Installing Helical Pier Deck Supports

Instead of a poured concrete pier, savvy deck builders use power-driven helical screw piers (or piles).

1. Screwing Down Steel pile depth depends on soil resistance and frost depth. Larger screw sizes can support more weight. 2. Bearing Up Bearing capacity is determined by measuring driving torque or by conducting a blow count test. 3. Hooking In Steel brackets connect the pier top to the deck framing for bearing, bracing, and uplift resistance.

Pete Sucheski

1. Screwing Down Steel pile depth depends on soil resistance and frost depth. Larger screw sizes can support more weight. 2. Bearing Up Bearing capacity is determined by measuring driving torque or by conducting a blow count test. 3. Hooking In Steel brackets connect the pier top to the deck framing for bearing, bracing, and uplift resistance.

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1. Screwing Down Steel pile depth depends on soil resistance and frost depth. Larger screw sizes can support more weight.

2. Bearing Up Bearing capacity is determined by measuring driving torque or by conducting a blow count test.

3. Hooking In Steel brackets connect the pier top to the deck framing for bearing, bracing, and uplift resistance.

About the Author

Ted Cushman

Contributing editor Ted Cushman reports on the construction industry from Hartland, Vt.

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