![]() The first layer is the “scratch” coat, the second is the “brown” coat, and the final and top layer is the “finish” coat. The installation process for stucco involves three layers over metal lath. This is because it is a labor-intensive job. Installation and Repair: Is It Labor Intensive?Įxperts should handle the installation process for both stucco and plaster. However, this lime-based plaster was more challenging to mix as you would have to wait for the lime to settle before you mixed it with the sand. So, the main ingredients in plaster are gypsum, cement, and sand.īut, before the 1900s, lime plaster was very popular since gypsum plasters were more expensive. Plaster is similar to stucco in its composition, with the only difference that it is gypsum-based. People started using Portland cement because it created a harder and more durable mix. This current mix is also known as cement stucco. However, modern stucco uses Portland cement, lime, and water. Composition: What Are They Made Of?įirst, we must discuss what stucco and plaster are made of.īack in the day, people made stucco from lime, sand, and water. Now, let’s learn about each characteristic in more detail. Plaster can be applied indoors and outdoors, so it is more versatile. Their installation and repair processes are labor-intensive. Stucco uses Portland cement, while plaster uses gypsum. Regarding stucco vs plaster, we’ll consider some factors. But, for this, you’ll have to learn about each one in detail. Both stucco and plaster will offer different benefits for your specific needs. For that reason, many people tend to mix them up.īut, each material has its strengths and weaknesses. They even look somewhat alike in specific applications. Some types of these materials are even fire-resistant. Stucco vs Plaster: How Do They Differ?īesides being very durable, both stucco and plaster are also long-lasting. So, don’t wait any longer and learn more about stucco and plaster. After you’re done reading, you’ll be able to make a decision on which to use for your home’s exterior. If you want to know the differences between these materials in more detail, then you will not want to miss this blog. But, there are some characteristics in which they differ. Both materials are very durable and provide several advantages. Now, it’s time to compare it with plaster. While both offer unique benefits, stucco won the competition. ![]() In a previous blog, we compared stucco to vinyl siding. On this occasion, we will focus on stucco vs plaster. So, it may be overwhelming trying to choose one. Each one offers unique benefits to your home. There are various building materials used for siding in residential construction. Roll on one to two coats, as necessary, and follow the manufacturer’s guidance with regard to drying time between coats.Stucco vs Plaster: Know the Main Differences Between These Building Materials Apply paint as you did primer, with a synthetic brush for cutting in, and a large napped roller for rolling the walls. If a gallon of paint says it gives you 400 square feet of coverage, assume you’ll cover 200 square feet of stucco. Step 5ĭue to its texture, a stucco finish has a much greater overall surface area than a flat wall, so you’ll need more paint than you think to achieve adequate coverage. Follow the manufacturer’s guidance on drying times between coats. It is better to apply two thinner coats than one thick coat, to avoid paint pooling in crevices and causing drips. You’ll probably need more than one coat for complete coverage. A large napped roller makes for easier application into all the nooks and crannies. Acrylic primers and paints are preferred because their binders mean better adherence to the uneven stucco finish. Prime with a high quality acrylic primer, using a synthetic brush to cut in, and a large napped roller to roll it on. You may need to wait for up to 10 days before you can paint. Pay attention to the manufacturer’s suggested curing time on your patching compound. Remove the loose stucco with a putty knife, and repair with stucco patching compound. ![]() Cracks larger than 1/16-inch-wide will require a patch. Step 3įix any small cracks with masonry caulk. Be sure to rinse thoroughly, and allow to dry completely for 24 hours before you begin to caulk and repair. Deeply grooved exteriors can be power washed, if necessary, to get dirt out of the crevices. If your walls have grease or grime or mildew build-up, apply an appropriate cleaner, following manufacturer’s directions. Interior walls may be more easily vacuumed using a dusting attachment. For most exterior stucco, this simply requires a thorough going over with a stiff brush or push broom.
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