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Foundation Repair
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Stone Foundation Repair in Massachusetts

Old Stone Holds. The Mortar Is What Fails. Most New England homes built before 1940 sit on a fieldstone foundation laid with soft lime mortar. The stone itself rarely fails. What fails is the mortar between it, washed out joint by joint until the wall sheds sand onto the floor and the basement starts to smell of damp. We repoint, parge and rebuild those walls with mortar matched to what was there.

Fieldstone Repointing

Fieldstone Repointing

Rubble stone foundation raked out, repointed and parged with a breathable mix that keeps the stone profile readable.

Finished Basement Wall

Finished Basement Wall

A parged stone foundation wall carried through to a finished room, with the stone face still legible behind the coat.

Stone Laid And Jointed

Stone Laid And Jointed

Exterior stone wall by the same crew, showing how the joints are tooled and the caps are set.

Fieldstone and Rubble Walls

Built For
New England Stone

Foundation Repair detail

A fieldstone foundation is a stacked wall held by a mortar that was mixed to be softer than the stone. That softness is deliberate. It lets the wall breathe and move through a New England winter without cracking the stone itself. When an earlier repair packs those joints with modern portland cement, the mortar ends up harder than the stone around it, moisture gets trapped behind the patch, and the freeze and thaw cycle starts breaking the stone instead of the joint. We work the other way around. Failed joints are raked out by hand back to sound mortar, the original mix is assessed for composition and hardness, and the wall is repointed with a lime based mortar compatible with both the stone and the age of the building. Where the face has been lost we parge it with a breathable coat that keeps the stone profile readable instead of burying it flat. Where stones have dropped or a section has lost bearing, that section is rebuilt before anything cosmetic happens.

Our Process

01

Wall Assessment

We read the wall before touching it: where the mortar has gone, whether stones have shifted, and whether the damage tracks a downspout, a grading problem or an earlier cement repair. You get told plainly what is structural and what is cosmetic.

02

Mortar Matching

We assess the existing mortar for composition, color, sand size and hardness, then mix a lime based mortar softer than the stone. Mortar harder than the stone is the most common cause of a repair that destroys the wall it was meant to save.

03

Rake Out and Repoint

Failed joints are raked out by hand back to sound material rather than skimmed over. Stones that have dropped are reset, voids are packed from behind, and joints are tooled so water runs off the face instead of sitting in it.

04

Parge and Finish

Where the wall has lost its face we apply a breathable parge coat that keeps the stone profile visible. Staging comes down and the floor is swept the same day we finish.

Specialized Work

Every stone and joint executed to the highest New England engineering standards.

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Fieldstone Repointing
Stone Foundation Repair
Basement Wall Repair
Parging
Rebuilt Wall Sections
Lime Based Mortar
Crack Stabilization
Sill and Beam Pockets

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