{"product_id":"durapost-prima-composite-fence-boards","title":"DuraPost PRIMA Composite Gravel Boards – 1.83m \u0026 2.4m","description":"\u003cp\u003e\u003cstrong\u003eDuraPost PRIMA is a premium tongue-and-groove composite board with two distinct uses: it can be installed as a single gravel board beneath a fence, or stacked to create a complete solid composite fence.\u003c\/strong\u003e That makes it one of the most flexible products in the DuraPost range.\u003c\/p\u003e\n\n\u003ch2\u003eWho is PRIMA for?\u003c\/h2\u003e\n\u003cp\u003ePRIMA suits homeowners and garden designers looking for a clean, solid boundary with a restrained contemporary finish, as well as installers who want a durable composite gravel board beneath timber or other compatible fencing.\u003c\/p\u003e\n\n\u003ch2\u003eWhat is a PRIMA board?\u003c\/h2\u003e\n\u003cp\u003ePRIMA is an embossed, tongue-and-groove board manufactured from UV-stabilised extruded PVC with a recycled-PVC core. The tongue-and-groove edges allow individual boards to stack neatly into a solid panel.\u003c\/p\u003e\n\u003cp\u003eThis listing includes approximately 1.83m and 2.4m lengths so the board can be matched to the bay width and post arrangement.\u003c\/p\u003e\n\n\u003ch2\u003eUse PRIMA in two ways\u003c\/h2\u003e\n\u003ch3\u003e1. As a gravel board\u003c\/h3\u003e\n\u003cp\u003eUse a single PRIMA board at the base of a fence to create a low-maintenance barrier between the fence above and the ground. This works particularly well with DuraPost steel posts, but Birkdale also allows PRIMA to be used with suitable timber or concrete post systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIf the board is retaining earth, Birkdale specifies one reinforcement rod inside every PRIMA board.\u003c\/strong\u003e The reinforced 1.8m board is rated by Birkdale to a load of 1.5kN in this application.\u003c\/p\u003e\n\n\u003ch3\u003e2. As a full composite fence\u003c\/h3\u003e\n\u003cp\u003eStack PRIMA boards between DuraPost Classic posts to create a solid composite fence. Install the boards with the \u003cstrong\u003etongue facing downward and the groove facing upward\u003c\/strong\u003e, then continue stacking to the required height.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen PRIMA is stacked as fencing, use a reinforcement rod in every third board.\u003c\/strong\u003e Birkdale's installation guidance describes reinforcing the first, middle and top boards in a typical full-height panel.\u003c\/p\u003e\n\n\u003ch2\u003eWhat do I need for a complete stacked PRIMA fence?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuraPost PRIMA boards\u003c\/strong\u003e to reach the required finished height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/durapost-prima-reinforcement-rods\"\u003ePRIMA reinforcement rods\u003c\/a\u003e\u003c\/strong\u003e — one in every third board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuraPost Classic posts\u003c\/strong\u003e or another compatible post system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ea compatible DuraPost capping rail\u003c\/strong\u003e for a finished top edge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ecapping-rail fixings and PRIMA rail packers\u003c\/strong\u003e where required by the chosen capping arrangement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epost caps and cover strips\u003c\/strong\u003e where wanted to complete the finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow does a stacked PRIMA fence go together?\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eInstall and align the posts for the complete run.\u003c\/li\u003e\n\u003cli\u003eInsert a reinforcement rod into the first PRIMA board and place the board between the posts.\u003c\/li\u003e\n\u003cli\u003eStack the next boards with the tongue down and groove up.\u003c\/li\u003e\n\u003cli\u003eAdd another reinforcement rod at every third board as the panel rises.