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Screw piers, helical piers, and helical piles are the same product. Here is why there are so many names, how they work, and what they cost ($2,700/$2,200 per pier at 603).
A basement wall is bowing when part of it has moved inward instead of staying in its original plane. A horizontal crack, inward curve, displaced block course, or widening gap at the top can be part of the pattern, but one surface crack alone does not prove the wall is moving. 603 Basement Solutions checks the wall from end to end, compares the crack and movement pattern, and looks at water, soil, and restraint around it. Schedule an inspection if the shape is new, changing, or paired with visible displacement.
A sagging or uneven floor does not automatically mean the foundation is failing. The problem may sit in a joist, beam, sill, support column, footing, or the soil below the house. What matters is the pattern: where the floor changes, whether it is getting worse, and what the supports below it look like. 603 Basement Solutions follows that load path from the floor down before recommending a repair. If several rooms slope together, the floor feels soft, or doors have changed along with it, schedule an inspection.
603 sill beam replacement typically costs $7,000 to $30,000. See what changes the price, what the repair includes, and real 603 job photos.
603 helical piers for existing foundation repair cost $2,700 each for the first three, then $2,200 each. See real pier-count totals and cost factors.
Lally column replacement in NH runs about $1,300 to $2,500 per column. See what drives the price, the NH code and frost-depth rules, and warning signs, from a crew that self-performs structural work.
