The TimberTech Reliance Rail CORE Series Installation Guide (2025 PDF) provides step-by-step instructions for installing TimberTech’s CORE Series aluminum-and-composite railing system. This detailed manual covers level railing, stair railing, angled applications, drink rail installation, and all components included in the CORE Series system.
The guide begins with important safety notes, fastener requirements, and recommended tools such as a miter saw, T25 driver bit, drill, and 1/2″ and 5/32″ drill bits. Installers will find diagrams for every component in the system, including top and bottom rails, aluminum stiffeners, square and round balusters, post sleeves, post skirts, caps, foot blocks, bracket covers, and the 45° angle adapter kit.
Level railing installation covers preparing and trimming post sleeves, setting post skirts, measuring inside-to-inside post spans, and cutting top and bottom rails to ensure baluster spacing does not exceed the 4″ code requirement. The manual explains how to drill for foot blocks, install rail brackets at a slight inward angle, and fasten rails securely to both post sleeves and wood support posts. Tips include using 2″ blocks to support the rail, aligning the aluminum stiffener correctly, and ensuring the long leg of the P-shaped stiffener faces toward the deck.
Stair railing installation includes measuring stair angles, ensuring bottom rail height does not allow a 6″ sphere to pass between rail and stair tread, cutting rails slightly short to prevent scratching, using the 6″ drill extension for tight spaces, and installing balusters so they sit evenly within routed holes. Full fastening schedules for top and bottom brackets are provided for both 36″ and 42″ systems.
The guide also covers installing 45° adapters for angled rail sections and provides a complete overview of the CORE Series Drink Rail system, including inverting the top brackets, attaching drink rail clips, and spacing clips no more than 18″ apart.
Download the full TimberTech Reliance Rail CORE Series Installation Guide (2025 PDF) below for diagrams, cutting tips, baluster-count charts, and best-practice installation steps. For project support or help selecting the right TimberTech railing, contact your local TimberTown team—we’re always here to help.
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