Are you curious to know what is parging? You have come to the right place as I am going to tell you everything about parging in a very simple explanation. Without further discussion let’s begin to know what is parging?
Parging is a common construction technique used to protect and beautify the exterior walls of buildings, especially those made of concrete or masonry. It involves the application of a thin layer of mortar or cement mix to the surface of the wall. In this blog, we will explore what parging is, its purpose, and how it is applied.
What Is Parging?
Parging is the process of applying a thin layer of cement or mortar mix to the surface of a masonry or concrete wall. It is typically used to protect the wall from the elements, such as rain and snow, and to provide an attractive finish. The mix used for parging is typically made up of Portland cement, lime, and sand, and it may also contain additives such as fibers or acrylics to improve its properties.
Purpose Of Parging
The main purpose of parging is to protect the exterior walls of a building from water damage. This is achieved by creating a waterproof barrier on the surface of the wall. Parging can also help to improve the insulation of a building by providing an additional layer between the exterior and interior walls.
In addition to its protective properties, parging can also enhance the appearance of a building. The surface of a parged wall can be smooth or textured, and it can be colored to match the surrounding environment or to create a decorative effect.
How Is Parging Applied?
Parging is typically applied to a wall in two coats. The first coat, also known as the scratch coat, is applied in a thin layer using a trowel. This coat is used to create a rough surface on the wall to which the second coat can adhere. Once the first coat has dried, the second coat, also known as the brown coat, is applied. This coat is applied in a thicker layer and is used to create the final surface of the wall.
After the brown coat has dried, the surface can be finished in a variety of ways. It can be left smooth, textured, or painted to match the surrounding environment. Parging can also be used in combination with other techniques, such as stucco, to create a unique and attractive finish.
Conclusion
Parging is a common construction technique used to protect and enhance the exterior walls of buildings. It involves the application of a thin layer of cement or mortar mix to the surface of a masonry or concrete wall. The purpose of parging is to create a waterproof barrier to protect the wall from water damage and to provide an attractive finish. Parging can be applied in a variety of ways to create a unique and beautiful appearance for a building.
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FAQ
What Is The Purpose Of Parging?
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.
Does Parging Waterproof?
Parging itself isn’t specifically waterproof, but it can be immensely beneficial to the overall waterproofing process. Adding a layer of parging to the outside of your home’s foundation walls will provide an extra barrier for any water-proofing membranes or coatings applied.
Why Does Parging Fall Off?
To properly cure, parging needs a sustained surface temperature of at least 5C for several days. 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.
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.
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