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There are circles aggressive affect the foundations
Parging is the coating applied to the visible (above-grade) portion of your home’s foundation walls. It is applied to both poured-concrete and concrete-block foundations to hide surface imperfections, marks from formwork and the like, so its role is essentially decorative. A parge coat is not a requirement under the Building Code, but it does have another useful purpose: it acts as a barrier against inclement weather. That’s no small benefit to Quebec homeowners!
It’s a different story for foundation walls with exterior insulation. In this case, application of parging over an armature or other rigid finish material is a must, to protect the insulation from impacts as well as sunlight.
