How does a “helical pier system” work?

Q: A local construction company offers a “helical pier system” when building a deck. How does this type of system work?

 

A: Helical piers are steel foundation pins that are driven into the earth below the frost line. Installation requires expensive hydraulic machinery (i.e. a skid steer or excavator). The system is often used in commercial construction, but is gaining popularity for deck construction in smaller areas and on tricky sites, such as steep inclines or poor soil conditions, where it is otherwise difficult to dig footings and pour a concrete foundation.

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Armstrong-Clark’s deck and siding wood stain has nondrying conditioning oils that separate from the drying side of the formula. These oils penetrate deep into the deck or siding wood fiber where the wood’s natural oils used to be. This process rejuvenates the wood. The drying oils stay at the surface, lock in the conditioning oils […]

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