{"id":13249,"date":"2020-01-23T09:27:06","date_gmt":"2020-01-23T07:27:06","guid":{"rendered":"http:\/\/www.weckmansteel.fi\/suunnitteluohjeet-kevytorret\/"},"modified":"2026-09-22T12:09:13","modified_gmt":"2026-09-22T09:09:13","slug":"design-guidelines-lightweight-beams","status":"publish","type":"page","link":"https:\/\/www.weckmansteel.fi\/en\/steel-construction\/design-guidelines\/design-guidelines-lightweight-beams\/","title":{"rendered":"Design Guidelines for Light Weight Purlins"},"content":{"rendered":"\n\t<section class=\"section\" id=\"section_689066070\">\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<p><div class=\"row\"  id=\"row-1155769470\"><\/p>\n<p>\n\t<div id=\"col-815035782\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t<\/p>\n<p><\/p>\n<div class=\"breadcrumb\">\n<nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Weckman<\/span><\/p><\/nav>\n<\/div>\n<p><\/p>\n<p>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t<\/p>\n<p><\/div><\/p>\n\n<div class=\"row\"  id=\"row-2095370319\">\n\n\t<div id=\"col-1865448553\" 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>Purlins<\/h1>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row row-collapse\"  id=\"row-798086765\">\n\n\t<div id=\"col-421838498\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t\t<div class=\"icon-box featured-box icon-box-left text-left\"  >\n\t\t\t\t\t<div class=\"icon-box-img\" style=\"width: 80px\">\n\t\t\t\t<div class=\"icon\">\n\t\t\t\t\t<div class=\"icon-inner\" >\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"181\" height=\"181\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-kantavat-poimulevyt-optimi.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-kantavat-poimulevyt-optimi.png 181w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-kantavat-poimulevyt-optimi-100x100.png 100w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-kantavat-poimulevyt-optimi-150x150.png 150w\" sizes=\"auto, (max-width: 181px) 100vw, 181px\" \/>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n<h3>Purlin Master<\/h3>\n<p>Weckman Purlin Master browser-based design software for light weight purlins (Z and C 100\u2013300 mm).<\/p>\n<a href=\"https:\/\/www.calculationtools.com\/frame.php?app=2103&#038;t=Weckman&#038;c=Weckman\" target=\"_blank\" class=\"button secondary\" rel=\"noopener\">\n\t\t<span>Open software<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-743016402\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t\t<div class=\"icon-box featured-box icon-box-left text-left\"  >\n\t\t\t\t\t<div class=\"icon-box-img\" style=\"width: 80px\">\n\t\t\t\t<div class=\"icon\">\n\t\t\t\t\t<div class=\"icon-inner\" >\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-poikkileikkauskuvat-300x300.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-poikkileikkauskuvat-300x300.png 300w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-poikkileikkauskuvat-100x100.png 100w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-poikkileikkauskuvat-150x150.png 150w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-poikkileikkauskuvat.png 362w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n<h3>Cross-Section Drawings<\/h3>\n<p>Cross-section drawings for Z and C purlins.<\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n<a href=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2021\/12\/Orsien-poikkileikkauskuvat-C-ja-Z-100-300.zip\" class=\"button secondary\">\n\t\t<span>download zip<\/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-292578486\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t\t<div class=\"icon-box featured-box icon-box-left text-left\"  >\n\t\t\t\t\t<div class=\"icon-box-img\" style=\"width: 80px\">\n\t\t\t\t<div class=\"icon\">\n\t\t\t\t\t<div class=\"icon-inner\" >\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"181\" height=\"181\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-kevytorret-vakioreijitykset.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-kevytorret-vakioreijitykset.png 181w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-kevytorret-vakioreijitykset-100x100.png 100w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-kevytorret-vakioreijitykset-150x150.png 150w\" sizes=\"auto, (max-width: 181px) 100vw, 181px\" \/>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n<h3>Standard Perforation<\/h3>\n<p>Standard perforations for light weight purlins.<\/p>\n<a href=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2021\/12\/Vakioreijitykset-C-ja-Z-150-300.zip\" class=\"button secondary\">\n\t\t<span>download zip<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-504255963\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t\t<div class=\"icon-box featured-box icon-box-left text-left\"  >\n\t\t\t\t\t<div class=\"icon-box-img\" style=\"width: 80px\">\n\t\t\t\t<div class=\"icon\">\n\t\t\t\t\t<div class=\"icon-inner\" >\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-neliopaino-300x300.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-neliopaino-300x300.png 300w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-neliopaino-100x100.png 100w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-neliopaino-150x150.png 150w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-neliopaino.png 362w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n<h3>Purlin Dimensions and Weights<\/h3>\n<p>Linear weights for Z and C purlins.