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Diamond Pier Pin Foundations Diamond Pier Pin Foundations
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Diamond Pier® Foundations are pre-engineered foundation systems for all types of secondary residential structures, including decks, porches, walkways, sheds, stairs, and gazebos. The system installs in minutes without excavation, and you can frame immediately. These foundations allow builders to dramatically increase their production—simply set the concrete head, drive the pins, fasten a standard post bracket, and start building. Downtime and scheduling headaches are eliminated, and there's no need to dig deep holes, pour concrete, or repair landscape. The job site and yard are left clean and damage-free.

Based on nearly three decades of use by public agencies across the United States, the latest Diamond Pier models, DP-50 and DP-75, are designed for use in normal construction conditions, and follow a simple load chart and basic knowledge of local soils. See our published Residential Load Chart.

Always striving to go “Beyond the Standard,” Pin Foundations, Inc. (PFI) is dedicated to excellence in the design, testing, and performance of the Diamond Pier product. We manufacture the highest quality products and maintain rigorous quality control procedures and standards. We have also invested in the highest standards of code compliance documentation, providing testing certifications through the ICC-ES evaluation services program with our published ESR-1895 code compliance document. PFI has a proven history of field performance in a wide range of low-impact foundation systems used in the most innovative building applications. Our innovation and dedication to quality allows you, the builder, to build with confidence and know that your project rests on a solid foundation.

Diamond Pier products are sold through building material distributors. Click on the Stocking Retail Stores button above to find the closest retail outlet in your area. If there are no stocking retail stores in your area, please contact us by phone or email (Contact Us).


Diamond Pier Pin Foundations