{"product_id":"merbau-decking-140x19-random","title":"Merbau Decking 140x19 Random","description":"\u003cp\u003eMerbau decking, 140 × 19 mm in random lengths from 1.8 m to 5.7 m: a kiln-dried, Standard and Better grade imported hardwood with a smooth face and reeded reverse, Class 1 durable above ground, and on the AS 3959 bushfire-resisting timber list for decks up to BAL-29.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLengths:\u003c\/strong\u003e random lengths from 1.8 m to 5.7 m, usually the better price per metre; also sold in \u003ca href=\"\/products\/merbau-timber-decking-set-lengths\"\u003eset lengths\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimber:\u003c\/strong\u003e Merbau (\u003cem\u003eIntsia bijuga\u003c\/em\u003e and \u003cem\u003eI. palembanica\u003c\/em\u003e), imported from Southeast Asia and the Pacific; orange-brown when cut, darkening with age; about 830–860 kg\/m³, Janka hardness 8.5 kN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Class 1 above ground, which the Queensland Government rates at more than 40 years’ expected life; the heartwood is termite resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBushfire:\u003c\/strong\u003e on the AS 3959 list of bushfire-resisting timbers, so it can be used for decking up to BAL-29 (BAL-40 and Flame Zone need tested systems)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJoist spacing:\u003c\/strong\u003e 450 mm centres, as WoodSolutions recommends for decking; its deck design guide allows up to 500 mm for 19 mm hardwood, or 350 mm if the boards run at 45°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGaps:\u003c\/strong\u003e 4–5 mm between boards at installation for 140 mm seasoned hardwood (WoodSolutions deck design guide)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow much for a deck:\u003c\/strong\u003e with a 4.5 mm gap, each m² takes about 6.9 lineal metres, so a 20 m² deck needs about 140 lineal metres plus about 10% for offcuts, and roughly 31 fixings per m² on 450 mm joists\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow decks:\u003c\/strong\u003e under 400 mm off the ground, WoodSolutions suggests 5–6 mm gaps and at least 40 mm between the deck and the house, for airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixing:\u003c\/strong\u003e two fixings per board at every joist, at least 12 mm from edges and ends. Pre-drill: WoodSolutions notes Merbau tends to split unless pre-bored. Use stainless steel within 1 km of the coast or 1 m of a pool. See our \u003ca href=\"\/collections\/decking-accessories\"\u003edecking screws\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReeded reverse:\u003c\/strong\u003e WoodSolutions says either face can go up. Reeds add grip across the board but hold moisture, so keep a reeded-up deck clean in damp spots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTannin:\u003c\/strong\u003e Merbau can bleed tannin and gum that stains concrete, paving and brickwork. Seal all faces and cut ends, and to oil new boards straight away, draw the tannin out first with \u003ca href=\"\/products\/intergrain-ultraprep-tannin-oil-remover\"\u003eIntergrain UltraPrep Tannin \u0026amp; Oil Remover\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinishing:\u003c\/strong\u003e coat every face and cut end, ideally before fixing, then recoat at least once a year or as the oil maker directs (WoodSolutions); left bare, it weathers to silver-grey. Oils we stock: \u003ca href=\"\/products\/cutek-oil-extreme-cd50\"\u003eCUTEK CD50\u003c\/a\u003e, \u003ca href=\"\/products\/intergrain-universal-timber-oil\"\u003eIntergrain Universal Timber Oil\u003c\/a\u003e or \u003ca href=\"\/products\/sceneys-timber-decking-oil\"\u003eSceney’s Timber Decking Oil\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAt Greenhill:\u003c\/strong\u003e stocked at 170 Settlement Road, Thomastown, with pickup or delivery across Melbourne and regional Victoria. Compare species on our \u003ca href=\"\/collections\/timber-decking\"\u003ehardwood decking\u003c\/a\u003e page.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompare every size, length and price in our \u003ca href=\"\/collections\/merbau\"\u003eMerbau decking range\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cul data-start=\"0\" data-end=\"391\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1u2pthh\" data-start=\"0\" data-end=\"26\"\u003eKiln-Dried for Stability\u003c\/li\u003e\n\u003cli data-section-id=\"11okx0v\" data-start=\"27\" data-end=\"52\"\u003eDressed All Round (DAR)\u003c\/li\u003e\n\u003cli data-section-id=\"16z0jv2\" data-start=\"53\" data-end=\"76\"\u003eReady to Oil or Stain\u003c\/li\u003e\n\u003cli data-section-id=\"abekej\" data-start=\"77\" data-end=\"127\"\u003eSuitable for Decking, Fencing, Screening \u0026amp; Gates\u003c\/li\u003e\n\u003cli data-section-id=\"1l1unmh\" data-start=\"128\" data-end=\"151\"\u003eStandard and Better grade hardwood\u003c\/li\u003e\n\u003cli data-section-id=\"gylvfx\" data-start=\"152\" data-end=\"187\"\u003eClass 1 Durability (Above Ground)\u003c\/li\u003e\n\u003cli data-section-id=\"glvjgc\" data-start=\"221\" data-end=\"265\"\u003eSuitable for Bushfire Prone Areas (BAL-29)\u003c\/li\u003e\n\u003cli data-section-id=\"11z8419\" data-start=\"266\" data-end=\"312\"\u003eComplies with \u003cstrong data-start=\"282\" data-end=\"312\"\u003eAustralian Standard AS3959\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9yli55\" data-start=\"313\" data-end=\"361\"\u003eAvailable in random lengths from \u003cstrong data-start=\"345\" data-end=\"361\"\u003e1.8m to 5.7m\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zu4u6j\" data-start=\"362\" data-end=\"391\" data-is-last-node=\"\"\u003eNaturally Termite Resistant\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Greenhill Timbers","offers":[{"title":"Default Title","offer_id":68913426956322,"sku":"MB.D.140-1-2","price":10.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/3981\/5970\/files\/Merbau140x19_Random.png?v=1792367607","url":"https:\/\/greenhilltimbers.com.au\/products\/merbau-decking-140x19-random","provider":"Greenhill Timbers","version":"1.0","type":"link"}