From Stair Handrail Installation · Step 3 of 7 · Video by This Old House

Showing 1:51–2:28 of the source video.
Using a stud finder, scan the wall along the chalk line to locate the vertical studs behind the drywall. Mark both edges of each stud that will fall within the length of your handrail. Once both edges are marked, determine the center of the stud and make a clear mark for the pilot hole. These studs provide a strong anchoring point for the handrail brackets. Using a drill with a 7/64-inch drill bit, drill a pilot hole into the center of the first located stud at the appropriate height for a bracket. Mount the first handrail bracket by aligning its top screw hole with the pilot hole and driving a screw to secure it loosely. Drill pilot holes for the remaining screws of that bracket and securely fasten them. Repeat this process for the second bracket at the other end of the handrail's path, ensuring it's also mounted into a stud and aligned with your chalk line.
Goal: Securely mount handrail brackets to wall studs.
This project provides a detailed guide on how to properly install a stair handrail on a wall, adhering to building codes for height. It covers measuring, marking, locating studs, cutting the handrail with mitered returns, and finally securing it to the wall brackets.
Hold the handrail itself, or a paper template representing its position, against the wall along your marked line. Align the intended bracket locations with the marked stud centers. Mark the precise spots on the wall where each bracket will be attached. Ensure the spacing between brackets is appropriate for supporting the handrail effectively.
This project outlines the steps for securely installing a wall-mounted stair handrail, ensuring it meets safety and building code requirements.
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