A home is a place where the family members are connected emotionally. It's a comfort zone to build your memories as well as your future. So, it's great for everyone to have their dream home, which is essential for the betterment and safety of living. The first line of defense of your home is the exterior walls. It is constructed using cement, which expands and contracts and causes cracks. Plastering the exterior walls is the best solution as it protects the interiors and occupants from lousy weather, leakages, dampness, fungus growth, etc.,
Plastering is one of the most ancient methods used to increase the wall's durability by protecting it from harsh weather conditions, moisture, and pollution. The requirements that need to be fulfilled while doing external plastering of walls are,
External plastering refers to the plastering of exterior walls covering uneven surfaces with a plastic material called plaster. The most common types of application are gypsum, lime, or cement mixed with water and sand. The recommended wall plastering thickness ranges from 15 mm to 25 mm. It may be 15 mm, 18 mm, 20 mm, and 25 mm. The 15 mm thickness is a single coat, whereas the 18 mm, 20 mm, and 25 mm is a double coat. The five main types of plastering on walls and their ingredients are explained.
Special plaster: The special applications are made with unique mixes that are required for decorating the surface of walls or for particular purposes like waterproofing, restricting shrinkage, etc.,
Waterproof plaster: The waterproof application's purpose is to protect the Masonry walls from moisture and dampness. This plaster is made of cement and sand mix in the ratio of 1:2. Pulverized alum and soft soap are added, which reacts chemically and seals the pores on the walls.
Lime plaster: The lime plaster is made by mixing equal volumes of lime and sand. In this Lime plastering method, the boiled solution of bael fruit, jugal, and roped hemp is added to the mortar to prevent the appearance of cracks on the surface.
Stucco plaster: This type of plastering is used for the decorative feature, the cement and sand mix. The application has three coatings with a thickness of 25 mm. The first scratch coat is 10 mm thick, the second brown coat is also 10 mm thick, and the finishing white coat is 4-6 mm thick. The mix ratio for the first and second coating is 1 : 3 cement and sand with 10% hydrated lime. The mix ratio for the finishing coat is 1: 2 cement sand mortar.
Composite plaster: The hybrid application is made by mixing the cement, lime, pozzolana or surki, and sand in different ratios. Also, the thickness and the number of coatings vary depending on the application area.
Working with the plaster is a highly technical process that the professionals or plasterers can neatly do. The dressing is manufactured as a dry powder, made into a workable paste by mixing with water before application.
Note that the wall should be arid before applying paint, wallpaper, or any other decorative features.