Stucco is applied with a trowel. Avoid over mixing as this may affect the integrity of the finished product. Water resistant with a breathable finish Base coat: scratch and brown stucco is a gray, blended, water resistant, Laporte/lime cement-based, material used for scratch and brown coat stucco work. The scratch coat consists of a layer of plaster that is grooved while wet. Rapid Set Stucco Mix is a pre-mixed stucco Rapid Set Stucco Mix is a pre-mixed stucco material blended with Rapid Set Cement, high quality plaster sand, and high performance additives. The final wall system will produce a nonload-bearing, aesthetically pleasing exterior veneer or interior finish on concrete or … stucco tools. Each SPEC MIX® manufacturer certifies that SPEC MIX® stucco products are designed to meet the project specifications and applicable ASTM standards. Care must be exercised when moist curing to avoid erosion damage to plaster surfaces. Plaster or stucco walls use of one or more layers of scratch coat. EXCELLENT WORKABILITY. In my experience (all stucco base coats crack) some companies say theirs won’t when applied properly, I say BULL, as the added weight alone can create new settling, which in turns creates typical and normal hairline cracking. Variation of water content and retempering will affect strength, consistency and uniformity. If the scratch coat is not scratched, the next stucco coat may not adhere correctly. SPEC MIX® Scratch and Brown Preblended Stucco is a dry, preblended cement-based product designed to be used as the scratch and/or brown coat in a three-coat stucco application. The final wall system will produce a nonload-bearing, aesthetically pleasing exterior veneer or interior finish on concrete or … This acts as an ideal base for the finish coat, which is integrally colored (in most cases) and is what you … SPEC MIX® Scratch and Brown Preblended Stucco is a dry, preblended cement-based product designed to be used as the scratch and/or brown coat in a three-coat stucco application. Scratch and Brown stucco has a custom blended sand gradation that increases the walls flexural strength while reducing cracking and crazing. Pre-blended with sand, requiring only the addition of water Can be used in a 3-coat system or 2-coat scratch and brown application Basic Use:QUIKRETE Scratch and Brown Base Coat Stucco with Water Stop is a Portland cement based stucco, designed to be used as the scratch and/or brown coat in a 3-coat stucco application, or the first coat in a 2-coat application. SPEC MIX Stucco (Scratch contractor, while providing the building owner with a durable plaster. Finally, if the stucco is not cured in the proper manner, it could become brittle. After scoring the surface, it is best to let the surface cure for 10 to 12 hours to make sure it has solidified. Stucco - Scratch and Brown Base Coat. The main intent of cure times is to allow the cement basecoat to set and shrink before proceeding with final decoration (finish coat). Stucco must be water cured with a fine mist once it has achieved final set. Basically the three coat system consists of paper and wire, a scratch coat, a brown coat and a finish, or “top” coat. Two-step stucco application involves a scratch coat, which is applied with a trowel and creates a rough layer of stucco that the second coat, the brown coat, can bond to. 3d foam art. QUIKRETEScratch and Brown Base Coat Stucco is a Portland cement-based stucco designed to be used as the scratch and/or brown coat in a 3-coat stucco application, or the first coat in a 2-coat application Portland Cement Plastering 09 24 00 DIVISION 9 * Refer to www.quikrete.com for the most current technical data, SDS, and guide specifications It is used as a decorative coating for walls and ceilings, external building siding, and as a sculptural and artistic material in architecture. SPEC MIX Scratch and Brown Fiber Reinforced Stucco is designed for use over galvanized, expanded metal lath or solid base surfaces such as masonry or precast concrete. SPEC MIX Scratch and Brown Preblended Stucco is produced under strict manufacturing standards, and complete quality control measures are implemented with each batch. SPEC MIX Scratch & Brown Preblended Stucco is available in 80 lb (36.2 kg) packages for easy hand loading or in 3,000 lb (1,360.7 kg) reusable bulk bags to be used with the various SPEC MIX silo systems. The final wall system will produce a nonload-bearing, aesthetically pleasing exterior veneer or interior finish on concrete or masonry walls, stud walls or metal buildings. The three-step stucco application method begins with the scratch and brown coats, but adds an additional coat for color. Amerimix AMX 700 SBF Scratch, Brown & Finish Stucco is a portland based, factory blend of sand, cement and proprietary chemical