<\/p>\n<a href=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2022\/01\/Weckman-Orsien-Z-ja-C-koot-kotisivulle.pdf\" class=\"button secondary\">\n\t\t<span>download pdf<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-2104341255\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t\t<div class=\"icon-box featured-box icon-box-left text-left\"  >\n\t\t\t\t\t<div class=\"icon-box-img\" style=\"width: 80px\">\n\t\t\t\t<div class=\"icon\">\n\t\t\t\t\t<div class=\"icon-inner\" >\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"181\" height=\"181\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2019\/12\/weckman-asennus-01-01.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2019\/12\/weckman-asennus-01-01.png 181w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2019\/12\/weckman-asennus-01-01-100x100.png 100w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2019\/12\/weckman-asennus-01-01-150x150.png 150w\" sizes=\"auto, (max-width: 181px) 100vw, 181px\" \/>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n<h3>Installation Instructions<\/h3>\n<p>Installation instructions for light weight purlins.<\/p>\n<a href=\"\/wp-content\/uploads\/2022\/04\/Weckman_Kevytorsien_asennusohje_220411_LowRes.pdf\" class=\"button secondary\" >\n\t\t<span>download pdf<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1735339068\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t\t<div class=\"icon-box featured-box icon-box-left text-left\"  >\n\t\t\t\t\t<div class=\"icon-box-img\" style=\"width: 80px\">\n\t\t\t\t<div class=\"icon\">\n\t\t\t\t\t<div class=\"icon-inner\" >\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"181\" height=\"181\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-tekla-structures.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-tekla-structures.png 181w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-tekla-structures-100x100.png 100w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/02\/weckman-tekla-structures-150x150.png 150w\" sizes=\"auto, (max-width: 181px) 100vw, 181px\" \/>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n<h3>Tekla Structures Components<\/h3>\n<p>Download Weckman light weight purlins for Tekla Structures software.<\/p>\n<a href=\"https:\/\/warehouse.tekla.com\/#\/catalog\/details\/ue0a4c45c-b509-460f-8c21-05184b8c0b45\" target=\"_blank\" class=\"button secondary\" rel=\"noopener\">\n\t\t<span>download tekla components<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-345845696\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t\t<div class=\"icon-box featured-box icon-box-left text-left\"  >\n\t\t\t\t\t<div class=\"icon-box-img\" style=\"width: 80px\">\n\t\t\t\t<div class=\"icon\">\n\t\t\t\t\t<div class=\"icon-inner\" >\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-dopit-300x300.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-dopit-300x300.png 300w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-dopit-100x100.png 100w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-dopit-150x150.png 150w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2020\/01\/weckman-dopit.png 362w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n<h3>DoP<\/h3>\n<p>Declarations of Performance.<\/p>\n<a href=\"\/wp-content\/uploads\/2017\/04\/DoP_206-13.pdf\" class=\"button secondary\" >\n\t\t<span>download pdf<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1399075098\" class=\"col medium-6 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t\t<div class=\"icon-box featured-box icon-box-left text-left\"  >\n\t\t\t\t\t<div class=\"icon-box-img\" style=\"width: 80px\">\n\t\t\t\t<div class=\"icon\">\n\t\t\t\t\t<div class=\"icon-inner\" >\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"139\" height=\"139\" src=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Weckman_ikoni_bim.png\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Weckman_ikoni_bim.png 139w, https:\/\/www.weckmansteel.fi\/wp-content\/uploads\/2025\/05\/Weckman_ikoni_bim-100x100.png 100w\" sizes=\"auto, (max-width: 139px) 100vw, 139px\" \/>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n<h3>BIM Objects<\/h3>\n<p>Download BIM objects.<\/p>\n<a href=\"https:\/\/www.prodlib.com\/weckman?lang=fi\" target=\"_blank\" class=\"button secondary\" rel=\"noopener\">\n\t\t<span>Download BIM objects<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-351109819\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"gap-994747050\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-994747050 {\n  padding-top: 50px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<style>\n#row-798086765 > .col > .col-inner {\n  padding: 0px 0px 60px 0px;\n}\n<\/style>\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_689066070 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":16,"featured_media":0,"parent":13174,"menu_order":52,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-13249","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/pages\/13249","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\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/comments?post=13249"}],"version-history":[{"count":7,"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/pages\/13249\/revisions"}],"predecessor-version":[{"id":54757,"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/pages\/13249\/revisions\/54757"}],"up":[{"embeddable":true,"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/pages\/13174"}],"wp:attachment":[{"href":"https:\/\/www.weckmansteel.fi\/en\/wp-json\/wp\/v2\/media?parent=13249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}