{"title":"Sawn Treated Timber – C16 \u0026 C24 Pressure-Treated Carcassing","description":"\u003cdiv class=\"page-width\" style=\"padding-top: 30px; padding-bottom: 30px;\"\u003e\n\n\u003ch2\u003eSawn Treated Timber – C16 \u0026amp; C24 Pressure-Treated Carcassing\u003c\/h2\u003e\n\u003cp\u003eOur sawn treated timber is pressure-treated softwood carcassing supplied in C16 and C24 strength grades, in a full range of sizes from 2x2 up to 10x2 and lengths up to 5.4m. Smaller sizes are supplied in C16, the standard choice for general construction, while larger sizes (6x2 and above) are supplied in C24 for higher-strength structural work. Ideal for decking frames, stud walls, joists, roofing, sheds, fencing and garden projects, with a 3-5 working day lead time to mainland UK.\u003c\/p\u003e\n\n\u003ch2\u003eAvailable Sizes and Lengths\u003c\/h2\u003e\n\u003cp\u003eSizes range from 2x2 (47x50mm) up to 10x2 (47x250mm), in lengths from 2.4m up to 5.4m. Not every length is available in every size — available options are shown on each product page. All dimensions are nominal sawn sizes.\u003c\/p\u003e\n\n\u003ch2\u003eC16 and C24 Strength Grades\u003c\/h2\u003e\n\u003cp\u003eC16 is the most widely used structural grade for general construction, studwork and framing. C24 is a higher-strength grade with fewer knots, used where greater load-bearing performance is needed, such as joists and larger structural sections. Our smaller sizes are supplied in C16 and our larger sizes (6x2 and above) in C24.\u003c\/p\u003e\n\n\u003ch2\u003ePressure Treatment\u003c\/h2\u003e\n\u003cp\u003eAll our timber is pressure-treated with a deep preservative treatment that helps protect against rot, insect attack and fungal decay, making it suitable for outdoor and exposed use. Freshly cut ends should be treated with a suitable end-grain preserver to maintain protection.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Uses\u003c\/h2\u003e\n\u003cp\u003eSawn treated timber is used for decking frames and joists, internal stud walls, roofing and rafters, floor joists, fencing, sheds, garden structures, raised beds, pergolas and general construction. The smaller C16 sizes suit framing and studwork, while the larger C24 sizes suit load-bearing joists and structural spans.\u003c\/p\u003e\n\n\u003ch2\u003eFinish\u003c\/h2\u003e\n\u003cp\u003eSupplied rough sawn for a natural, rustic finish. As a natural product, timber may show variation in colour, grain, knots and moisture content, which is normal for sawn treated softwood.\u003c\/p\u003e\n\n\u003ch2\u003eDelivery Information\u003c\/h2\u003e\n\u003cp\u003eLead times are currently 3-5 working days to mainland UK addresses. Longer lengths are bulky items, so suitable delivery access is required. Contact us for a custom quote on bulk or trade quantities.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\":\"Question\",\"name\":\"What is the difference between C16 and C24 timber?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"C16 is the most widely used structural grade for general construction, studwork and framing. C24 is a higher-strength grade with fewer knots, used where greater load-bearing performance is needed, such as joists and larger structural sections. Our smaller sizes are supplied in C16 and our larger sizes (6x2 and above) in C24.\"}},\n    {\"@type\":\"Question\",\"name\":\"Is the timber pressure-treated?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — all our sawn timber is pressure-treated with a deep preservative treatment that helps protect against rot, insect attack and fungal decay, making it suitable for outdoor and exposed use. Freshly cut ends should be treated with a suitable end-grain preserver to maintain protection.\"}},\n    {\"@type\":\"Question\",\"name\":\"What sizes and lengths are available?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sizes range from 2x2 (47x50mm) up to 10x2 (47x250mm), in lengths from 2.4m up to 5.4m. Not every length is available in every size — available options are shown on each product page. All dimensions are nominal sawn sizes.