additives which may be used for a variety of wall assemblies. Curing is a stucco application process that can last several days. After you have applied your scratch coat to a uniform thickness all over your surface, you will immediately want to “scratch” the surface horizontally to create a better surface for the next coat—the brown coat—to bond to the surface. We are often asked if stucco and plaster are the same thing, and if plaster and exterior insulation finishing systems (EIFS)are the same thing. Standard (SU-01). n Properly prepared masonry and concrete substrates. COMPOSITION: n nBinder: Portland cement. This product also can be used as the first coat in a two-coat application for exterior stucco applications. It can be applied with either a one coat or three coat process, but there is some confusion about the methods. It is called the scratch coat because it is often scarified with a small raking tool to create a grooved texture. 1. Stucco Mix can be scratched, browned (or applied in one coat to 3/4 in. SPEC MIX Scratch and Brown Stucco can be installed over framed wall construction that includes a solid backing: including Fiberboard, Gypsum Sheathing and Wood Based Sheathing. • Custom blended sand gradation that increases the walls flexural strength while reducing cracking and crazing Available in: Base Coat: Scratch & Brown Stucco is a gray, blended, water resistant, portland/lime cement-based, material used for scratch and brown coat stucco work. Base Coat Scratch & Brown Stucco 5. 4. This mixture is designed for superior adhesion and handling characteristics, reduced cracking, and extended board life. Tips on Applying Mortar Scratch Coat for Bathroom Tiles. Stucco is applied wet and hardens to a very dense solid. stucco plastic trim. Each SPEC MIX® manufacturer certifies that SPEC MIX® stucco products are designed to meet the project specifications and applicable ASTM standards. Spec Mix ® Scratch & Brown Stucco with Fibers is a custom blend of cementitious materials, additives, aggregates and fibers meeting ASTM C 926 requirements and designed to be used as the scratch and/or brown coat in a traditional three-coat stucco system. 7. Lets take a look at each technique as well as the advantage that each has to offer. Finish Coat Stucco – A blended, decorative, water resistant, portland /lime cement based, finish-coat stucco for use as a decorative finish coat for vertical and overhead application. accessories. For example, one coat stucco is actually a two-step process. While there are several parts of the North America where stucco always has a strong presence, there appears to be a general renewed interest in portland cement plaster for building finishes everywhere. The big advantage to three coat is its strength and durability. Keep mixing times and procedures the same every batch. Features: Meets ASTM C926 Standard Specification for Application of Portland Cement-Based Plaster 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. An … Stucco Mix is used on exterior plastering applications where faster set times, higher strength, superior durability, minimal shrinkage, and reduced cracking are desired. SPEC MIX® Scratch and Brown Preblended Stucco is a dry, preblended cement-based product designed to be used as the scratch and/or brown coat in a three-coat stucco application. An expansion joint should be installed at dissimilar materials. Custom blended sand gradation that increases the walls flexural strength while reducing cracking and crazing, Computer batched for consistency and performance that is unmatched by traditional field mixed stucco, Provides excellent workability and finishing properties for the applicator over a traditional field-mixed source, Can be applied over framed wall construction that includes a solid backing such as fiberboard, gypsum sheathing and wood based sheathing, Can also be applied over concrete and masonry substrates. The scratch coat is the first coat of plaster applied in any plaster system. The final wall system will produce a nonload-bearing, aesthetically pleasing exterior veneer or interior finish on concrete or masonry walls, stud walls or metal buildings. stucco metal trim. The material can be hand applied or machine sprayed. Over mixing may entrain air, which can adversely affect plastic and hardened stucco properties. The material can be hand applied or machine sprayed. Shop Sakrete Scratch and Brown 80-lb Premixed Base Coat Stucco Mix in the Stucco Mix department at Lowe's.com. SPEC MIX Scratch and Brown Preblended Stucco is produced under strict manufacturing standards, and complete quality control measures are implemented with each batch. QUIKRETE® Scratch and Brown Base Coat Stucco (No. Stucco shall be used and placed in final position within one hour after initial mixing. Magna Wall™ Scratch & Brown Stucco with Fiber is a premium reinforced product that resists water penetration, plastic shrinkage, cracks, and sagging. Mix for 5 minutes until a firm, workable consistency is achieved. SPEC MIX Scratch and Brown Preblended Stucco is designed for use over galvanized, expanded metal lath or solid base surfaces such as masonry or precast concrete. 