{"title":"Blackbutt","description":"\u003cp\u003eBlackbutt decking boards, sold by the linear metre with a specification sheet on every product. Straight grained and even textured, in creamy blonde to honey tones, with supplier documented Class 1 above ground durability.\u003c\/p\u003e\u003ch2\u003eBlackbutt board sizes we supply\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/86-x-19-blackbutt-decking\"\u003e86 x 19 mm\u003c\/a\u003e, the narrow board.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/135-x-21-blackbutt-decking\"\u003e135 x 21 mm\u003c\/a\u003e, the wide board.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/140-x-35-blackbutt-decking\"\u003e140 x 35 mm\u003c\/a\u003e, the thick section.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy 135 x 21, not 135 x 19\u003c\/h2\u003e\u003cp\u003eBlackbutt is the one species in our range whose wide board is \u003cstrong\u003e21 mm thick rather than 19 mm\u003c\/strong\u003e. That is the actual milled dimension, and it is stated that way on the product, on the specification sheet and in the pricing. It matters when Blackbutt is being matched to an existing deck or laid alongside another species, because a 21 mm board and a 19 mm board are not the same thickness. Confirm the detail against your own build before ordering.\u003c\/p\u003e\u003ch2\u003eFinish and rating\u003c\/h2\u003e\u003cp\u003eSupplier documentation publishes a BAL 29 bushfire rating for Blackbutt under AS 3959-2009, and the species' consistent texture takes oils and finishes well. Anything to do with coating schedules and upkeep is covered in the \u003ca href=\"\/pages\/finishing-and-maintenance-guide\"\u003efinishing and maintenance guide\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eOrdering by the linear metre\u003c\/h2\u003e\u003cp\u003eAll three sizes are priced per linear metre. Work out how many metres you need from the board width plus the gap between boards, using the \u003ca href=\"\/pages\/timber-calculator\"\u003etimber calculator\u003c\/a\u003e. Random lengths are supplied, and preferred individual lengths can be requested by quote.\u003c\/p\u003e\u003ch2\u003eBefore you choose Blackbutt\u003c\/h2\u003e\u003cp\u003eFor species background and how Blackbutt behaves, read the \u003ca href=\"\/blogs\/timber-guides\/blackbutt-timber-guide\"\u003eBlackbutt timber guide\u003c\/a\u003e. To weigh it against the rest of the range, use the \u003ca href=\"\/pages\/australian-hardwood-comparison\"\u003eAustralian hardwood comparison\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"86-x-19-blackbutt-decking","title":"86x19 Blackbutt Hardwood Decking","description":"\u003cp\u003e86x19 mm Blackbutt decking is a straight grained Australian hardwood board in creamy blonde to rich honey tones. The supplier specification sheet publishes Class 1 above-ground durability with a 40+ year service expectation, and a BAL 29 rating under AS 3959-2009.\u003c\/p\u003e\n\u003cp\u003eBlackbutt suits decking, screening and general outdoor work where an even, lighter-toned Australian hardwood is wanted. Its consistent texture takes oils and finishes well.\u003c\/p\u003e\n\u003cp\u003eSold per linear metre in random lengths. Preferred lengths, pack quantities and bulk pricing are quoted against current supplier availability.\u003c\/p\u003e\n\u003cp class=\"sts-size-note\"\u003e\u003cstrong\u003eLooking for 90x19 decking?\u003c\/strong\u003e This board measures 86 mm across the face, not 90 mm. Laid with the standard 4 mm gap it covers 90 mm of deck per board, which is why the two sizes need different linear metre quantities for the same area. Sydney Timber Supply does supply genuine 90x19 decking in \u003ca href=\"\/products\/90-x-19-merbau-decking\"\u003eMerbau\u003c\/a\u003e and \u003ca href=\"\/products\/90-x-19-jambu-mixed-decking\"\u003eJambu Mixed\u003c\/a\u003e. The widths are compared in our \u003ca href=\"\/pages\/86x19-vs-90x19-decking\"\u003e86 x 19 vs 90 x 19 decking guide\u003c\/a\u003e.