From Deck Stairs · Step 7 of 8 · Video by Third Coast Craftsman

Showing 12:17–14:26 of the source video.
With the railing posts in place, you can now install the horizontal rails and balusters. Measure the distance between each set of railing posts. Cut 2x4 lumber to these lengths for the top and bottom rails. These rails will support the balusters. For consistent baluster spacing, you'll need to do a calculation. Measure the inside width between the railing posts. Add the thickness of one baluster to this measurement. Divide this sum by the minimum required baluster spacing (e.g., 4 inches) plus the thickness of one baluster. Round this result up to the nearest whole number to get the total number of balusters for that section. Then, divide the original inside width by the number of balusters to get the precise spacing. To easily maintain this spacing during installation, create a 'spacer' block from a scrap piece of wood, cut to the calculated spacing. Place the spacer between each baluster as you install them. Attach the balusters by counter-sinking a hole and adding a screw to both the top and bottom rails. Repeat this process for each railing section.
Goal: Complete the deck's safety railings
This project provides a comprehensive guide to building a sturdy, ground-level wooden deck. It covers every stage from initial design and permitting, through foundation construction, framing, decking, and finishing touches like railings and stairs. The video emphasizes proper layout, adherence to local building codes, and efficient material handling for a successful DIY deck build.
Install railing posts securely to the deck ledger board or directly to the stringers using appropriate hardware and connectors. Then, attach the top and bottom rails between the posts. Finally, install balusters vertically between the top and bottom rails, ensuring they are spaced according to local building codes (typically no more than 4 inches apart).
This project outlines the process of building deck stairs using pre-cut stringers. It covers site preparation, attaching the stringers to the deck, securing them to the ground, and installing treads and railings. Safety is paramount throughout the process, and it's recommended to consult local building codes and consider hiring a professional for complex steps.
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