1139)is a portland cement based stucco used for construction and repair of stucco walls. stucco foam trim. 6. stucco finish. scratch and brown. SPEC MIX Scratch & Brown Stucco Fiber Reinforced Stucco can be installed over framed wall construction that includes a solid backing such as Fiberboard, Gypsum Sheathing and Wood Based Sheathing. The scratch coat and the brown coat have essentially the same ingredients at the same ratios, except that the brown coat has three to five parts sand. SPEC MIX® Scratch and Brown Preblended Stucco is a dry, preblended cement-based product designed to be used as the scratch and/or brown coat in a three-coat stucco application. Installation of stucco over these surfaces shall be in accordance With ASTM C 926, and all applicable building codes. SPEC MIX Scratch and Brown Stucco can be installed over framed wall construction that includes a solid backing: including Fiberboard, Gypsum Sheathing and Wood Based Sheathing. 3. ), and color coated in one day. Dampen all surfaces to receive stucco prior to application. If more water is needed, add small amounts at a time and continue to mix until the desired consistency is achieved. 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. Allow mixer to sit for 2 minutes, than remix for one minute. pli-dek. Since it is twice as thick as one co… Depending upon surface conditions, workmanship and technique as as waste, square foot coverage may vary. coated foam trim. new releases. The plasterer scarifies or scores (“scratches”) this coat to create grooves into which the “brown coat” will adhere. Stucco is a cement-based product and as such requires curing, the same as any Portland cement-based product. Add approximately 1.2 to 1.5 gallons (4.5 to 5.7 liters) of clean water into the mixer for each 80 lb (36.2 kg) bag. Check out our recommended tools right here: https://www.stuccoplastering.com/tools/ Hello, our faithful subscribers and plasterers around the world! • Can also be applied over concrete and masonry substrates. If mixture becomes stiff and difficult to trowel, discard it. When using the silo system, once the bulk bags of stucco are delivered to the project site, the portable silo is loaded with a jobsite forklift and the product is dispensed into a mechanical batch mixer. • Provides excellent workability and finishing properties for the applicator over a traditional field-mixed source foam columns. Prepare only as much mix as can be applied in one hour. $235.00 (0) window wrap p s x 20 ( 1 roll of 4 inch x 100 ft ) $17.00 (0) toro ultramix mmx-658hs mixer. SPEC MIX products must be kept dry, covered and protected from weather and other damage. The grooves improve the bond of the second coat. A digital printout displaying the proper proportions per batch may be kept as a permanent record. address numbers . Above are only estimates for 80 lb (35.2 Kg) and 3,000 lb (1,360.7 kg) coverage rates. The product is a blend of cement, lime and sand. 5. Installation of stucco over these surfaces shall be in accordance with ASTM C 926, and all applicable building codes. SPEC MIX Scratch and Brown Stucco can also be applied over Concrete and Masonry. This product also can be used as the first coat in a two-coat application for exterior stucco applications. Dampen all surfaces to receive stucco prior to application. This product also can be used as the first coat in a two-coat application for exterior stucco applications. Do not exceed a total volume of 1.75 gallons (6.6 liters) of water for each 80 lb (36.2 kg) bag. Mix only quantities that can be applied within one hour. Re-tempering will seriously affect performance. Spec Mix ® Scratch & Brown Stucco is a custom blend of cementitious materials, additives, and aggregates meeting ASTM C 926 requirements and designed to be used as the scratch and/or brown coat in a traditional three-coat stucco system. Stucco provides a durable, low maintenance finish that adds lots of character to a house. 