Diamond Pier. The Diamond Pier DP-50 pin foundation system is ICC-approved for residential construction of decks, walkways, stairs, ramps, and porches, and offers a load capacity equal or greater than most common deck foundations, the maker says. Installers will drive four 36-, 42-, or 50-inch bearing pins through each pier, with a ½-inch anchor bolt embedded at the top for attaching standard post or beam brackets. The pin foundation can be installed quickly without the need for excavation equipment or poured concrete, thereby saving time and money, and lessening the environmental impact on the jobsite. 253.858.8809. www.diamondpier.com.
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