7 Drainage amp Backfill Mosaic Retaining Wall Installation

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=eyXw9-1ggos

Proper drainage is critical to the performance of any retaining wall system. Drainage aggregate is used behind all walls to keep water pressure from building up behind the wall face. In addition, for walls over 3 feet high, perforated drain pipe is used to quickly collect and eliminate large amounts of water from behind the wall. Here are a couple of examples of drain pipe—flexible and rigid. • For more information visit http://www.versa-lok.com

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