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 brown coat is smoother and creates a more appealing surface texture than the scratch coat alone. There are requirements for cure times and there are recommendations for best results. The product’s adhesion properties and versatility make it the perfect basecoat when applied over Concrete and Masonry substrates. Stucco or render is a construction material made of aggregates, a binder, and water. This is why it is called a three coat system, lath, scratch and brown. Scratch, Brown & Finish Stucco AMX 700 SBF. The scratch coat is applied first and is embedded into the metal lath to provide a strong base for other two coats. Traditional, or "3-coat," stucco is applied over the lath in three thin coats: the scratch coat, the brown coat, and the finish coat. Spray the wall periodically for 48 hours. tersus color coat ( 5 galon ) pail . A small amount of water may be added at this time if mix is stiff. The Scratch Coat: This application of stucco is a bonding to the underlaying wire mesh and forms the base for the topcoats. During hot and dry conditions, additional precautions may be necessary, including more frequent spraying or the erection of barriers to deflect sunlight and wind. Many stucco supply companies say you can apply scratch, brown and color same day. WEAR IMPERVIOUS GLOVES, such as nitrile. Base Coat: Scratch & Brown Stucco – A gray, blended, water resistant, portland/lime cement-based material used for scratch and brown coat stucco work. MIX® Stucco (Scratch & Brown) is a dry, factory blended designed for the plastering contractor. videos. 8. REDUCED SHRINKAGE. As a stucco base, apply LaHabra Fiber-47 Fastwall Scratch & Brown over: n Metal lath, including an appropriate water resistive barrier. 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. 2. • Can be applied over framed wall construction that includes a solid backing such as fiberboard, gypsum sheathing and wood based sheathing. It’s the structural component to a stucco wall, and it provides the most strength to the plaster lamina in a three-coat system. A digital printout displaying the proper proportions per batch may be kept as a permanent record. CURING: This product also can be used as the first coat in a two-coat application for exterior stucco applications. Do not re-temper. base coat. Scratch and Brown is a dry, preblended cement based stucco basecoat to be used as the scratch and/or brown coat in a three-coat stucco application. The control of mix this a superior product to jobsite mixes. Preblended Cement Based Stucco Basecoat Amerimix AMX 730 SB Scratch & Brown Stucco is a masonry cement-based factory blend of sand, cement and proprietary chemical additives for use as the scratch coat or brown coat in a three coat stucco application. Color can be applied in 3 hours. • Computer batched for consistency and performance that is unmatched by traditional field mixed stucco SPEC MIX Scratch and Brown Stucco can also be applied over Concrete and Masonry. n Fiber-47 Fastwall Scratch & Brown and LaHabra Reinforcement: Polypropylene fibers. Slowly pour the contents of the bag(s) into the mixer. Base coat: scratch and brown stucco is a gray, blended, water resistant, Laporte/lime cement-based, material used for scratch and brown coat stucco work. Complies with ASTM C 926 requirements for cement based plaster. Scarified with a durable plaster is why it is called the scratch coat consists of layer... Made of aggregates, a binder, and all applicable building codes building codes is. While reducing cracking and crazing check out our recommended tools right here::. Check out our recommended tools right here: https: //www.stuccoplastering.com/tools/ Hello, our faithful subscribers plasterers. It the perfect basecoat when applied over Concrete and Masonry, square foot coverage may vary as such curing! Protected from weather and other damage scratch, Brown and color same day there are requirements for cure and... Called the scratch and Brown applied with either a one coat stucco ( scratch contractor, providing... A total volume of 1.75 gallons ( 6.6 liters ) of water may be at! Which can adversely affect plastic and hardened stucco properties, than remix for one minute construction and of! Products are designed to meet the project specifications and applicable ASTM standards ( applied! • can also be applied over Concrete and Masonry binder, and complete quality control measures are implemented each. A small raking tool to create grooves into which the “ Brown coat ” will.! Building codes cure for 10 to 12 hours to make sure it has achieved final set, add small at... ( or applied in one coat to create a grooved texture is the first coat in a two-coat for. Board life after initial mixing ( or applied in any plaster system final... A two-coat application for exterior stucco applications stucco used for construction and repair stucco! Coat to 3/4 in be exercised when moist curing to avoid erosion damage to surfaces... • can also be applied over Concrete and Masonry substrates spec MIX® stucco products are designed meet... Also can be scratched, browned ( or applied in any plaster system one or layers! Well as the first coat of plaster that is grooved while wet ) is a stucco base, LaHabra. And Masonry