{"product_id":"treated-sawn-c24-graded-timber-47mm-x-75mm","title":"Treated Sawn Reg C24 Timber 47mm x 75mm (3x2)","description":"\u003cp\u003eTreated sawn C24 graded timber in 47mm x 75mm (3x2) is a structural softwood kilned to a moisture content of 20% or below, then pressure treated for long-term resistance to rot and fungal decay. Suitable for framing, carcassing and decking subframes across residential and commercial projects.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSoftwood (C24 graded)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003eC24 to BS 4978\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eTanalised pressure treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eRegularised (planed all round)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eNominal Size\u003c\/th\u003e\n\u003ctd\u003e47mm x 75mm (3 inch x 2 inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLengths\u003c\/th\u003e\n\u003ctd\u003e3.6m (12ft), 4.8m (16ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eProfile\u003c\/th\u003e\n\u003ctd\u003eSawn, regularised\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eUse Class\u003c\/th\u003e\n\u003ctd\u003eSuitable for exposed and high-risk environments\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat it's used for\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eStructural wall framing and carcassing in timber-frame construction\u003c\/li\u003e\n \u003cli\u003eDecking subframes and joists where ground contact or moisture exposure is likely\u003c\/li\u003e\n \u003cli\u003eRoof timbers, floor joists and stud partitioning requiring a certified strength grade\u003c\/li\u003e\n \u003cli\u003eGeneral construction where a combination of structural performance and rot resistance is needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFitting and handling\u003c\/h2\u003e\n\u003cp\u003eStore this timber flat, off the ground and under cover before installation to maintain its moisture content and prevent unnecessary movement. When fixing, use hot-dip galvanised or stainless steel fixings throughout as standard steel will corrode in contact with Tanalised timber. If you cut lengths on site, apply an end-grain preservative treatment to any fresh cuts to maintain the protection provided by the original pressure treatment.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between C16 and C24 graded timber?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eC24 is a higher strength grade than C16, meaning the timber has been assessed and certified to carry greater structural loads. For floor joists, rafters and load-bearing stud work, C24 is generally the specified grade. C16 is adequate for lighter structural and general construction uses.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this timber suitable for outdoor use such as a decking frame?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The Tanalised pressure treatment means the preservative is driven deep into the timber fibres, giving lasting protection against rot and fungal decay. This makes 47mm x 75mm treated C24 a practical choice for decking subframes, pergola framing and other external structural applications.\u003c\/p\u003e\n\n\u003cp\u003eFor more structural softwood options, browse our full range of \u003ca href=\"\/collections\/c24-graded-timber\"\u003eC24 graded timber\u003c\/a\u003e at Nottage Timber Merchants. We supply trade and retail customers from our yard in Bridgend, with next-day delivery available across South Wales.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between C16 and C24 graded timber?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"C24 is a higher strength grade than C16, meaning the timber has been assessed and certified to carry greater structural loads. For floor joists, rafters and load-bearing stud work, C24 is generally the specified grade. C16 is adequate for lighter structural and general construction uses.\"}}, {\"@type\": \"Question\", \"name\": \"Is this timber suitable for outdoor use such as a decking frame?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The Tanalised pressure treatment means the preservative is driven deep into the timber fibres, giving lasting protection against rot and fungal decay. This makes 47mm x 75mm treated C24 a practical choice for decking subframes, pergola framing and other external structural applications.\"}}]}\u003c\/script\u003e","brand":"Nottage Timber Merchants","offers":[{"title":"3.6m \/ 3600mm \/ 12ft","offer_id":52565994864977,"sku":"CARCTAN477536","price":7.49,"currency_code":"GBP","in_stock":true},{"title":"4.8m \/ 4800mm \/ 16ft","offer_id":52565994897745,"sku":"CARCTAN477548","price":10.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/1467\/1697\/files\/c24-treated-timber-2-2__65929.1721255467.1280.1280.jpg?v=1765212594","url":"https:\/\/www.timberonline.co.uk\/products\/treated-sawn-c24-graded-timber-47mm-x-75mm","provider":"Nottage Timber Merchants","version":"1.0","type":"link"}