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Masonry joints are created with wet mortar to fasten brick or concrete materials in building construction. Tuck pointing is the process of replacing old grout. There are four types of masonry joints: concave, V-shaped, weathered, and flush. Masonry joints must be applied correctly to prevent erosion and damage to the property.
Masonry joints are used in building construction to fasten brick or concrete materials into the building structure. Mortar is a paste used to create joints in masonry. This material is usually created from a mixture of sand, cement, water and lime. The mortar is applied wet and hardens as it dries.
In new construction, masonry joints are created by applying mortar to the ends of each brick. The brick is then pushed against the previous unit, forming a butt joint. This type of joint meets two needs: it improves impermeability and increases the overall safety of the structure. To provide ideal weather resistance, masonry joints must be completely filled.
Tuck pointing is the process of removing the old grout, cleaning the joints, and replacing the grout. To be effective, the new grout must be tightly packed into the space, creating the same type of weather resistance and structural support as the original joints.
There are four types of masonry joints: concave, V-shaped, weathered, and flush. All four must be applied using wet mortar, suitably prepared. Grout that is too wet or too dry will not seal properly and will result in an unsatisfactory product. The concave joint is considered the most durable of all masonry joints. A curved steel jointing tool is used to push the grout into the joint, increasing the quality of the seal.
The AV joint is made by applying the mortar with carpenter’s tools which make it more resistant to water absorption. Weathered mortar joints have a downward and outward slope from the underlying brick. This adds to the visual appeal of the wall. Flush joints are used in areas with a mild climate and create a smooth surface.
Masonry joints are applied by stonemasons or masons. This is a specialized trade found in the construction and remodeling industry. The training required to become a bricklayer typically lasts one to two years and is usually completed through an apprenticeship program. This is a highly sought after skill, with excellent pay and employment opportunities available.
If a joint is not applied correctly, there are several risks to the property. Joints made with mortar that is too thin will crumble over time. This allows insects and small animals to easily remove the grout, which will also erode over time due to the weather. Homeowners should inspect the masonry joints in their home at least annually and repair the joints where necessary.
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