{"product_id":"40mm-crushed-rock-road-base-brown","title":"40mm Crushed Rock Road Base - Brown","description":"\u003cp\u003eOur \u003cstrong\u003e40mm Crushed Rock Road Base\u003c\/strong\u003e is a coarse brown crushed rock with fines, designed for deeper base construction and heavier-duty rural applications where a larger stone provides a stronger foundation.\u003c\/p\u003e\u003cp\u003eThis product is a \u003cstrong\u003e40mm NDCR (Non-Descript Crushed Rock)\u003c\/strong\u003e. It is a general-purpose quarry product rather than a Class 3 specification material, making it a practical and economical choice for farm tracks, gateways, soft ground and deeper driveway bases.\u003c\/p\u003e\u003cp\u003eThe combination of coarse stone and fines helps the material lock together when correctly laid, moisture-conditioned and compacted.\u003c\/p\u003e\u003ch3\u003eWhy choose 40mm Road Base?\u003c\/h3\u003e\u003cp\u003eUse 40mm road base when you need \u003cstrong\u003emore depth and foundation strength\u003c\/strong\u003e than a standard 20mm surface layer provides. It is particularly useful on new driveways, softer ground and areas carrying heavier vehicles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNew driveway foundation layers\u003c\/li\u003e\n\u003cli\u003eFarm tracks and rural access\u003c\/li\u003e\n\u003cli\u003eGateways and high-traffic areas\u003c\/li\u003e\n\u003cli\u003eSoft or uneven ground\u003c\/li\u003e\n\u003cli\u003eDeep base construction\u003c\/li\u003e\n\u003cli\u003eHeavy vehicle access areas\u003c\/li\u003e\n\u003cli\u003eFoundation beneath 20mm crushed rock\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFor a finer finished surface\u003c\/h3\u003e\u003cp\u003eFor many driveway projects, 40mm road base is best used as the lower foundation layer, then topped with our \u003cstrong\u003e\u003ca href=\"\/products\/20mm-crushed-rock-road-base-brown\"\u003e20mm Crushed Rock Road Base\u003c\/a\u003e\u003c\/strong\u003e for a finer, more compact finished surface.\u003c\/p\u003e\u003ch3\u003eWant a premium blue-grey finish or Class 3 specification?\u003c\/h3\u003e\u003cp\u003eChoose our \u003cstrong\u003e\u003ca href=\"\/products\/meter-20mm-crushed-rock-cl3\"\u003e20mm Premium Class 3 - Blue Crushed Rock\u003c\/a\u003e\u003c\/strong\u003e where you need to match an existing blue-grey driveway, prefer a more refined appearance, or your project specifically requires Class 3 material.\u003c\/p\u003e\u003ch3\u003eWhich crushed rock should I choose?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/products\/20mm-crushed-rock-road-base-brown\"\u003e20mm Brown Road Base\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eBest-value general-purpose option for most driveway and base jobs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/products\/40mm-crushed-rock-road-base-brown\"\u003e40mm Brown Road Base\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eBest for deeper foundations, soft ground, farm tracks and heavy-use areas.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/products\/meter-20mm-crushed-rock-cl3\"\u003e20mm Premium Class 3 Blue\/Grey\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eBest for matching existing blue-grey driveways, customers wanting a more refined finish, or jobs specifically requiring Class 3 material.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Crushed rock is a natural quarry product, so colour and appearance can vary slightly between loads. NDCR products are general-purpose quarry materials and are not Class 3 specification products. Class 3 contains fines by design to assist compaction. Where material is required for an engineered, council or other specified project, customers should confirm the required material specification before ordering.\u003c\/p\u003e","brand":"ubgeneralstore","offers":[{"title":"Cubic Meter","offer_id":51235221831932,"sku":"CR40RB1M","price":85.0,"currency_code":"AUD","in_stock":true},{"title":"Half Cubic Meter","offer_id":51235221864700,"sku":"CR40RBHALF","price":47.0,"currency_code":"AUD","in_stock":true},{"title":"Quarter Cubic Meter","offer_id":51235221897468,"sku":"CR40RBQTR","price":27.0,"currency_code":"AUD","in_stock":true},{"title":"12.5T Tandem Truck Load","offer_id":51235221930236,"sku":"CR40RB125","price":505.0,"currency_code":"AUD","in_stock":true},{"title":"Three Quarter Cubic Meter","offer_id":51235836395772,"sku":"CR40RB075","price":67.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/8685\/1324\/files\/40mmBGradeCrushedRockPile.png?v=1788762094","url":"https:\/\/genstore.com.au\/products\/40mm-crushed-rock-road-base-brown","provider":"General Store","version":"1.0","type":"link"}