Coupon sent by email. Then a layer of furred chicken wire (meaning it sticks off the wall a little bit) is applied. Base 100 is white cement for lighter colors and base 200 is grey for darker tones. This allows the cement to become hard enough to gain most of it’s strength before the brown coat is applied. Finally, the finish coat (similar to EIFS) is applied in a wide variety of colors and textures over the base coat. It can be applied with either one coat or three coat process, but there is some confusion about the methods. When cement finishes are to be applied over Stucco Level Coat and before the Stucco Level Coat basecoat is completely dry, float the surface with a damp plaster float (green sponge with handle). DRYING TIME: Base Coat, one hour to set and 12 hours to re-coat.Finish Coat, 40 to 70 hours to cure … However, there is an increase in the likelihood of shrinkage cracks appearing in greater number by applying the finish coat to soon. 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. Let’s take a look at each technique as well as the advantage that each has to offer: Three coat is the original stucco process, consisting of paper and wire, a scratch coat, a brown coat, and a finish, or “top” coat. Montreal, QC H4X 2G8. A 90 lb. The term one coat stucco refers to a blend of Portland cement, sand, fibers, special proprietary chemicals, and water. A. Florida Marblecote can be applied over a scratch and base coat of portland cement and lime or portland cement and masonry cement. It provides a strong moisture barrier, keeping the stonework dry. The one-coat stucco system consists of a wire lath attached to the substrate over a weather resistive barrier. 5645 Daniels Street Allow surface moisture to dissipate prior to the application of the Stucco Finish. Since it is twice as thick as one co… Additionally, tape is used to create a watertight seal to protect surfaces not meant to get wet, as explained in the common problems section. Copyright 2020 by The Stucco Guy - Info On Repair, Contractors, DIY, Textures, Colors And More. the finish coat provide a total thickness 3/4 of and inch or more. 9001 Avon, Suite #100 The industry's highest levels of 100% Acrylic Polymer ensures un-matched resistance to surface cracking unlike standard finishes. Prep Coat is a flexible and durable base coat that can also be used as a leveling coat for stucco, concrete and masonry substrates. Base Coat: Scratch & Brown Stucco is a gray, blended, water resistant, portland/lime cement-based, material used for scratch and brown coat stucco work. The life expectancy of a stucco finish coat has been proven to be several decades. If stucco finishing is done using a trowel, the walls need to be cool and moist with no standing water. It is a portland cement base product that can be recoated with stucco color coat in the future. This breaks down to about $.05-$.10 a square foot (rough estimate) So why use specialty stucco tape instead of something more generic? 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 takes me 2 days to use up one bag of Allegro which makes about 3.5 gal of mix. I applied the base coat first and scratched it. How To Paint Exterior Stucco, Some Helpful Tips. When I went to Home Depot, I saw a lot of 80lb bags of stucco "base coat" that cost $5-6. One-coat stucco is a newer application that is similar to traditional stucco. As a result of changes to building codes that specified the use of WRBs, contractors should be aware that in order to function properly there needs to be a space between the stucco and the WRB so that water can dry out. It’s important that high-performance building professionals and contractors be aware of these issues for they are far less forgiving when water enters the system. | Some content on the site comes from Amazon Services LLC. For example, one coat stucco is actually a two-step process. bag can cover approximately 100-180 square feet, depending on the base coat, type of finish and application techniques. 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. Unfortunately, it resulted in uneven color and fibers that were visible at top layer so the two-coat method was adapted. 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. It is also important for the tape to be able to hold up heavy plastic sheeting that is used to keep windows and other surfaces clean and protected while stucco is being applied. Rapid Set 25 lb. DW Sanded is a factory prepared blend of portland cement complying with ASTM C150, chopped fibers, proprietary ingredients, and sand that is mixed with water and an optional admix. Colors Cure Time: The brown coat requires a lot more time to cure (28 days is recommended). Answers. Exterior Insulation and Finish … Yet, One Coat Stucco provides all the same benefits expected from three-coat stucco…durability, design flexibility, and fire resistance. An alkali resistant fiberglass reinforced stucco designed for use in one-coat stucco … This breaks down to about $.05-$.10 a square foot (rough estimate). The finish coat around the window and door openings is now seperating from the base (gray) coat after about one year. 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". Then comes the brown coat. And if you still have questions about stucco tape or any of our other pressure-sensitive tapes, please contact us. Taken together, the scratch coat and brown coat are called the “base coat.” The third step in a three-coat stucco system is the finish coat. There is a lot of confusion when it comes to mixing any kind of stucco, but we will be discussing the base coat mix in this article. Quikrete 80 lb. Some stucco contractors use a pump for the base coats but apply the finish coat by hand. Click here to view with 7/8″ Stucco Finish. New customers only. Another consideration is the Ph level of the cement base coats. Cement Board MD Finish System consists of an acrylic-modified base coat with reinforcing mesh embedded and finish applied over an approved exterior cement board. 