From Newel Post and Banister Tightening · Step 7 of 8 · Video by Bruce Sturtevant Woodworking

Showing 0:04–0:05 of the source video.
After applying glue, the baluster is carefully maneuvered into position. First, the bottom end of the baluster is inserted into a pre-drilled hole in the stair tread. Next, the top end is angled and gently fitted into the corresponding groove or hole located on the underside of the handrail. The craftsman uses their hands to ensure the baluster is properly seated, plumb (vertically straight), and flush with the surrounding components before final fastening.
Goal: Fit baluster securely between the stair tread and handrail
This project provides a step-by-step guide on how to install wooden balusters into an existing staircase, focusing on the techniques for applying adhesive and mechanically fastening them. The process involves preparing each baluster with wood glue, carefully positioning it between the stair tread and handrail, and then securing it permanently with a brad nailer.
Inspect each baluster (the vertical spindles supporting the handrail). If any are loose where they meet the tread or the handrail, apply wood glue into the gap and re-seat them firmly. For more secure connections, small brad nails or specialized baluster screws can be used from the underside.
This project involves identifying the cause of a wobbly newel post and loose banister and then applying appropriate methods to secure them. This may include tightening screws, reinforcing connections, or using wood shims and adhesive.
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