\u003c\/p\u003e","brand":"Sydney Timber Supply","offers":[{"title":"Default Title","offer_id":47272847737001,"sku":null,"price":11.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/4504\/6441\/files\/blackbutt-86x19-hardwood-decking-02.jpg?v=1784899213"},{"product_id":"135-x-21-blackbutt-decking","title":"135x21 Blackbutt Hardwood Decking","description":"\u003cp\u003e135x21 mm Blackbutt decking gives a wider board line in the same straight grained Australian hardwood, with creamy blonde to rich honey tones. The supplier specification sheet publishes Class 1 above-ground durability with a 40+ year service expectation, and a BAL 29 rating under AS 3959-2009.\u003c\/p\u003e\n\u003cp\u003eThe wide board suits open decks and outdoor rooms where fewer joins and a cleaner deck line matter.\u003c\/p\u003e\n\u003cp\u003eSold per linear metre in random lengths. Preferred lengths, pack quantities and bulk pricing are quoted against current supplier availability.\u003c\/p\u003e\n\u003cp class=\"sts-size-note\"\u003e\u003cstrong\u003eLooking for 140x19 decking?\u003c\/strong\u003e This board measures 135 mm across the face, not 140 mm. Laid with the standard 4 mm gap it covers 139 mm of deck per board against 144 mm for a 140 mm board, so a 140x19 deck needs about 3.5 percent fewer linear metres for the same area. Our genuine 140x19 decking is \u003ca href=\"\/products\/140-x-19-merbau-decking\"\u003e140x19 Merbau\u003c\/a\u003e and \u003ca href=\"\/products\/140-x-19-peninsula-blonde-hardwood-decking\"\u003e140x19 Peninsula Blonde\u003c\/a\u003e, both imported hardwoods rather than Australian Class 1 species. Board thickness options across our decking range are compared in our \u003ca href=\"\/pages\/135x19-vs-135x35-decking\"\u003e135 x 19 vs 135 x 35 decking guide\u003c\/a\u003e.\u003c\/p\u003e","brand":"Sydney Timber Supply","offers":[{"title":"Default Title","offer_id":47272847769769,"sku":null,"price":22.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/4504\/6441\/files\/blackbutt-135x19-hardwood-decking-01.jpg?v=1784899023"},{"product_id":"140-x-35-blackbutt-decking","title":"140x35 Blackbutt Hardwood Decking","description":"\u003cp\u003e140×35 mm Blackbutt is the heavy-section board in our Blackbutt range: full width, at close to twice the thickness of the 19 mm decking lines. Suitability for a particular span, joist spacing or structure is confirmed at quote stage against current supplier specification.\u003c\/p\u003e\n\u003cp\u003eBlackbutt is a straight grained, even textured Australian hardwood in creamy blonde to rich honey tones that takes oils and finishes well. The supplier specification sheet publishes, for the species, Class 1 above-ground durability with a 40+ year service expectation and a BAL 29 bushfire rating under AS 3959-2009.\u003c\/p\u003e\n\u003cp\u003eSold per linear metre in random lengths. Preferred lengths, packs and bulk quantities are quoted against current supplier availability: add your linear metres to the cart, or \u003ca href=\"\/pages\/request-a-quote\"\u003erequest a quote\u003c\/a\u003e for project volumes.\u003c\/p\u003e","brand":"Sydney Timber Supply","offers":[{"title":"Default Title","offer_id":47280217391273,"sku":null,"price":29.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/4504\/6441\/files\/blackbutt-135x19-hardwood-decking-04_4f6ab436-6491-4555-bcbc-3ceb2e6ae944.jpg?v=1786106815"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/4504\/6441\/collections\/sts-blackbutt-1-2000_65a1191d-af5b-4ed4-9d62-78895ab188ee.jpg?v=1784539950","url":"https:\/\/sydneytimbersupply.com.au\/collections\/blackbutt\/width-135.oembed","provider":"Sydney Timber Supply","version":"1.0","type":"link"}