The synthetic stucco material is made from acrylic and polymer coatings, which makes it more flexible and resistant to extreme weather conditions. Synthetic stucco, also known as Exterior Insulation and Finish Systems (EIFS), uses a base layer of cement board or foam insulation and is covered with a layer of synthetic stucco material. The three-coat system provides a strong, durable, weather resistant finish. The traditional stucco system is often referred to as “three-coat” because it requires three separate layers. It is then left to dry, and is applied in multiple layers until the desired finish is achieved. The mixture is mixed with water, and then spread over a mesh base. Traditional stucco is made from a combination of cement, sand, and lime. There are two types of stucco: traditional stucco and synthetic stucco. It is a durable material that is often used in Mediterranean and Spanish-style architecture. Stucco is a type of plaster that is used to coat the exterior walls of a building. Once the finish is complete, it is important to let the stucco dry thoroughly before painting or sealing it. The top coat can also be given color, either through the mix itself, or by applying a color hardener to the surface after it is troweled. It is then floated, or troweled with a special finish trowel, to give it its distinctive texture and finish. This is often troweled on with a trowel and is made of Portland cement, sand and lime. The top coat is the final, decorative coat. This gives the stucco a key, or textured surface, to adhere the top coat to. This coat will be troweled onto the surface and then scored with a scoring tool. The first coat is called the scratch coat. The finish for stucco is typically a two-coat system. Finally, you will need to apply a sealer to the surface to help protect it from the elements.įollowing these steps will help you achieve an attractive, long-lasting sand finish on your stucco. Once the sand is applied, you will need to go over the surface with a brush to help the sand bond and to create the desired texture. Ensure that you are using the same type of sand that was used on the first layer of stucco. You can do this either by hand or by using a sand blaster. Make sure that you are pressing down firmly and following the pattern you have created.Īfter this, you will need to add a layer of sand. Next, you will need to use a steel float to brush the surface of the stucco. First, you will need to mix the stucco and apply it with a trowel. Making a sand finish on stucco requires several steps.
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