How to Build a Timber Retaining Wall | This Old House
This Old House landscaping contractor Roger Cook shows how to construct a wood-timber retaining wall to create a play area. (See below for a shopping list and tools.)
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Shopping List for How to Build a Timber Retaining Wall:
1x3 wood stakes [https://amzn.to/2M18dFg] and nylon string [https://amzn.to/2HBw0GJ], used to establish layout lines for timbers
6x8-inch pressure-treated landscaping timbers [https://amzn.to/2QbzIe4], used to build retaining wall
wood preservative [https://amzn.to/2JJaXVj], to treat cut ends of timbers
3/4-inch stone [https://amzn.to/2EdQRPu], used as base and drainage material
landscaping filter fabric [https://amzn.to/2LO8Wd3], used to prevent soil from clogging drainpipe
4-inch-diameter perforated drainage pipe [https://amzn.to/2HLe2BJ], for draining water away from retaining wall
1/2-inch-diameter (No. 4) x 4-foot-long metal reinforcing bar [https://amzn.to/2W9sgFy], used to stake timbers and dead men to ground
12-inch landscaping screws [https://amzn.to/2VBu9Xq], for fastening together the landscaping timbers
bark mulch [https://amzn.to/2YAKsFK], used to cover the ground in front of the retaining wall
Tools for How to Build a Timber Retaining Wall:
hand tamper [https://amzn.to/2JSBlfz], used to compact the soil and stone base
wheelbarrow [https://amzn.to/2HlIx1Y], used to transport stone and mulch to jobsite
shovel [https://amzn.to/2w3KUzU], for excavating the ground
circular saw [https://amzn.to/2VwSi0W], used to cut timbers
impact driver [https://amzn.to/2VsuNGw], used to drive landscaping screws into timbers
drill/driver [https://amzn.to/2VvOsp8] with 9/16-inch-diameter spade bit [https://amzn.to/2JHHKdk], used to bore holes in timbers for rebar stakes
sledgehammer [https://amzn.to/2W2h4uv], used to drive in rebar and wood stakes
6-foot level [https://amzn.to/2w6ADDi]
torpedo level [https://amzn.to/2WdILAg]
foam paint brush [https://amzn.to/2VwkDo4]
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How to Build a Timber Retaining Wall | This Old House
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