This Old House general contractor Tom Silva shows how to stabilize an unsteady staircase post. (See below for a shopping list and tools.)

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How to Install a Stair Handrail: https://www.youtube.com/watch?v=wYBYzxsH8bs

How to Build Deck Stairs: https://www.youtube.com/watch?v=IYs7XWSYDRA

How to Make a Spindle Headboard: https://www.youtube.com/watch?v=HZqajwS6Ryk

Shopping List for How to Repair a Wobbly Newel Post:
– two ⅜-inch-diameter x 36-inch-long threaded rods, used to fortify post
– two coupling nuts, for attaching hanger bolts to threaded rods
– two hanger bolts
– ½-inch-thick plywood
– carpenter’s glue

Tools for How to Repair a Wobbly Newel Post:
– utility knife
– thin pry bar
– flashlight
– drill/driver fitted with three 12-inch-long drill-bit extensions and ¼-inch-diameter x 12-inch-long drill bit, used to bore pilot holes in base of post
– pliers
– router with slot-cutting bit chisel
– ¾-inch-wide chisel and hammer
– jigsaw
– ratcheting socket wrench
– 7/16-inch-diameter drill bit
– reciprocating saw

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