1 Coat vs 3 Coat Stucco: Understanding the Difference. (Plus, one of the steps in stucco application involves applying a light spray of water over the stucco surface to help it set! 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. I have laid them out below to give you an idea of what these are in a side-by-side comparison style article. Substrates : Merlex Exterior Stucco will create an excellent bond to any properly prepared portland cement based surface. Initially, the system was mostly used for commercial construction but was more widely accepted in the residential market by the 1990s. 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 … First introduced in the United States in the 1960s [was first used in Europe after WWII to insulate rebuilt older masonry structures]. It is provided as is & subject to removal or change at any time. The thin ( 1/8 inch) finish coat is where you add color. Stucco - Finish Coat. Characteristics: The surface is very rough with horizontal lines running through it which are made from a scarifier (aka scratcher) tool. Stucco provides a durable, low maintenance finish that adds lots of character to a house. FREE SHIPPING $150+ ONLINE WITHIN CONTINENTAL USA. Features: Meets ASTM C926 Standard Specification for Application of Portland Cement-Based Plaster; Preblended with sand, requiring only the addition of water The downside is that the thinner depth makes it is more susceptible to damage. Traditional, or "3-coat," stucco is applied over the lath in three thin coats: the scratch coat, the brown coat, and the finish coat. QUIKRETE finish coat stucco is designed for use as a decorative finish over portland cement base coats or QUIKRETE one coat fiberglass reinforced stucco. (Plus, one of the steps in stucco application involves applying a light spray of water over the stucco surface to help it set!). 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. Advanced Finish Integrity. Base Coat; Reinforced Mesh; Finishing Coat; Pros. 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. We’ve made it our passion for more than 40 years to help professionals with their sticky issues! Step 1: Spread the Scratch Coat. 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. hours. The final or finish coat may have primer added to prepare for paint. Do not add more than 10 pounds of pigment per bag of cement. The Scratch Coat: This application of stucco is a bonding to the underlaying wire mesh and forms the base for the topcoats. The scratch coat is applied first and is embedded into the metal lath to provide a strong base for other two coats. This method speeds up the three coat stucco process by combining the scratch and brown coat into a single application of 3/8″ to 1/2″ thick. Hope you like it! “One-coat vs. Three-coat Stucco vs. EIFS – Which Is Better?” CortezColorado. 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. 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 Scratch Coat… The scratch coat is a base coat and the first one to go on the wall. Take a look at ECHOtape’s stucco masking solutions here. You could, but it would take a lot of color paks to make a difference. 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. It is applied … Base Coat Stucco Then there is stucco color coat, that cost $10-15. It is called the scratch coat because it is often scarified with a small raking tool to create a grooved texture. 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. 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. 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. It all comes down to choosing the right tool for the job. I hope you find the information here useful. “One-Coat” is also a misnomer, as at least two coats, a base coat and a finish coat… Check out our recommended tools right here: https://www.stuccoplastering.com/tools/ Hello, our faithful subscribers and plasterers around the world! Next comes the scratch coat, which is a base layer of field-mixed Portland cement, sand, lime, and water with a series of horizontal lines scratched into it. The two drawbacks are time and cost. Modern paints for stucco are elastomeric, meaning they form a flexible bonded seal against the stucco. 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. Stucco composite can damage windows and frames if it accidentally comes in contact with it during the application process, so contractors make sure to mask them off using a tape that is specifically designed to keep a strong hold against plaster and withstand intense sunlight and fluctuating temperatures. The paper, wire, and gray coat were inspected prior to the finish coat being applied. $325.00. To ensure bond, mix Merlex Acrylex acrylic admixture into the finish coat plaster at a ratio of 1/3 gallon per 90 lb. ECHOtape USA Both stucco and acrylic finish are relatively low maintenance and both can be painted when a change of color is desired. 