{"product_id":"pergola-deck-post-support-bracket","title":"Heavy-Duty 4x4 Post Base Bracket Kit – Two-Piece Retrofit Deck \u0026 Pergola Post Anchor (Fits 3.5\" x 3.5\")","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\n\u003cp\u003eThe Ningbo Dimon Heavy-Duty 4x4 Post Base Bracket Kit is an innovative two-piece structural anchor engineered for effortless new construction and retrofit installations on decks, pergolas, porches, gazebos, and outdoor handrails. Featuring an ingenious two-piece interlocking half-wrap design, this post base fits snugly around standard nominal 4x4 lumber (actual 3.5\" x 3.5\") and installs directly onto existing, in-place wooden posts without requiring you to disassemble overhead rafters, jack up beams, or lift existing posts. Fabricated from heavy-duty structural carbon steel with a durable outdoor black powder-coated finish, it provides exceptional lateral stability, uplifting resistance, and post-bottom rot protection.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Split Retrofit Design:\u003c\/strong\u003e Clamps directly around existing posts from both sides, enabling fast, hassle-free reinforcement and repair without needing to jack up or detach standing pergolas, deck railings, or porch structures.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eFits Standard 4x4 Lumber:\u003c\/strong\u003e Specifically engineered to fit standard nominal 4\" x 4\" wooden posts (actual 3.5\" x 3.5\" \/ 89 mm x 89 mm cross-section).\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHeavy-Gauge Solid Steel Construction:\u003c\/strong\u003e Stamped and formed from high-strength structural carbon steel with precision pre-drilled holes for maximum load-bearing rigidity and shear resistance.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eWeatherproof Anti-Corrosion Finish:\u003c\/strong\u003e Coated with an industrial-grade electrostatic black powder finish that withstands extreme weather, UV exposure, rain, snow, and outdoor humidity.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eVersatile Substrate Anchoring:\u003c\/strong\u003e Bottom flange mounting holes allow secure anchoring into concrete slabs, masonry patios, or timber deck framing using appropriate concrete expansion bolts or heavy-duty lag screws.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePost Base Protection:\u003c\/strong\u003e Elevates post fastening points to prevent water pooling at the wood base, reducing premature rot, fungal decay, and insect damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heavy-Duty Structural Carbon Steel\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Two-Piece Interlocking Half-Wrap Split Design\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eInner Dimensions:\u003c\/strong\u003e Fits standard 3.5\" x 3.5\" (89 mm x 89 mm) nominal 4x4 wooden posts\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e High-Durability Outdoor Matte Black Powder Coat\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHole Pattern:\u003c\/strong\u003e Pre-drilled side screw holes for wood post fastening \u0026amp; bottom flange holes for ground anchoring\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Deck railing posts, pergola supports, gazebo columns, porch uprights, fence post anchors, and mailbox supports\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHardware Compatibility:\u003c\/strong\u003e Compatible with standard 1\/4\" or 5\/16\" wood lag screws and concrete wedge\/sleeve anchors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWholesale \u0026amp; OEM Capabilities\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCustom Sizes:\u003c\/strong\u003e Available for 4x4 (3.5\" x 3.5\"), 6x6 (5.5\" x 5.5\"), and custom timber dimensions per engineering drawings.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSurface Finishes:\u003c\/strong\u003e Standard matte black powder coat, hot-dip galvanized (HDG) for marine\/coastal exposure, or custom architectural RAL powder colors.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eFlexible Kitting \u0026amp; Packaging:\u003c\/strong\u003e Available in bulk contractor cartons or retail-ready 4-pack \/ 8-pack kits with mounting screws, expansion anchors, and custom barcode labeling.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eFactory-Direct Manufacturing:\u003c\/strong\u003e High-precision stamping production, consistent batch quality control, and streamlined global export logistics from Ningbo, China.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Ningbo Dimon Metal Products Co.,Ltd","offers":[{"title":"1 Pc","offer_id":49307416723595,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/0295\/7707\/files\/71eb4f8ee0f2259c558ee4be3fc893a3.jpg?v=1793865993","url":"https:\/\/nbdimon.myshopify.com\/en-sa\/products\/pergola-deck-post-support-bracket","provider":"Ningbo Dimon Metal Products Co.,Ltd","version":"1.0","type":"link"}