Parging & Foundation Wall Coating
Cracked or crumbling parging repaired and re-parged across Toronto and the GTA. A clean, weatherproof finish for your foundation walls.
Parging is the finish coat on your foundation, the layer of mortar covering the exposed concrete or block between the ground and your siding. It has two jobs: shield the foundation from weather and make the base of the house look finished.
When parging cracks, bubbles or drops off in sheets, both jobs stop getting done. TCR Pro repairs and re-parges foundation walls across Toronto and the GTA, restoring a smooth, weatherproof finish that lasts.
What you get
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Loose and failed parging removed, never coated over
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Repairs blended or full re-parge, whichever the wall needs
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Smooth, durable, weatherproof finish coat
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Built to handle Ontario freeze-thaw cycles
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Foundation cracks behind the parging repaired properly
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Free estimate from photos of the wall
From photos to a repaired floor
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Send photos
Text or email photos of the damage. We review them and tell you honestly if repair makes sense.
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Written quote
We visit the site where needed and put the scope and price in writing. No surprises later.
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Repair and warranty
Our crew repairs, resurfaces or waterproofs, cleans up the site and backs the work with a written warranty.
Why parging fails in Ontario
Freeze-thaw does most of the damage. Moisture works in behind the parging through hairline cracks, freezes, and pries the coat off the wall a little more each winter. Road salt splash accelerates it near driveways and walkways.
Weak original work fails faster. Parging slapped onto a dusty, unprepared wall never bonds properly, which is why some houses need parging repair within a few years of the last coat.
Repair or re-parge?
Small, isolated failures can be patched: loose material removed, the surface prepared and new parging blended into the old. It is quick and economical when the surrounding coat is still bonded.
When the parging is delaminating across large areas, sounding hollow when tapped, patching is a waste of your money. The honest fix is stripping the failed coat and re-parging the wall as one continuous surface.
We recommend what the wall needs. As a repair-first company, we have no interest in selling a full re-parge where a repair will hold, or a patch that we know will fail.
Our parging process
- Assessment. We sound the wall and map what is bonded and what is not.
- Removal. All loose and hollow parging comes off, never gets coated over.
- Preparation. The wall is cleaned and prepared so the new coat actually bonds.
- Crack repair. Foundation cracks behind the parging are repaired first, not hidden.
- Application. New parging applied and finished smooth, with proper curing.
More than cosmetic
Failed parging exposes the foundation to exactly the moisture and freeze-thaw that damage concrete. If cracks in the parging continue into the foundation wall itself, that is a foundation repair question, and it is one we handle too, from crack injection to full wall restoration.
One inspection covers both layers, so you fix causes rather than repainting symptoms.
When to deal with parging
The best time is the small-crack stage, in warm weather. Parging repairs cure properly in the warm season, and a wall repaired in summer goes into winter shedding water instead of drinking it.
Left alone, the failure accelerates: hairline cracks admit moisture, the next freeze lifts the coat around them, and sheets of parging start dropping off the wall. Each winter multiplies the repair.
There is also the simple curb-appeal case. A crisp, uniform foundation line noticeably sharpens the whole house, which is why re-parging is a favourite pre-sale repair.
Why TCR Pro
Foundation work has been our trade since 1998, and parging is the visible edge of it. We remove what has failed, repair what is behind it and finish the wall clean and weatherproof, in most cases with no permits or drawings needed. Send photos of your foundation wall for a free estimate.
Frequently asked questions
Parging is the mortar coat applied over the exposed part of your foundation wall, between the ground and the siding or brick. It protects the concrete or block from weather and gives the wall a clean, uniform look. When it cracks or falls off, the foundation underneath starts taking the weather directly.
Both are legitimate repairs, and the wall tells us which. Small, isolated failures can be patched and blended. When parging is delaminating across large areas, patching becomes throwing good mortar after bad, and stripping and re-parging the wall is the honest fix. We recommend based on what we find, not on job size.
Freeze-thaw is the usual culprit: moisture gets behind the parging, freezes and pops it off the wall. Poor bonding at the original application accelerates it. That is why our repairs start with removing everything loose and preparing the surface properly, so the new coat bonds and sheds water instead of trapping it.
It scales with the area, the amount of failed material to remove and the condition of the wall behind it. Parging is one of the more affordable exterior repairs, and far cheaper than the foundation damage neglected walls invite. Send photos of the wall for a free estimate.
Available across the GTA
Crews based in Mississauga cover the entire GTA and the Hamilton corridor. Popular areas:
Tell us what needs fixing
Send a few details — we reply with an honest assessment and a written quote. No pressure, no obligation.
- 437-577-9199
- info@tcrpro.ca
- Mon–Fri 9:00 am – 7:00 pm, Sat 10:00 am – 8:00 pm