\u003c\/li\u003e\n\u003cli\u003eReinforce the upper board in the finished stack in accordance with the DuraPost installation detail.\u003c\/li\u003e\n\u003cli\u003eFit the chosen capping rail and finishing components.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eDo I need to screw every board?\u003c\/h2\u003e\n\u003cp\u003eBirkdale's stacked-panel guidance states that the first board can be fixed with a single screw at either side. The remaining boards may also be fixed if desired, but the tongue-and-groove stack and reinforcement arrangement are the key parts of the specified system.\u003c\/p\u003e\n\n\u003ch2\u003eWhich length should I choose?\u003c\/h2\u003e\n\u003cp\u003eChoose the board length to match the intended bay width and supporting post system. The reinforcement rod must correspond to the board length: use the 1825mm rod with the 1.83m board and the longer rod with the 2.4m board.\u003c\/p\u003e\n\n\u003ch2\u003eWhy choose PRIMA?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCan be used as either a gravel board or a complete stacked fence\u003c\/li\u003e\n\u003cli\u003eSolid, minimalist appearance\u003c\/li\u003e\n\u003cli\u003eEmbossed surface rather than a plain flat plastic board\u003c\/li\u003e\n\u003cli\u003eLow routine maintenance\u003c\/li\u003e\n\u003cli\u003eModular construction allows the finished height to be built board by board\u003c\/li\u003e\n\u003cli\u003eAvailable in coordinated DuraPost colours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation manual\u003c\/h2\u003e\n\u003cp\u003eUse the \u003ca href=\"https:\/\/products.birkdalesales.com\/product\/attachment\/B806183G\/Prima-Boards_TDS_%26_Instructions_2025.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eofficial DuraPost PRIMA technical sheet and installation guide\u003c\/strong\u003e\u003c\/a\u003e for the manufacturer reinforcement and installation details.\u003c\/p\u003e\n\n\u003cp\u003eBrowse the full \u003ca href=\"\/collections\/durapost-composite-fencing\"\u003e\u003cstrong\u003eDuraPost system\u003c\/strong\u003e\u003c\/a\u003e for posts, capping rails, caps, cover strips and accessories. To compare PRIMA with timber and concrete options, see the full \u003ca href=\"\/collections\/gravel-boards-timber-concrete-gravel-boards\"\u003e\u003cstrong\u003eGravel Boards\u003c\/strong\u003e\u003c\/a\u003e range.\u003c\/p\u003e","brand":"DuraPost","offers":[{"title":"1828mm \/ Olive Grey","offer_id":57344587727172,"sku":"B806183G","price":25.44,"currency_code":"GBP","in_stock":true},{"title":"1828mm \/ Light Grey","offer_id":57344587759940,"sku":"B806183C","price":25.44,"currency_code":"GBP","in_stock":true},{"title":"1828mm \/ Sepia Brown","offer_id":57344587792708,"sku":"B806183B","price":25.44,"currency_code":"GBP","in_stock":true},{"title":"1828mm \/ Anthracite Grey","offer_id":57344587825476,"sku":"B806183A","price":25.44,"currency_code":"GBP","in_stock":true},{"title":"1828mm \/ Black","offer_id":57344587858244,"sku":"B8061833","price":25.44,"currency_code":"GBP","in_stock":true},{"title":"2400mm \/ Olive Grey","offer_id":57344587891012,"sku":"B806245G","price":33.95,"currency_code":"GBP","in_stock":true},{"title":"2400mm \/ Light Grey","offer_id":57344587923780,"sku":"B806245C","price":33.95,"currency_code":"GBP","in_stock":true},{"title":"2400mm \/ Sepia Brown","offer_id":57344587956548,"sku":"B806245B","price":33.95,"currency_code":"GBP","in_stock":true},{"title":"2400mm \/ Anthracite Grey","offer_id":57344587989316,"sku":"B806245A","price":33.95,"currency_code":"GBP","in_stock":true},{"title":"2400mm \/ Black","offer_id":57344588022084,"sku":"B8062453","price":33.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/7068\/7812\/files\/upload-1790695277804.png?v=1790695280","url":"https:\/\/www.wern-wood.com\/products\/durapost-prima-composite-fence-boards","provider":"Wern-Wood","version":"1.0","type":"link"}