{"product_id":"aluminum-deck-railing-post-39-inch","title":"SENMIT 39-Inch Surface-Mount Aluminum Deck Railing Post, 55 × 55 mm","description":"\u003cp\u003ePlan post positions around your deck, porch or stair layout with the SENMIT surface-mount aluminum railing post. Its 39-inch height and 55 × 55 mm square profile define the post dimensions for this vertical picket railing family.\u003c\/p\u003e\n\u003cfigure class=\"senmit-product-lifestyle\" data-senmit-lifestyle=\"post-wide\" data-senmit-batch=\"aluminum-lifestyle-20261019\" style=\"margin:28px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0027\/7957\/8434\/files\/senmit-adr-post-wide-lifestyle-20261019.webp?v=1792395769\" alt=\"AI-generated illustrative deck view of a black square post with a flat-top base cover; adjacent railing panels are not included.\" width=\"1448\" height=\"1086\" loading=\"lazy\" decoding=\"async\" style=\"display:block;width:100%;height:auto;border-radius:12px;\"\u003e\u003cfigcaption style=\"padding:12px 0;\"\u003e\u003cstrong style=\"display:block;font-size:1.1em;\"\u003eThe Post Within the Layout\u003c\/strong\u003e\u003cp\u003eVisualize the 55 × 55 mm square post within a black vertical-picket railing layout.\u003c\/p\u003e\n\u003cp style=\"font-size:0.875em;\"\u003eAI-generated illustrative rendering, not a customer project. This listing is for the post and decorative base cover; railing panels are not included.\u003c\/p\u003e\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003ePost specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: aluminum\u003c\/li\u003e\n\u003cli\u003eMount type: surface mount\u003c\/li\u003e\n\u003cli\u003ePost height: 39 inches\u003c\/li\u003e\n\u003cli\u003eSquare cross-section: 55 mm× 55 mm\u003c\/li\u003e\n\u003cli\u003eIncluded decorative base cover: 100mm × 100 mm outer size, low-profile flat-top style\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe matching decorative base cover conceals the mounting plate and fixings for a clean finish. Its 100 × 100 mm measurement is the cover's outer size, not the mounting plate size.\u003c\/p\u003e\n\u003cfigure class=\"senmit-product-lifestyle\" data-senmit-lifestyle=\"post-detail\" data-senmit-batch=\"aluminum-lifestyle-20261019\" style=\"margin:28px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0027\/7957\/8434\/files\/senmit-adr-post-detail-lifestyle-20261019.webp?v=1792395790\" alt=\"AI-generated illustrative close-up of a black square aluminum post and its thin, flat-top square decorative base cover on a deck.\" width=\"1448\" height=\"1086\" loading=\"lazy\" decoding=\"async\" style=\"display:block;width:100%;height:auto;border-radius:12px;\"\u003e\u003cfigcaption style=\"padding:12px 0;\"\u003e\u003cstrong style=\"display:block;font-size:1.1em;\"\u003eA Low-Profile Base Detail\u003c\/strong\u003e\u003cp\u003eSee the low-profile, flat-top decorative cover, with a 100 × 100 mm outer size, around the 55 × 55 mm post.\u003c\/p\u003e\n\u003cp style=\"font-size:0.875em;\"\u003eAI-generated illustrative rendering, not a technical drawing. The 100 × 100 mm dimension is the cover's outer size, not the mounting plate size; cover height is not specified. Railing panels are not included.\u003c\/p\u003e\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eCoordinate the railing layout\u003c\/h3\u003e\n\u003cp\u003eMatch the post locations with your panel lengths, corners, stair transitions and supporting structure. The railing family uses 36-inch panels with 50 mm× 30 mm top rails and 40mm × 30 mm bottom rails; these rail dimensions describe the separate panels, not parts supplied with this post listing.\u003c\/p\u003e\n\u003ch3\u003eBefore installation\u003c\/h3\u003e\n\u003cp\u003eThis listing is for the post with its decorative base cover, not a panel-and-post kit. Confirm the remaining supplied mounting components, post caps, screws or anchors and any separately required items before ordering. Select fixing details for the actual supporting structure and have the installation requirements checked for your project.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"mailto:sales@senmit.com?subject=Aluminum%20Deck%20Railing%20Post\"\u003eContact sales@senmit.com\u003c\/a\u003e with your layout and mounting-surface details.\u003c\/p\u003e","brand":"SENMIT","offers":[{"title":"Surface Mount \/ 39\"","offer_id":45665253949506,"sku":"SEN-ADR-P-39-55","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0027\/7957\/8434\/files\/senmit-adr-post-product-flat-cover-100mm-20261019.webp?v=1792390008","url":"https:\/\/senmit.com\/products\/aluminum-deck-railing-post-39-inch","provider":"Senmit ","version":"1.0","type":"link"}