From Newel Post and Banister Tightening · Step 7 of 8 · Video by Guy of All Trades

Showing 6:47–8:49 of the source video.
After the baluster has been accurately trimmed to size (the cutting process is not shown in this segment), apply a generous amount of wood glue, specifically Titebond Premium Wood Glue, around the removable locator pin at the bottom of the baluster. Carefully insert the glued pin into the prepared, recessed hole on the stair tread. To attach the top of the baluster, gently lift the handrail upwards just enough to create space. Then, guide the tapered top end of the baluster into its corresponding hole in the handrail. Once both the bottom pin and the top are seated, twist the baluster slightly to ensure the glue spreads evenly. Immediately wipe away any excess glue that oozes out with a damp rag for a clean finish. The goal is for the baluster to fit snugly and securely without the need for additional caulk.
Goal: Securely install a baluster into the prepared tread and handrail holes
This project details the process of replacing balusters on a staircase without removing the handrail. It involves preparing the existing holes on the stair treads, accurately measuring and trimming new tapered balusters with removable locator pins, and then gluing them into place. The project emphasizes precise fitting to achieve a clean, professional finish.
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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