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Aug 2, 2022 · Plaster of Paris, more commonly known as POP and wall putty are both kinds of plaster that can be used to seal cracks in walls and patch holes in drywall or brick. They’re similar in many ways, but plaster of Paris does have some distinct advantages over wall putty in certain situations.
- Overview
- Preparing the Wall, the Area, and Yourself
- Mixing the Putty and Patching Imperfections
- Applying a First Coat to the Whole Wall
- Adding a Second Coat and Finishing the Wall
While there are many products, including
, that can be used to patch or smooth out different types of walls, wall putty is particularly useful on plaster or concrete walls. Wall putty can fill in small cracks and holes, and adding a couple thin layers over the wall will improve its appearance and help paint adhere better. Just make sure you prepare the wall and mix the putty properly, apply it in thin coats, and let it dry thoroughly before proceeding.
Put on gloves, eye protection, and a breathing mask.
While you’re cleaning and preparing the wall, you’ll create dust particles that can irritate your eyes and lungs. To be safe, keep your mask and eyewear on when applying the putty as well. Additionally, the mixed wall putty may be a skin irritant, so it’s best to wear gloves when applying it.
Keep your protection on while you apply primer or paint as well, as even modern products can still release irritating fumes.
Tape over or cover elements you want to protect.
Use painter’s tape to mask over any items you can’t move but don’t want to cover in putty, such as door or window trim. If there is a finished floor below the wall, cover it with plastic sheeting or drop cloths.
Taking a little time now to cover things up is much better than trying to remove wayward putty later.
Add water, then the putty powder, to a bucket in a 2:1 ratio.
Read the mixing instructions on your putty package to get the appropriate ratio for your product. Put the water in your bucket first, then add the correct amount of dry putty mix.
Only mix an amount of putty that you can use within 2 hours, because it will become too hard to work with after that. If you’re not sure, err on the side of mixing less now and making an additional batch later.
Help keep the putty moist while working by draping a damp towel over the top of the bucket.
Dry-mix putty is cement-based and great for indoor or outdoor applications on plaster and concrete walls. Pre-mixed wall putty is acrylic-based and recommended only for interior use, particularly for repairs on painted walls.
Stir it until it is thoroughly mixed and smooth.
Scoop up some putty with a small trowel and add it to a large trowel.
Wall putty is usually applied with two flat-bladed trowels—essentially, larger putty knives—with one in each hand. The smaller trowel should have a blade that’s around 6–8 in (15–20 cm) wide, the larger one about 12–14 in (30–36 cm) wide. Use the small trowel to add a glob of putty to the large trowel.
Spread out the glob of putty along the blade of the large trowel so that it reaches nearly from end to end.
Press the trowel blade to the wall at an angle and scrape it straight up.
With the putty loaded onto the large trowel, touch its blade to the bottom of the wall at about a 30 degree angle. Maintain this angle and scrape the blade straight up the wall while maintaining contact with it. Leave behind an even coat of putty that’s about 0.125 in (0.32 cm) thick.
Go from the bottom to the top of the wall in one motion. If you can’t reach all the way up, go as high as you comfortably can and use a ladder to do the higher part of the wall later.
Apply the second coat either horizontally or vertically.
There are differing opinions on the best way to add the second coat of putty. Some people prefer to apply it vertically again, just like the first time. Others apply it horizontally, in the belief that it results in a smoother overall surface and less sanding work afterward. In either case, you’ll mix the putty, load it onto the trowels, and add it to the wall in the same thickness as the first coat.
Horizontal application is really no different than vertical application, technique-wise. Keep the trowel blade at about a 30 degree angle and maintain contact straight across the wall.
The second coat, like the first, should be no more than roughly 0.125 in (0.32 cm) thick.
Sand and wipe down the putty after it dries for 16-24 hours.
Once the second coat is fully applied and has dried thoroughly, go over the entire wall with fine sandpaper (300-400 grit). When you’re finished, wipe off any remaining dust with a damp cloth or sponge.
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Because of its unique ability to even out wall surfaces, you can use wall putty on almost any painting project. It is especially effective on walls which are damaged or cracked or have small holes. There are two types of wall putty: Acrylic wall putty – This putty comes in the form of a paste, which means you can apply it directly to your walls.
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Apr 25, 2024 · What is Wall Putty? Types of Wall Putty. Cement Wall Putty. Acrylic Wall Putty. Gypsum Wall Putty. White Cement Wall Putty. Advantages of Using Wall Putty. 1. Easy to Use. 2. Make a Base for New Paint. 3. Fixing Holes and Cracks. 4. Better Insulation. 5. Water-Resistant. How To Apply Wall Putty on Your Walls? 1. Get the Surface Ready. 2.
Tips/ Do's & Don'ts. J.B industries. 365 subscribers. Subscribed. 37. 2.4K views 2 years ago. In this video, you will find about the Major Differences between Plaster of Paris & Wall Putty....
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Aug 24, 2020 · Plaster of Paris (POP) Wall Care Putty: What it is? Made out of Gypsum, heated high temperatures, and then crushed to form the white powdery substance. Made out of White Cement and Polymers. Best to be Applied on: On the Interior Walls . On the Interior & Exterior Walls: Binding Property: Has a very low binding property
Dec 21, 2023 · Plaster of Paris, commonly known as POP, is a white powder made from gypsum. It’s known for its quick setting properties and is widely used for creating decorative interior elements like cornices, moulding, and artistic shapes. What is Wall Putty? Wall putty, on the other hand, is a material used to fill imperfections or small holes in walls.
