In threecoat stucco, the first and second coats are 3/8-inch thick, and the finish coat is … The big advantage to three coat is its strength and durability. Applied Over: Typically, the scratch coat is applied over lath (paper and wire fastened to wall) but can sometimes be applied to a cement based substrate like cmu block, bricks, etc. Rapid Set 25 lb. Fog Coat may be applied to stucco finish as soon as the finish has dried. A base coat or scratch coast of plaster is applied and successive coats are added until the desired thickness is reached. Then instead of applying a second layer of base coat, I applied a layer of finish stucco for the second coat--hoping to get away with only having to do two total coats. E. Do not apply stucco material when temperatures are 40 Degrees Fahrenheit or below. Home depot has the color paks next to stucco finish base. I'm using premixed stucco for both the base and finish coats. ), If you are involved in stucco contracting work, be sure to choose a tape designed with stucco purposes in mind in order to ensure a clean, high-quality job. The Facts About Stucco & Exterior Coating vs. Visit the post for more. First introduced in the United States in the 1960s [was first used in Europe after WWII to insulate rebuilt older masonry structures]. The finish coat is mixed in approximately the same proportions as the base (scratch and brown coats), but uses white Portland cement plus mineral oxide pigments to add color. Imasco Minerals Inc.This training video provides instruction on how to properly apply Finish Coat for Imasco Minerals Traditional Cement Stucco System. “One-coat vs. Three-coat Stucco vs. EIFS – Which Is Better?” CortezColorado. 9001 Avon, Suite #100 You want the scratch and brown to be fully cured before applying the finish coat to minimize cracking and ensure the greatest possible strength. Quikrete 90 lbs. ONE COAT FRAMED STUD WALL APPLICATIONS Framed Stud Wall Construction: SPEC MIX Fiber Base Coat stucco is designed to be applied in a single pass, or one coat, with a minimum thickness of 3/8 in (9.5 mm) and can be applied up to 1/2 in (13 mm) in one … Base Coat Stucco & Finish Coat Stucco Calculator Enter the area of your wall in square feet excluding window and door openings. 2. Advanced Finish Integrity. Hand Application over portland cement base- Prior to application of Exterior Stucco Finish, the base coat shall be sprayed with clean water to control and equalize water absorption. This allows the cement to become hard enough to gain most of it’s strength before the brown coat is applied. Ingredients: The ingredients are basically the same for the brown coat and a 3 part sand to one part cement ration can also be used. Yet, One Coat Stucco provides all the same benefits expected from three-coat stucco…durability, design flexibility, and fire resistance. Montreal, QC H4X 2G8. Characteristics: The surface is very rough with horizontal lines running through it which are made from a scarifier (aka scratcher) tool. To ensure bond, mix Merlex Acrylex acrylic admixture into the finish coat plaster at a ratio of 1/3 gallon per 90 lb. It's embedded in metal lath, which strengthens and secures the coat. Textures: Merlex Exterior Stucco is designed to achieve a variety of textures, such as sand finish, lace textures, machine dash, and knockdowns. Step 1: Spread the Scratch Coat. The finish coat is mixed in approximately the same proportions as the base (scratch and brown coats), but uses white Portland cement plus mineral oxide pigments to add color. Base Coat Stucco Then there is stucco color coat, that cost $10-15. Paint Base Exterior Stucco Finish shall be applied by hand or machine application to a finished thickness of 1/16 to 1/8 inch. QUIKRETE® Finish Coat Stucco (No. As an alternative (optional), Merlex Superhold EVA bonder may be applied directly to BASEX prior to application of finish plaster. Finish Coat Stucco - White is a finishing plaster that can be mixed with stucco color or mortar color to achieve a textured stucco finish on new construction and remodeling. Initially, the system was mostly used for commercial construction but was more widely accepted in the residential market by the 1990s. Shop QUIKRETE One Coat 80-lb Premixed Finish Coat Stucco Mix in the Stucco Mix department at Lowe's.com. It has excellent freeze-thaw stability, low water absorption, breathable to water vapour and non-combustible. Next, an approximate 1/2″ thick base coat layer of fiber-reinforced Portland cement is applied directly over the lath. Cure Time: The brown coat requires a lot more time to cure (28 days is recommended). Fastwall Stucco Base 80 lb. The downside is that the thinner depth makes it is more susceptible to damage. The scratch coat is applied first and is embedded into the metal lath to provide a strong base for other two coats. one coat stucco that is applied thin and your scratch and brown can be done at the same time. Sanded One Coat Quikrete 80 lb. Stucco work requires tapes that are designed specifically to survive the weight of plaster; adhere to multiple surfaces, not just concrete and wood; and leave no residue when it’s removed 7, 10 or even 60 days later. Exterior Insulation and Finish … The second coat, also known as the “brown coat,” is trowel applied uniformly and flat to provide a smooth surface for the finish coat. The thin ( 1/8 inch) finish coat is where you add color. ACRYLIC STUCCO. sack of stucco. Paint. If this is not adhered to as a best practice, water can get trapped and degrade the entire wall assembly, not only leading to the growth of black mold but deteriorate the structural integrity of the building. I will use a custom recipe that will work for most applications and include how to mix in a bucket, wheel barrow and a mixer, which all require a little different techniques. Stucco provides a durable, low maintenance finish that adds lots of character to a house. Finally, the finish coat (similar to EIFS) is applied in a wide variety of colors and textures over the base coat. | Some content on the site comes from Amazon Services LLC. Finish Coat Stucco is a blended, decorative, water resistant, portland /lime cementbased, finish coat stucco for use as a decorative finish coat stucco for vertical and overhead application. 