What is SFA open bore piling?

SFA open bore piling is a foundation method used to transfer structural loads into the ground by forming reinforced concrete piles within a drilled borehole. The system uses a sectional flight auger to remove soil and create the bore, which is then filled with concrete and reinforcement to form a stable, load-bearing element.

It is commonly used on projects where ground conditions allow for open bore construction and where controlling noise, vibration and overall site impact is important. Because the process relies on drilling rather than impact, it offers a more controlled and predictable installation compared to driven piling methods.

This makes it particularly suitable for use in built-up environments or on sites where protecting surrounding structures is a key consideration.

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Every site and project is different. If you still have questions or would like advice based on your drawings or site conditions, please contact our team, and we’ll be happy to help.

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Residential piling jobs we’ve
completed over the years.