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Diamond Pier Footing Foundations

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Diamond Pier Foundations

Diamond Pier Foundations offer both contractors and DIY homeowners a revolutionary new way to install stable, solid footings for any deck or other backyard project without the traditional mess, extra work and frustration. Traditionally, installing a deck foundation or footing required excavating a hole below the frost line, pouring the footing and then waiting for the concrete to set. With the new Diamond Pier foundation, all that is in the past! This new footing system features a concrete head that contains pre-made holes. Simply set the head in place and drive the included steel-bearing pins through it deep into the ground with simple hand tools. The pin pile foundation quickly delivers a secure deck footing below the frost line, all without disturbing existing landscaping. Attach a standard post bracket and you're ready to begin building your deck immediately! Tip: Order 4 or more for best shipping value.

  • Simple Installation
  • Minimal Digging
  • Limited Lifetime Warranty
  • Made in the USA.
  • Accepts 4x4 & 6x6 Posts
  • ESR Code Approved ESR-1895
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The Diamond Pier Foundation System features solid pin pile technology designed to deliver fast, easy-to-use and strong support for any deck project, all without digging holes or pouring concrete! This technology has been proven over nearly three decades of use by public agencies across the country, and it offers the best way to install a reliable and durable foundation that will last the lifetime of your deck structure.

Now available in a new offset style that accepts 4x4, 4x6 & 6x6 deck support posts. For homeowners who are doing a single DIY project, Diamond Pier Foundations can be installed using either a large sledge hammer or the custom driver tool. For contractors, any standard pointed bits that fit 30# - 60# Electric Hammer tools easily slide inside the pins to speed up installation.

Diamond Pier ESR Report

Diamond Pier Load Chart

Diamond Pier  Model  DP-50 with 50” Pins  DP-75 with 63” Pins
 Bearing in 2000 PSF Sands  3600#  5850#
 Bearing in 1500 PSF Silts/Clays  2700#  4400#
 Bearing Area in SF  1.8  2.93
 Base Area Comparison  18” Cylinder  23” Cylinder
 Uplift  1175#  1380#
 Lateral  1070#  1310#
 Frost Zone Rating  48"  60"


Package Quantity Single Diamond Pier Footing & Four Pins
Manufacturer Diamond Pier
Manufacturer Link
Installation Help
Dimensions DP-50 | DP-75

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