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Warning: Rocks, roots, or a weak impact wrench (we recommend a corded 350 ft-lbs DeWalt) may prevent you from driving the auger fully into the soil. Use only a 6 point socket as a 12 point socket may strip the driver head. To test your soil for auger suitability, use a 3/4" spade bit with a 24" bit extender and try driving it into your soil. This will give you a good indication of this system will work in your location.
UNILATERAL
This assembly incorporates a single resistance panel designed for applications where assumed forces will exist along a single plane perpendicular to the panel.
If your application is subject to these kinds of forces, the Unilateral Fin is likely the right solution.
MULTILATERAL
This assembly incorporates two criss crossing resistance panels and is better suited for applications where forces may exist in a variety of directions.
The Multilateral Fin is a more robust assembly and better suited for applications where one or more cables may be secured to it.
COMMON USES
Tents or other temporary structures can be held secure using either a Unilateral or Multilateral Fin assemblies depending on your preference.
The Multilateral Fin will generally perform better where forces may be shifting over time. However the Unilateral Fin may be sufficient for your application.
UPLIFT
Pull out resistance (tension) from undisturbed soil varies by soil type and auger length. If you are building a project where known uplift data is required please see our Tension Test data for sandy or clay soils based on auger length. This is data taken from field testing by Intertek in a location in Colorado and is part of an extensive residential code compliance review program this is expected to be completed in the spring of 2022.
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