From Newel Post and Banister Tightening · Step 7 of 8 · Video by Menards Home Improvement

Showing 3:35–4:17 of the source video.
Insert a baluster into a pre-drilled hole in the stair tread. Use a level to guide you and a pencil to mark the exact angle where the top of the baluster meets the bottom edge of the handrail. Cut each baluster to this marked angle, ensuring it is cut 1/16 inch longer to allow for a snug fit into the groove at the bottom of the handrail. Apply wood glue to the bottom of the baluster and insert it into the tread hole. Then, apply glue to the angled top of the baluster and nail it into place against the handrail using a nail gun and finishing nails. Repeat this process for all balusters. Finally, cut and secure the small fillet pieces, which fit under the handrail between each baluster, using glue and finishing nails. For straight sections of railing, ensure the handrail is cut to the correct length, bolts are installed into the newels, balusters are set, and then the handrail is installed. Clean up any excess glue with a damp cloth. Allow the entire railing system to set for 24 hours to ensure the glue dries completely and the structure is stable.
Goal: Complete the baluster installation and add fillet pieces for a finished look.
This project provides a comprehensive, step-by-step guide for installing a new wooden stair railing system. It covers the entire process from initial measurement and planning to securing newel posts, cutting and attaching handrails, drilling and installing balusters, and adding finishing touches like fillet pieces, ensuring a secure and aesthetically pleasing result.
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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