Parging Kemptville

Parging in Kemptville, a Rideau mill village on limestone plain

Ottawa Parging Experts serves Kemptville and the wider municipality of North Grenville, about 55 kilometres south of downtown Ottawa down Highway 416. The village began as a mill settlement on the South Branch of the Rideau River in the early 1800s, known first by the name of the family who put up the mill and later renamed for Sir James Kempt. For most of the following century it was a farm-service town for the surrounding townships, a role reinforced when the agricultural college opened here in the years around the First World War.

That gives Kemptville three distinct layers of building. The old core along and around Prescott Street holds 19th century brick and stone, much of it on rubble stone cellars. The surrounding countryside carries stone and brick farmhouses of similar age on much larger lots. Then there is everything built since Highway 416 opened at the end of the 1990s and turned Kemptville into a genuine Ottawa commuter town, which is a great deal of housing on modern block and poured foundations. A parging enquiry from here can be any one of those three, so we look at the wall rather than the town.

What we plan around on Kemptville parging jobs

Geology is the local wrinkle. North Grenville sits on limestone plain, and in places the rock is close enough to surface that a builder sets the footing high and leaves more foundation wall standing above grade than you would see on a deep clay lot closer to Ottawa. More exposed wall means more coated area to price, and more surface catching sun, rain and wind-driven snow. It also often means coarse rock backfill against the wall, which drains well but gives the coating no cushion where the ground settles.

Where the ground is clay rather than rock, the usual regional pattern applies. Seasonal movement opens fine cracks, water finds them, and the freeze-thaw cycle does the rest. Industry guides for this market put the annual number of freeze-thaw cycles at 50 or more, and the band 12 to 18 inches above grade absorbs almost all of it. That is why so many Kemptville homes from the early 2000s are shedding coating along the bottom while the rest of the wall still looks new.

River lots need their own thinking. The South Branch runs high in spring, and a foundation that stays wet into May is not a good candidate for a hard cement coat. On those walls we will usually recommend flexible acrylic parging, and we will say plainly if downspouts, grading or a sump discharge need attention before any coating goes on, because a new coat over a drainage problem fails in exactly the same band as the old one.

Book a parging inspection in Kemptville

Tell us the address, roughly when the house was built and what you are seeing, and we will book a free on-site or photo estimate with a written quote back within 24 hours. Photos help most when they show the whole elevation, a close view of the failing area, and the point where the wall disappears into the ground.

We would rather tell you to wait than sell you a recoat you do not need. A single loose patch on a sound wall is normally $300 to $600 of work. Broader deterioration on one or two elevations tends to run $600 to $1,500. Extensive repair or a full recoat is $1,500 to $6,000, or $15 to $30 per linear foot, which is about $2,250 to $4,500 on a typical 150 linear foot home. Since parging lasts roughly 10 to 25 years, the honest verdict on a lot of Kemptville houses built around the turn of the century is simply that the original coat has reached its age.