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Foundation Parging in Dundalk, MD

Dundalk's steel-era rowhouses and cape cods were built fast on concrete block foundations in the 1940s and 50s to house Bethlehem Steel workers. Those foundations are now 70 to 80 years old and the original parge coats are showing their age. We repair and re-parge Dundalk foundations regularly.

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Dundalk Foundation Work

Steel-Era Block Foundations at 70+ Years

Dundalk was built up rapidly during the wartime and postwar boom to support the Bethlehem Steel workforce. Speed was the priority — and these homes delivered shelter, but the concrete block foundations were built to be good, not forever. After 70-plus years of Maryland winters, the parge coats are showing the cumulative damage.

Cracking, spalling, hollow sections, and efflorescence are all common signs that the parge has aged past repair-in-place and needs to be re-done. We'll tell you honestly whether a patch job will hold or whether a full re-parge makes more sense for your foundation.

What We Do

✓ Parge coat repair — patch cracked, spalled, or delaminated sections
✓ Full re-parge — strip old parge and apply a fresh coat
✓ Crack repair — horizontal, vertical, and stair-step cracks filled and bridged
✓ Chimney parging — mortar cap and crown repair
✓ Waterproofing coat — hydraulic cement or additive for exposed areas

Signs Your Foundation Needs Parging

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Visible cracks in the parge coat, especially horizontal cracks indicating soil pressure

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Spalling or flaking — parge coming off in chunks or layers

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White efflorescence — mineral deposits indicating water moving through the block

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Damp basement walls — moisture on the interior face of the foundation

Free foundation assessment in Dundalk

We'll look at your foundation, tell you what it needs, and give you a written price. No pressure.

☎ (443) 806-8077

Why MN Plastering

Dundalk's Foundation Parging Contractor

37 Years in Baltimore

We've been working Baltimore's older neighborhoods since 1987. Post-war concrete block is our wheelhouse — we know what it looks like when it's failing and what it takes to fix it right.

Proper Surface Preparation

Parging fails when the substrate isn't prepared. We clean, dampen, and key surfaces properly before any mortar goes on — the difference between a repair that lasts and one that spalls off in two winters.

Licensed & Insured

MHIC #118059. A+ BBB. Fully insured. 77 five-star Google reviews from Maryland homeowners.

Written Estimates

You know what the job costs before we touch your foundation. No surprises, no pressure.

FAQ

Dundalk Foundation Parging Questions

What is foundation parging?

Parging is a thin coat of mortar or cement-based material applied to the exposed face of a concrete block foundation. It seals the porous surface, fills voids, and provides a weather-resistant finish. Most Dundalk homes from the 1940s and 50s have parged concrete block foundations that need repair as the original coat ages past 70 years.

Does parging waterproof a foundation?

Parging significantly reduces moisture infiltration on exposed above-grade foundation walls. For foundations with significant hydrostatic pressure or active water infiltration, additional waterproofing may be needed. We'll give you an honest assessment of what will solve your situation.

How long does parging last?

Properly applied parging on a stable foundation typically lasts 20–30 years in Maryland's climate. We prep properly and mix for longevity — not for speed.

How much does foundation parging cost in Dundalk?

Most residential foundation parging in Dundalk runs $8–$15 per square foot depending on the condition and square footage of the foundation. We provide written estimates — call to schedule an assessment.

Should I repair or replace the parge coat?

If cracks are isolated and the rest of the parge coat is still bonded, repair is sufficient. If the parge is failing broadly — hollow-sounding, spalling in large areas — full replacement gives you a better result. We'll tell you which approach makes sense after we look at it.

When is the best time of year to parge a foundation?

Spring and fall are ideal — moderate temperatures with good curing conditions. We avoid hot direct sun and freezing temperatures. We work through most of the Maryland spring, summer, and fall season.