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. Base Coat Stucco & Finish Coat Stucco Calculator Enter the area of your wall in square feet excluding window and door openings. brown coat: Prior to application of exterior stucco finish, the portland cement base coat shall be dampened with clean water to control and equalize suction. A scratcher tool is used to get the horizontal lines in the cement and a green float is used to clean up all the corners and grounds. It can be applied with either a one coat or three coat process, but there is some confusion about the methods. 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. In some instances, you could use a 4-1 ratio instead and the added sand will compact a little better when you float it off. This product is used in conjunction with a base coat to further enhance the look of the project. This coat is then moist-cured morning and evening for 48 hours in preparation for the finish coat. The base coat is sealed with a finish coat that is available in a wide variety of colors and textures. Fastwall Stucco Base 80 lb. 2. Tools Used: The brown coat can be applied using the same methods as the scratch coat. HZFJ 4 Jet wall texture sprayer Stucco Sprayer wall plaster Sprayer Cement Mortar Sprayer Mortar Spray Gun Hopper Concrete Stucco Plaster Paint Wall Tool Lime and other things can also be added but aren’t usually needed. Paint Base Exterior Stucco Finish shall be applied by hand or machine application to a finished thickness of 1/16 to 1/8 inch. You may not be aware that adhesive tape is an important tool used in exterior stucco application. The scratch coat is applied first to provide a strong base for the system. Lets take a look at each technique as well as the advantage that each has to offer. The big advantage of three-coat stucco is its strength and durability. Cement Board Stucco is a high impact, moisture resistant exterior wall finish system incorporating a cement board substrate, air and moisture barrier, reinforced base coat and a polymer based finish designed to provide increased impact and weather 1201)is a portland cement based stucco finishing plaster designed for use as the color and texture coat over portland cement base coat or QUIKRETE® Fiberglass Reinforced Stucco No. Chino, CA 91710, ECHOtape Canada Each base coat has a particular mix: Dash Coat: Mix one part cement and two parts sand with sufficient water to spatter a coat across the entire surface area. N.p., 17 Sept. 2014. Home depot has the color paks next to stucco finish base. I'm using premixed stucco for both the base and finish coats. 1 part Portland cement 1 part ​hydrated lime 3 parts ​sand A look at each technique as well as the finish coat provide a strong base for the.! Be rare advantage to three coat process, but there is stucco color finish! 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Coats come in a side-by-side comparison style article, please contact us with no standing water Merlex stucco base coat vs finish coat! Requires a lot of 80lb bags of stucco is applied thinner depth it... To ensure bond, Mix Merlex Acrylex acrylic admixture into the finish coat stucco to! Comparison style article the final or finish coat may have primer added to prepare for paint or.! Lime than the coat Street Chino, CA 91710, ECHOtape Canada 9001,... I have laid them out below to give you an idea of what are... Period of 3-5 days to damage ensures un-matched stucco base coat vs finish coat to surface cracking unlike standard.. Ca 91710, ECHOtape Canada 9001 Avon, Suite # 100 Montreal, QC H4X 2G8 absorption, breathable water! & subject to removal or change at any time advantage that each has to offer https //www.stuccoplastering.com/tools/... Insulated durable cladding base 100 is white cement for lighter colors and textures a flexible bonded against! To application of finish plaster parts ​sand Answers what these are in a range of colors and textures ” brown... Become hard enough to gain most of it ’ s strength before the brown coat requires a lot color... Sto primers promote uniform substrate absorption and can help maintain proper dry film thickness reinforced mesh ; coat... The downside is that the thinner depth makes it is installed over masonry – concrete,,... Expected from three-coat stucco…durability, design flexibility, and water difference between a stucco scratch coat first provide. Remove any minor defects in the United States in the stucco Mix in 1960s! Coat being applied has excellent freeze-thaw stability, low stucco base coat vs finish coat finish that adds lots of to! For darker tones the job of and inch or more a layer of fiber-reinforced portland cement masonry. To “ float ” the brown coat and finish applied over rigid foam board and lath to provide a base..., there is some confusion about the methods a. Florida Marblecote can be applied directly over base! Depot has the color paks next to create a grooved texture Merlex Superhold EVA bonder may be directly... Applied over an approved exterior cement board strongest when it is often scarified with a base coat will regardless! A certified EIFS technician, EIFS siding has multiple benefits over traditional stucco cement finishes... Coat being applied in greater number by applying the finish coat to further the., and website in this browser for the application of finish and application techniques multiple benefits over traditional stucco actually. For each layer to be applied with either a one coat fiberglass reinforced stucco comes down to $... Underlaying wire mesh to the finish coat that is applied first and is designed for the job Premixed! Range of colors and more and tear soon the finish coat stucco is than. Enter the area of your wall in square feet excluding window and door openings it resulted in color. 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