1 Coat vs 3 Coat Stucco: Understanding the Difference Stucco provides a durable, low maintenance finish that adds lots of character to a house. The calculator will indicate the number of 80 lb bags of QUIKRETE® Base Coat Stucco and Finish Coat Stucco you will need to construct your stucco wall using a traditional 3 coat or 2 coat application process. Cost: Traditional stucco is cheaper than acrylics and costs around $10-$15 for a 80-90 lb. The finish coat is not considered a step because it is needed on every type of application that is used, so they are mainly referring to the stages up until the finish coat. There are a few difference between a stucco scratch coat and a brown coat. EIFS is at its strongest when it is installed over masonry – concrete, stone, or brick. Some stucco contractors use a pump for the base coats but apply the finish coat by hand. Sto Primers can be used for priming prepared concrete, masonry, plaster, Continuous Insulation Systems, base coats or drywall surfaces prior to application of Sto Finishes and Coatings. the finish coat provide a total thickness 3/4 of and inch or more. 2. Trowel Application of Florida MarbleCote Our recommended specifications for the application of Florida Marblecote are as follows: Apply in a scratch coat, a base coat and a finish coat. It is troweled onto the surface evenly to a thickness of 3/8 of an inch to present a level surface for the application of the finish coat. The scratch coat allows the next coat (brown) to be applied over it and the roughness provides a great mechanical bond, on top of the chemical bond that takes place as well. Hope you like it! Colors 1 Coat vs 3 Coat Stucco: Understanding the Difference. It is called the scratch coat because it is often scarified with a small raking tool to create a grooved texture. Standard (16/20) Sand Float finish: Trowel apply an even coat completely covering the For example, one coat stucco is actually a two-step process.… Although the mixes are slightly different for the two approaches, both can produce a high-quality finish. Even though these may contain similar ratios of cement to sand and are applied in the same way, they do have some distinct differences. Parex Applied Over: The brown coat in the stucco process is applied over the scratch coat mostly but can also be applied over cement based substrates as well, like the scratch coat. My name is Ryan and I have been in the construction trades for many years now and I feel that there is a huge "knowledge gap" when it comes to particular trades.... like stucco. Tools Used: The scratch can be applied with a hawk and trowel, or sprayed on. Homeowners desiring a color change or freshening up of their exterior stucco typically have to consider the options of painting the stucco versus color-coating the stucco. Stucco Finish Coat - White is a finishing plaster that can be mixed with stucco color or mortar color to achieve a textured stucco finish on new construction and remodeling. Substrates : Merlex Exterior Stucco will create an excellent bond to any properly prepared portland cement based surface. When I went to Home Depot, I saw a lot of 80lb bags of stucco "base coat" that cost $5-6. It provides a strong moisture barrier, keeping the stonework dry. Diamond Wall Sanded is the base coat for the Diamond Wall One Coat and Three Coat Stucco Systems. The mixture for the scratch coat, which can be done in a wheelbarrow or large bucket, is usually: 1 Part Portland Cement; 1 Part Hydrated Lime; 2 ½ to 4 parts sand. You could, but it would take a lot of color paks to make a difference. Hand Application over portland cement base- Prior to application of Exterior Stucco Finish, the base coat shall be sprayed with clean water to control and equalize water absorption 2. bag. 1 part Portland cement 1 part ​hydrated lime 3 parts ​sand Exterior Stucco Finish shall be applied by hand or machine application to a finished thickness of 1/16 to 1/8 inch. One-coat stucco is a newer application that is similar to traditional stucco. bag. Prep Coat is a flexible and durable base coat that can also be used as a leveling coat for stucco, concrete and masonry substrates. Consider these related posts for more stucco information: If you are involved in stucco contracting work, be sure to choose a tape designed with stucco purposes in mind in order to ensure a clean, high-quality job. Answers. For example, one coat stucco is actually a two-step process. Requires only the addition of water. Finish Coat Stucco is a blended, decorative, water resistant, portland /lime cementbased, finish coat stucco for use as a decorative finish coat stucco for vertical and overhead application. The basic formula for a stucco finish coat mix will be very similar to that of a base coat recipe but more water will be added in order to thin out the material, seeing as how it is usually applied at a thickness of ​around 1/8". ECHOtape USA Base 100 is white cement for lighter colors and base 200 is grey for darker tones. I applied the base coat first and scratched it. Base Coat: Scratch & Brown Stucco is a gray, blended, water resistant, portland/lime cement-based, material used for scratch and brown coat stucco work. House wrap is primarily an air barrier with water-resistive qualities. Three-coat stucco is a longstanding, nonproprietary cladding system that has a scratch coat, then base, then finish coat, resulting in a 7/8-inch- to 1-inch-thick cladding. When installed correctly by a certified EIFS technician, EIFS siding has multiple benefits over traditional stucco. Since it is twice as thick as one coat it’s better able to hold up to wear and tear. ), and color coated in one day. Additionally, tape is used to create a watertight seal to protect surfaces not meant to get wet, as explained in the common problems section. It can be applied with either one coat or three coat process, but there is some confusion about the methods. This acts as an ideal base for the finish coat, which is integrally colored (in most cases) and is what you see on stucco, so the base needs to be uniform. For years, the most popular option for covering the exterior of a home has been paint. Pre-mixed or base and color system. Do not add more than 10 pounds of pigment per bag of cement. Characteristics: The brown coat surface is much smoother than the scratch coat and is gritty to the touch but flatter and looks more appealing than the scratch. I let a subcontract to install stucco on a new home in southwest New Mexico. A. Florida Marblecote can be applied over a scratch and base coat of portland cement and lime or portland cement and masonry cement. I hope you find the information here useful. These coats come in a range of colors so no additional painting is needed. 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