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.
Can you use cement for parging?
Parge concrete blocks or poured concrete! Use SAKRETE Parging Mix, a cement mixture designed to create superior bonding, or to smooth concrete walls.
Is parging the same as cement?
The process of parging generally refers to the application of a cement coating, which is applied over a wall surface, such as over a foundation, or exterior wall. Most common is the process of parging over a masonry foundation wall or a masonry chimney.
Why does parging fall off?
A sudden drop in temperature is bad news for a freshly applied coat of parging. Water soaks into the parging, then expands as it freezes, cracking the surface and breaking off chunks. If the ambient temperature is too cold -the Parging freezes.
What can I use for a parge coat?
For a quality parging mix its best to use a mix of about about 3 parts sand to at least 1 part portland cement. You can add 1/4 to 1/2 part lime powder to make it a little easier to spread or apply. This is mixed with enough water to get a nice consistency, not too runny.
Can quikrete be used for parging?
QUIKRETE® Water Resistant Parging Mix (115525) is a Masonry coating and patching of concrete walls for cosmetic. Used For: Concrete block.
Can you use portland cement for parging?
A typical cement parging mixture should be the consistency of peanut butter when being applied. The mixture should never be too runny. Essentially two parts of brick sand mixed with one part Portland cement is the correct ratio.
Should you paint parging?
Why Not Paint Concrete? Applying parging to foundation walls helps to provide a first layer of defense against the exterior elements. Yes, parging will break down over time because concrete does not have an unlimited lifespan, but a properly applied parge coat will last for a very long time.
Is parging waterproof?
While parging is not waterproofing, and shouldn’t be thought of as a good enough barrier in and of itself, it can be an important player on your home’s waterproofing team. Parge coats, properly applied, can act as a barrier against rain and snow for the foundation walls that rise above the soil.
How thick should parging be?
When you apply it to the area it shouldn’t be more than ⅜ of an inch thick. You can smooth it out or give it a bit of texture using a plasterer’s rake or broom. If you’re happy with it, you’re done. Or you can wait 24 hours and add another layer of parging.
Is parging the same as stucco?
Parging is a construction technique used to finish the surface of a masonry wall. It is similar to stucco, but uses a masonry-based mortar rather than a traditional stucco mixture. This material can be installed over new or existing walls, and it is used in both residential and commercial applications.
Is parging the same as rendering?
Plastering and rendering are both the process of covering walls. The main difference in the two practices is that plastering refers to coating the interior walls, whilst rendering is the coating of exterior walls. The major distinction between plastering and rendering is the strength of the materials used in each.
What does parge coat mean in construction?
A parge coat is a thin coat of a cementitious or polymeric mortar applied to concrete or masonry for refinement of the surface.
Is parging difficult?
Cement parging is pretty easy to work with and may be available in a variety of colors. If you want a durable finish, a little higher end, then try acrylic coating. This mix of cement and liquid acrylic is also available in a wide variety of colors.
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