{"product_id":"100mm-x-100mm-post-support-bolt-down","title":"Bolt Down Post Support 100mm x 100mm (4\" x 4\")","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eBolt Down Post Support with a 100mm x 100mm internal socket designed for securing timber fence posts to hard surfaces where ground fixing is not possible. Manufactured from heavy-gauge steel and hot-dip galvanised for corrosion protection, it provides a stable and durable mounting base for structural timber posts. \u003cbr\u003e\u003cbr\u003eThe rigid box section socket ensures accurate post alignment, while pre-drilled base holes allow straightforward anchoring to concrete, decking, or paving. Ideal for patios, driveways, and paved areas where concrete embedment cannot be achieved. \u003cbr\u003e\u003cbr\u003eInternal size of 100mm x 100mm (4\" x 4\") suits standard heavy-duty timber posts used in boundary or gate installations.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanised steel construction\u003c\/strong\u003e: Provides high corrosion resistance and ensures reliable long-term outdoor performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid box section socket\u003c\/strong\u003e: Maintains post alignment and prevents movement under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-down base plate\u003c\/strong\u003e: Enables secure fixing to existing hard surfaces without excavation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-drilled fixing holes\u003c\/strong\u003e: Allow straightforward anchoring using expansion bolts or coach screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal socket size 100mm x 100mm (4\" x 4\")\u003c\/strong\u003e: Accommodates heavy-section timber posts for robust structural stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimber fence post mounting\u003c\/strong\u003e: Provides a stable, non-dig installation on hardstanding areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGate post fixing\u003c\/strong\u003e: Supports heavy gate structures where post embedment is impractical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecking and balustrade support\u003c\/strong\u003e: Secures vertical posts to timber or composite decking systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface preparation\u003c\/strong\u003e: Ensure the substrate is level, clean, and capable of bearing load before installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositioning\u003c\/strong\u003e: Align the support plate to the required line before marking fixing holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixing\u003c\/strong\u003e: Drill and insert suitable masonry or timber anchors through the base plate holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost fitting\u003c\/strong\u003e: Insert the post fully into the socket and secure with through-bolts or coach screws.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial specification\u003c\/strong\u003e: Heavy-gauge galvanised steel with welded joints for enhanced strength and rigidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection\u003c\/strong\u003e: Hot-dip galvanised coating for long-term resistance to rust and environmental exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad performance\u003c\/strong\u003e: Suitable for domestic and light structural use under standard wind and impact conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e: Ensure fixings are appropriate for the substrate and post size to maintain full load capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"4\u0026quot; x 4\u0026quot;","offer_id":53771528274031,"sku":"4001444","price":11.66,"currency_code":"GBP","in_stock":false},{"title":"3\u0026quot; x 3\u0026quot;","offer_id":53771528306799,"sku":"4001443","price":10.3,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/bolt_down_post_support_side_view.jpg?v=1783758641","url":"https:\/\/supplyyard.co.uk\/products\/100mm-x-100mm-post-support-bolt-down","provider":"Supply Yard","version":"1.0","type":"link"}