing structures<\/h1>\n<p>The primary function of purlins is to transfer loads and distribute them evenly to other parts of the structure. This reduces stress on individual load-bearing components and reduces structural deflection and deformation. Purlins can act as secondary supports in various structures, such as:  <\/p>\n<p>Building roofs: As supports for the actual roof covering, e.g. profiled sheeting or sandwich panels<br \/>Building walls: As wall cladding support framing between wall columns.<br \/>Intermediate floors: As supports for intermediate floors, e.g. as support framing for floor panels.  <\/p>\n<a href=\"https:\/\/www.weckmansteel.fi\/en\/design-instructions-for-lightweight-purlins\/\" class=\"button secondary\" style=\"border-radius:99px;\">\n\t\t<span>Light Weight Purlin Design Guidelines<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row row-large\"  id=\"row-383807078\">\n\n\t<div id=\"col-1564733820\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner text-left\"  >\n\t\t\t\n\t\t\t\n<h1>Structural design<\/h1>\n<p>When designing steel purlin structures, a design software specifically designed for this purpose can be used to quickly select the correct purlin type, height and thickness.<\/p>\n<p>The design software Weckman Purlin Master is a free design software designed for Weckman steel purlins.<\/p>\n<p>You can find the design software below.<\/p>\n<a href=\"https:\/\/www.weckmansteel.fi\/en\/design-instructions-for-lightweight-purlins\/\" class=\"button primary\" >\n\t\t<span>Purlin Master<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-762778959\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_433267370\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"855\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/03\/Katto-orsia-asennettuna2-1024x858.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/03\/Katto-orsia-asennettuna2-1024x858.jpg 1024w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/03\/Katto-orsia-asennettuna2-900x754.jpg 900w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/03\/Katto-orsia-asennettuna2-300x251.jpg 300w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/03\/Katto-orsia-asennettuna2-768x643.jpg 768w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/03\/Katto-orsia-asennettuna2-1536x1286.jpg 1536w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/03\/Katto-orsia-asennettuna2-2048x1715.jpg 2048w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_433267370 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1561385216 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  background-color: rgb(240, 240, 240);\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1701302743\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-453995006\">\n\n\t<div id=\"col-1440128549\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Weckman product BIM objects available for download<\/h2>\n<p>Weckman building product BIM objects are available for download free of charge on the Prodlib website and in the Prodlib application. The structural library contains ready-made product models for AutoCad, Autodesk Revit and Archicad software. Prodlib&#8217;s content is always up to date, so you have access to the latest product information.  <\/p>\n<a href=\"https:\/\/www.prodlib.com\/weckman?lang=fi\" target=\"_blank\" class=\"button primary\" rel=\"noopener\" style=\"border-radius:99px;\">\n\t\t<span>Download BIM objects<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-304591568\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_244999520\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-08-at-11.48.47-1024x409.png\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"407\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-08-at-11.48.47-1024x409.png\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-08-at-11.48.47-1024x409.png 1024w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-08-at-11.48.47-scaled-900x360.png 900w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-08-at-11.48.47-300x120.png 300w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-08-at-11.48.47-768x307.png 768w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-08-at-11.48.47-1536x614.png 1536w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-08-at-11.48.47-2048x819.png 2048w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_244999520 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1701302743 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n}\n<\/style>\n\t<\/section>\n\t\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":17,"featured_media":0,"parent":0,"menu_order":176,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-24651","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/pages\/24651","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/comments?post=24651"}],"version-history":[{"count":16,"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/pages\/24651\/revisions"}],"predecessor-version":[{"id":54325,"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/pages\/24651\/revisions\/54325"}],"wp:attachment":[{"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/media?parent=24651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}