{"title":"Purlins","description":"\u003cp\u003eSteel purlins are the horizontal beams that run across your roof frame, sitting between the main rafters and supporting your roofing iron, cladding, and insulation. They're a core part of almost every steel-framed building in New Zealand - from farm sheds and warehouses to factories and prefabricated structures.\u003c\/p\u003e\n\u003ch2\u003eWhy Steel Purlins Outperform Traditional Options\u003c\/h2\u003e\n\u003cp\u003eTimber was once the go-to material for purlins, but steel has largely replaced it - and for good reason. Steel purlins resist rot, termites, and fire, and they hold their shape over time without warping or shrinking. That means fewer call-backs, less maintenance, and a longer-lasting structure overall.\u003c\/p\u003e\n\u003ch2\u003eLightweight Without Compromising Strength\u003c\/h2\u003e\n\u003cp\u003eOne of the biggest advantages of steel purlins is the strength-to-weight ratio. They carry significant roof loads without adding unnecessary weight to the overall structure. This reduces stress on columns and foundations, which can lower material costs across the whole build.\u003c\/p\u003e\n\u003ch2\u003eFaster, Easier Installation\u003c\/h2\u003e\n\u003cp\u003eSteel purlins are precision-manufactured to consistent dimensions, so they arrive on site ready to install. No cutting, no shaping - just straightforward fixing to your rafters or wall frames. For large-span buildings, this translates directly into faster build times and lower labour costs.\u003c\/p\u003e\n\u003ch2\u003eBuilt for New Zealand Conditions\u003c\/h2\u003e\n\u003cp\u003eGalvanised steel purlins are well-suited to the New Zealand climate, offering strong resistance to moisture and corrosion. When properly spaced they provide a stable, even base for your roofing sheets and wall cladding.\u003c\/p\u003e\n\u003ch2\u003eVersatile Across a Range of Applications\u003c\/h2\u003e\n\u003cp\u003eSteel purlins work across roof support frames, wall cladding systems, and even as primary structural members in smaller buildings. Whether you're building a new shed or extending an existing structure, purlins are a reliable, cost-effective solution.\u003c\/p\u003e","products":[{"product_id":"hst-steel-purlins","title":"HST Steel Purlins","description":"\u003cp\u003eHST Steel Purlins are a practical, high-strength structural solution for commercial and residential building projects. Roll-formed from high-tensile zinc-coated steel (Z275), these lipped channel sections are punched in-line and cut to your exact length - so there's no on-site cutting, less waste, and faster installation from the moment they arrive.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0744\/5895\/5933\/files\/HST_Purlins_Spec_Sheet.pdf?v=1780483173\" target=\"_blank\" title=\"HST Purlins datasheet\" rel=\"noopener\"\u003eClick here to download the brochure \/ specification sheet.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eBuilt for Efficient Spanning\u003c\/h2\u003e\n\u003cp\u003eSteel purlins in the HST range cover spans from 4 to 18 meters, with section heights from 100mm to 400mm and gauges from 1.15mm to 3mm. That range of sizes means you can match the right section to the load - avoiding over-engineering and keeping material costs down.\u003c\/p\u003e\n\u003ch2\u003eA Complete Structural System\u003c\/h2\u003e\n\u003cp\u003eHST Steel Purlins can be supplied complete with speed channel, bracing, sag rods, and fastenings - everything needed to complete the structural frame without sourcing components separately. This reduces procurement time and keeps your project on schedule.\u003c\/p\u003e\n\u003ch2\u003eFlatback Profiles and Flexible Cladding Support\u003c\/h2\u003e\n\u003cp\u003eAll sizes are available as Flatback profiles, making them compatible with a wide range of roofing and cladding materials. Whether you're working on a shed, warehouse, or commercial build, the profile adapts to the job.\u003c\/p\u003e\n\u003ch2\u003eGalvanised for Long-Term Performance\u003c\/h2\u003e\n\u003cp\u003eStandard Z275 galvanised coating provides solid corrosion resistance for most environments. For more demanding conditions, Z450 double galvanised coating is available on request - giving you a longer service life without additional maintenance.\u003c\/p\u003e\n\u003cp\u003eSections are supplied punched and cut to length, ready to install.\u003c\/p\u003e","brand":"Steel \u0026 Tube","offers":[{"title":"150\/12 Purlin","offer_id":48363956043933,"sku":"150\/12-Z275","price":13.2,"currency_code":"NZD","in_stock":true},{"title":"150\/15 Purlin","offer_id":48363956076701,"sku":"150\/15-Z275","price":16.45,"currency_code":"NZD","in_stock":true},{"title":"150\/18 Purlin","offer_id":48363956109469,"sku":"150\/18-Z275","price":19.7,"currency_code":"NZD","in_stock":true},{"title":"200\/12 Purlin","offer_id":48363956142237,"sku":"200\/12-Z275","price":16.5,"currency_code":"NZD","in_stock":true},{"title":"200\/15 Purlin","offer_id":48363956175005,"sku":"200\/15-Z275","price":20.6,"currency_code":"NZD","in_stock":true},{"title":"200\/18 Purlin","offer_id":48363956207773,"sku":"200\/18-Z275","price":24.7,"currency_code":"NZD","in_stock":true},{"title":"250\/13 Purlin","offer_id":48363956240541,"sku":"250\/13-Z275","price":21.65,"currency_code":"NZD","in_stock":true},{"title":"250\/15 Purlin","offer_id":48363956273309,"sku":"250\/15-Z275","price":24.95,"currency_code":"NZD","in_stock":true},{"title":"250\/18 Purlin","offer_id":48363956306077,"sku":"250\/18-Z275","price":29.95,"currency_code":"NZD","in_stock":true},{"title":"300\/15 Purlin","offer_id":48363956338845,"sku":"300\/15-Z275","price":28.95,"currency_code":"NZD","in_stock":true},{"title":"300\/18 Purlin","offer_id":48363956371613,"sku":"300\/18-Z275","price":35.28,"currency_code":"NZD","in_stock":true},{"title":"300\/24 Purlin","offer_id":48363956404381,"sku":"300\/24-Z275","price":49.15,"currency_code":"NZD","in_stock":true},{"title":"300\/30 Purlin","offer_id":48363956437149,"sku":"300\/30-Z275","price":60.9,"currency_code":"NZD","in_stock":true},{"title":"350\/18 Purlin","offer_id":48363956469917,"sku":"350\/18-Z275","price":38.05,"currency_code":"NZD","in_stock":true},{"title":"350\/24 Purlin","offer_id":48363956502685,"sku":"350\/24-Z275","price":53.1,"currency_code":"NZD","in_stock":true},{"title":"350\/30 Purlin","offer_id":48363956535453,"sku":"350\/30-Z275","price":66.75,"currency_code":"NZD","in_stock":true},{"title":"400\/20 Purlin","offer_id":48363956568221,"sku":"400\/20-Z275","price":48.45,"currency_code":"NZD","in_stock":true},{"title":"400\/24 Purlin","offer_id":48363956600989,"sku":"400\/24-Z275","price":61.3,"currency_code":"NZD","in_stock":true},{"title":"400\/30 Purlin","offer_id":48363956633757,"sku":"400\/30-Z275","price":105.6,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/5895\/5933\/files\/hstpurlinprofileclose-up.jpg?v=1780109506"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/5895\/5933\/collections\/steel-purlins.jpg?v=1779662475","url":"https:\/\/savebuild.co.nz\/collections\/purlins.oembed","provider":"SaveBuild New Zealand","version":"1.0","type":"link"}