Then, apply the paste to the hole or crack using a putty knife or trowel. If you need to repair a hole or crack in your wall, then Plaster of Paris is the ideal material.Īll you need to do is mix the Plaster of Paris with water to form a paste. Let’s take a look at different ways you can use Plaster of Paris on walls differently… 1- Repair Work While the joint compound is preferred for patching walls, people also love using POP on walls due to its versatility. So, what’s the difference between Plaster of Paris and a joint compound? Let’s take a look…įor What to Use Plaster of Paris on Walls? Once it dries, the joint compound can also be used to sand, paint, or texture the surface. It can be used to fill gaps, cracks, and holes in the drywall. It is also available in a variety of colors to match the color of the drywall.Ī joint compound is typically used for completing drywall projects. A premixed joint compound is convenient because it does not require mixing with water. Joint compound is available in powder or premixed form. Once it dries, the joint compound forms a hard, durable surface that can be sanded, painted, or textured. The paste is then applied to the drywall joint with a putty knife or trowel and allowed to dry. The base material is combined with water to form a paste. It is composed of a base material, usually Portland cement, limestone, and gypsum. What is Joint Compound?Īlso known as mud, gypsum board compound, or simply joint cement, a joint compound is a construction material used to finish interior drywall joints and corners. Plaster of Paris is also used in dentistry and medicine for making dental impressions and casts for broken bones. POP is also used for making artworks, sculptures, castings, false ceilings, Chef hats, and casts for broken bones. You can also use it to repair or patch the walls before painting. It is currently used as a base material in the production of construction materials like mortar, tiles, and bricks. When mixed with water, it forms a paste that dries to form a hard and strong material. The main component of the Plaster of Paris is calcium sulfate dehydrate. It has been used extensively in the construction industry since then because of its versatility and low cost. The Plaster of Paris was first made and used in construction about 9000 years ago by ancient Egyptian, Greek, and Roman civilizations. Since the product was extensively mined from Montmartre in the Paris district, hence its name. The resultant product is a non-toxic, fireproof material because of its low thermal conductivity. To make POP, gypsum is heated at around 150 degrees centigrade. Plaster of Paris (POP) is a white powdery substance obtained by calcining gypsum. Do You Need to Apply Primer On Plaster of Paris Before Painting?.Step 5 – Paint Over with Latex Water-Based Paints. Step 4 – Let the Plaster Dry and Then Sand It.Step 3 – Moisten the Area and Apply POP.
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