\"}},\n    {\"@type\":\"Question\",\"name\":\"What is sawn treated timber used for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sawn treated timber is used for decking frames and joists, internal stud walls, roofing and rafters, floor joists, fencing, sheds, garden structures, raised beds, pergolas and general construction. Smaller C16 sizes suit framing and studwork, while larger C24 sizes suit load-bearing joists and structural spans.\"}},\n    {\"@type\":\"Question\",\"name\":\"What are the delivery lead times?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Lead times are currently 3-5 working days to mainland UK addresses. Longer lengths are bulky items, so suitable delivery access is required. Contact us for a custom quote on bulk or trade quantities.\"}}\n  ]\n}\n\u003c\/script\u003e\n\n\u003c\/div\u003e","products":[{"product_id":"sawn-treated-timber","title":"Sawn Treated Timber 4x2 (47x100mm) - C24 Pressure-Treated","description":"\u003cp\u003eOur 4x2 sawn treated timber has a nominal sawn size of 47 x 100mm and is supplied in C24 grade, pressure-treated softwood, in lengths from 2.4m to 4.8m. Ideal for load-bearing joists, structural spans and heavier construction, with a 3-5 working day lead time to mainland UK.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specification\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4x2 (47 x 100mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrength grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eC24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLengths available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4m, 3m, 3.6m, 4.2m, 4.8m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTreatment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePressure-treated softwood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRough sawn\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTreated softwood carcassing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLead time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-5 working days (mainland UK)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eCommon Uses\u003c\/h2\u003e\n\u003cp\u003e4x2 sawn treated timber is widely used for load-bearing joists, structural spans and heavier construction, along with decking frames, fencing, sheds, raised beds, pergolas and general garden and construction projects.\u003c\/p\u003e\n\u003ch2\u003eC24 Strength Grade\u003c\/h2\u003e\n\u003cp\u003eC24 is a higher-strength structural grade with fewer knots and superior load-bearing performance, ideal for joists, rafters and structural spans where greater strength is required.\u003c\/p\u003e\n\u003ch2\u003ePressure Treatment\u003c\/h2\u003e\n\u003cp\u003eThis timber is pressure-treated with a deep preservative that helps protect against rot, insect attack and fungal decay, making it suitable for outdoor and exposed use. Treat freshly cut ends with a suitable end-grain preserver to maintain protection.\u003c\/p\u003e\n\u003ch2\u003eFinish\u003c\/h2\u003e\n\u003cp\u003eSupplied rough sawn for a natural, rustic finish. As a natural product, timber may show variation in colour, grain, knots and moisture content, which is normal for sawn treated softwood.\u003c\/p\u003e\n\u003ch2\u003eDelivery Information\u003c\/h2\u003e\n\u003cp\u003eLead times are currently 3-5 working days to mainland UK addresses. Longer lengths are bulky items, so suitable delivery access is required.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rackerman","offers":[{"title":"2.4m","offer_id":56178135236995,"sku":"TIMB-4X2-24M","price":7.12,"currency_code":"GBP","in_stock":true},{"title":"3m","offer_id":56178135269763,"sku":"TIMB-4X2-3M","price":8.88,"currency_code":"GBP","in_stock":true},{"title":"3.6m","offer_id":56178135302531,"sku":"TIMB-4X2-36M","price":10.67,"currency_code":"GBP","in_stock":true},{"title":"4.2m","offer_id":56178135335299,"sku":"TIMB-4X2-42M","price":12.44,"currency_code":"GBP","in_stock":true},{"title":"4.8m","offer_id":56178135368067,"sku":"TIMB-4X2-48M","price":14.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/1710\/6429\/files\/Screenshot_2026-05-24_181538.png?v=1779639380"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/1710\/6429\/collections\/ChatGPT_Image_May_24_2026_05_54_56_PM.png?v=1779638139","url":"https:\/\/rackerman.co.uk\/collections\/sawn-treated-timber.oembed","provider":"Rackerman","version":"1.0","type":"link"}