{"product_id":"250x50-merbau-f27-solid-step-tread","title":"250x50 Merbau Step Tread 1.2m","description":"\u003cp style=\"text-align: left;\"\u003eMerbau stair treads, especially 1200mm long, are very strong due to Merbau's inherent hardwood density (F27 rated), natural rot\/insect resistance, and high durability (Class 1), making them ideal for heavy use indoors or outdoors, but proper installation with strong fixings (like cup-head bolts) and sealing from all sides is crucial for longevity and to prevent cracking.\u003cbr\u003e?br\u0026gt;\u003cstrong\u003eKey Strength Factors\u003c\/strong\u003e\u003cbr\u003eHardwood Density: Merbau is a dense, hard timber, often graded F27, indicating excellent structural strength for bearing weight.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDurability:\u003c\/strong\u003e It has a Class 1 durability rating (above ground), meaning it resists decay and pests, ensuring a long lifespan for stairs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVersatility: \u003c\/strong\u003eStrong enough for demanding applications like external stairs, decks, and even bushfire-prone areas (BAL29 rated).?br\u0026gt;Installation Considerations\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSecure Fixings:\u003c\/strong\u003e Use cup-head bolts with nuts for primary fixing, not just coach screws from underneath, to avoid cracking the wood.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eA 250x50 timber board is often gauged (planed) down to a 47mm thickness because it starts as a rough-sawn piece that is planed smooth to ensure consistent dimensions, squaring, and surface quality, losing approximately in the process.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eSupport:?\/strong\u0026gt;For longer spans like 1200mm, ensure adequate support from stringers and consider potential flexing, especially with steel stringers.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSealing:\u003c\/strong\u003e Seal all sides of the timber before installation to protect it from moisture, which prevents movement and stress.?br\u0026gt;\u003cbr\u003eIn summary, 1200mm Merbau treads are robust and suitable for most stair applications, but their performance relies heavily on correct, secure installation to handle foot traffic and environmental stresses.?\/p\u0026gt;\u003c\/strong\u003e\u003c\/p\u003e","brand":"BEAM","offers":[{"title":"1.2m","offer_id":53151483461911,"sku":"M250x50F27Solid1.2","price":70.91,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0868\/8264\/8343\/files\/DeckingWoodQLD_1_8c6e8df2-4457-4c2e-9a0e-ef5437e8379a.png?v=1778604795","url":"https:\/\/www.wholesaletimber.com.au\/products\/250x50-merbau-f27-solid-step-tread","provider":"Wholesale Timber - Bulk Buys","version":"1.0","type":"link"}