Lally Column Replacement & Power Post Installation

Restore Structural Support. Eliminate Sagging Floors.

Basement support columns carry the weight of your home. When they rust, shift, or fail, the structure above them is affected.



At Arta Foundation Repairs, we replace failing lally columns and install permanent steel power posts to restore strength and stability.

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Lally Column Replacement

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Power Post Installation

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Signs Your Lally Columns May Need Replacement

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Rusted or corroded steel columns

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Columns leaning or shifting

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Sagging or uneven floors above

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Temporary jack posts in place

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Cracked basement floor around column base

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Wood shims stacked under supports

If you’re noticing these warning signs, your home may be at risk — addressing column issues early can prevent serious structural damage.

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Lally Column Replacement

Older lally columns can deteriorate over time due to moisture, corrosion, or improper installation.



We safely remove damaged columns and replace them.

Power Post Installation

Power posts are adjustable steel support columns designed for permanent structural reinforcement.


They are commonly used to:

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Correct sagging beams

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Reinforce undersized supports

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Replace temporary jack posts

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Stabilize aging floor systems

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Why Proper Installation Matters

Improperly installed support posts can cause:

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Continued floor movement

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Cracking in drywall

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Additional structural stress

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Shifting or sinking columns

Correct footing support and alignment are critical. We make sure the load is transferred

properly and safely.

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Why Choose Arta Foundation Repairs?

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Experienced in structural stabilization

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Honest recommendations

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Efficient installation

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Serving homeowners across New Hampshire

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Don't wait until it's too late! Call us today: 603-306-9029

Contact Arta Foundation Repairs today for a professional assessment.

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