How to Replace a Deck Post | This Old House

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Shoring up an old deck with new supports with This Old House general contractor Tom Silva. (See below for a shopping list and tools.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Tom Silva and Kevin O'Connor replaced several wooden 4x4 posts that were supporting an exterior deck. The posts, which were not pressure-treated, sat directly on top of concrete piers. They had completely rotted at the bottom due to moisture wicking up through the concrete. Before removing the old posts, Tom & Kevin installed temporary bracing using 2x4's and a sledge hammer. With the deck temporarily supported, they removed the old posts and installed new pressure-treated ones. They also installed a galvanized steel post base at the bottom of each post, eliminating direct contact with the concrete piers. Shopping List for for Replacing a Deck Post: - 2x4s, for making temporary posts - pressure-treated 4x4s, used as posts - pressure-treated 2x4s, to make diagonal braces - metal post base and expansion anchor, used to secure the post to the pier - 3-inch decking screws, used to attach diagonal bracing Tools for Replacing a Deck Post: - hammer - reciprocating saw - pry bar, for pulling nails - hammer drill fitted with 1/2-inch-diameter masonry bit, used to bore anchor holes in concrete piers - impact wrench, for tightening expansion anchors - miter saw - small sledgehammer - impact driver Resources: Pressure-treated 4x4 posts are available in home centers and professional lumbe

Published 2014-10-13 · Watch on YouTube ↗
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