{"product_id":"everdeck-non-structural-decking-joist-30x40x2900mm","title":"4 Everdeck® Non-Structural Composite Decking Joist | 30 x 40 x 2900mm","description":"\u003ch2\u003e4 Everdeck® Non-Structural Composite Decking Joist — 30 x 40 x 2900mm\u003c\/h2\u003e\n\u003cp\u003eThe 4 Everdeck® Non-Structural Joist is designed for laying composite decking directly over existing solid surfaces such as concrete, tar, or tiles. By raising the decking boards off the substrate, the joist creates an air gap that allows water to drain freely and air to circulate beneath the deck — preventing moisture build-up and extending the life of your decking installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-structural design\u003c\/strong\u003e — Engineered for installation over solid substrates; no complex subframe required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrainage \u0026amp; ventilation\u003c\/strong\u003e — Creates an air gap beneath the decking for water runoff and airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple installation\u003c\/strong\u003e — Raw bolt directly into the floor surface, then lay your decking boards on top\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCompatible with 4 Everdeck® composite decking boards\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e — Suited to South African outdoor conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 30 mm × 40 mm × 2900 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLaying composite decking over concrete patios or slabs\u003c\/li\u003e\n\u003cli\u003eDecking installations over existing tar or tiled surfaces\u003c\/li\u003e\n\u003cli\u003eBalconies and rooftop deck installations on solid substrates\u003c\/li\u003e\n\u003cli\u003eRenovation projects where an existing surface is being repurposed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Note\u003c\/h3\u003e\n\u003cp\u003eRaw bolt the joist directly into the floor at regular intervals, then lay your 4 Everdeck® composite decking boards on top. No structural subframe is required when installing over a solid, level surface.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 30 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 40 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2900 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Non-structural — solid surface installations only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e 4 Everdeck® composite decking boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is a non-structural joist?\u003c\/h3\u003e\n\u003cp\u003eA non-structural joist is used when your decking is being installed over an existing solid surface (such as concrete, tar, or tiles) that provides the structural support. It raises the decking boards off the surface to allow drainage and airflow, but is not designed to span between supports like a structural joist.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use this joist on a suspended or elevated deck?\u003c\/h3\u003e\n\u003cp\u003eNo. This joist is rated for non-structural use only — it must be installed over a solid, continuous surface. For suspended or elevated decks, a structural subframe is required.\u003c\/p\u003e\n\n\u003ch3\u003eWhat decking boards is this joist compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis joist is designed for use with 4 Everdeck® composite decking boards. Contact us if you need advice on compatibility with other board profiles.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I fix the joist to the floor?\u003c\/h3\u003e\n\u003cp\u003eRaw bolt the joist directly into the concrete, tar, or tiled surface at regular intervals before laying your decking boards on top.\u003c\/p\u003e\n\n\u003ch3\u003eCan I cut the joist to length?\u003c\/h3\u003e\n\u003cp\u003eYes. The joist can be cut to suit your installation dimensions using standard woodworking or composite cutting tools.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the lead time for this product?\u003c\/h3\u003e\n\u003cp\u003eThis product is usually in stock with a 1–2 day lead time. Nationwide delivery is available across South Africa.\u003c\/p\u003e","brand":"Doors Direct","offers":[{"title":"Default Title","offer_id":50381845758246,"sku":"BJM","price":239.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0912\/5439\/1078\/files\/BJM_Joist.webp?v=1785122516","url":"https:\/\/doorsdirect.co.za\/products\/everdeck-non-structural-decking-joist-30x40x2900mm","provider":"Doors Direct","version":"1.0","type":"link"}