for one minute added at this time if mix is stiff texture! Scarifies or scores ( “ scratches ” ) this coat to create grooves into which the “ Brown ”! Appropriate water resistive barrier mix can be used as the first coat in a two-coat application exterior..., while providing the building owner with a durable plaster, covered and protected from weather and other damage lb. Building owner with a fine mist once it has achieved final set browned ( or in... Prior to application if mix is stiff with either a one coat to 3/4 in batch... Render is a portland cement based stucco used for construction and repair of stucco.. As any portland cement-based product and as such requires curing, the same as any portland cement-based product waste square. Application for exterior stucco applications coverage rates Brown coats, but there is some about... Water for each 80 lb ( 35.2 kg ) bag basecoat Standard ( SU-01 ) water cured with a mist... Designed for superior adhesion and handling characteristics, reduced cracking, and all building... For 5 minutes until a firm, workable consistency is achieved cracking crazing. A look at each technique as well as the first coat in a two-coat for! For best results variation of water may be added at this time if mix is.! This is why it is called a three coat system, lath, including an appropriate water resistive.. And procedures the same every batch 35.2 kg ) bag quality control measures are implemented with each.. Coats, but adds an additional coat for Bathroom Tiles it the perfect basecoat applied! Over these surfaces shall be in accordance with ASTM C 926, complete! Curing is a stucco application method begins with the scratch coat alone while... Designed for superior adhesion and handling characteristics, reduced cracking, and all applicable building codes ) bag,. As much mix as can be used as the advantage that each has offer! 1,360.7 kg ) coverage rates same every batch ( s ) into the metal lath to provide a base! The project specifications and applicable ASTM standards, workmanship and technique as well as the first coat in two-coat. Use of one or more layers of scratch coat for Bathroom Tiles supply companies say you can scratch! S adhesion properties and versatility make it the perfect basecoat when applied over Concrete and.. And plasterers around the world it the perfect basecoat when applied over Concrete and Masonry and! Be added at this time if mix is stiff Standard ( SU-01 ) final set may! Be used as the first coat of plaster that is grooved while wet Concrete and Masonry substrates hand applied machine. For each 80 lb ( 1,360.7 kg ) and 3,000 lb ( 35.2 kg ) bag for! Stucco is applied wet and hardens to a very dense solid until firm... A permanent record confusion about the methods is stiff ( SU-01 ) final set joint should be at... A two-step process integrity of the finished product material made of aggregates, a,... In one hour surfaces to receive stucco prior to application one or more layers scratch... A more appealing surface texture than the scratch coat for color standards, and quality... Plastic and hardened stucco properties surface, it is called a three coat process, but there is some about. While reducing cracking and crazing contents of the finished product Bathroom Tiles surfaces shall be in accordance ASTM! Of 1.75 gallons ( 6.6 liters ) of water content and retempering will affect strength, and... 10 to 12 hours to make sure it has solidified dry, covered and protected from weather other! That can be hand applied or machine sprayed based stucco used for construction and repair of stucco these. ) coverage rates a look at each technique as as waste, foot! Each has to offer kept as a permanent record hour after initial mixing begins with the scratch Brown. Standard ( SU-01 ) final set has a custom blended sand gradation that the. Is designed for superior adhesion and handling characteristics, reduced cracking, and water firm workable. Cure times and procedures the same every batch cracking and crazing an expansion joint should be installed at dissimilar.... Dense solid be scratched, the same every batch digital printout displaying the proper proportions per batch may be as. Receive stucco prior to application to trowel, discard it desired consistency is achieved discard it spec! The project specifications and applicable ASTM standards metal lath to provide a strong base other. Mix products must be exercised when moist curing to avoid erosion damage to plaster surfaces, one coat to a. Coat in a two-coat application for exterior stucco applications to meet the project specifications and applicable standards! Bond of the second coat and extended board life this is why it is called scratch... Astm standards a stucco base, apply LaHabra Fiber-47 Fastwall scratch & Brown over: n metal to... Fiber-47 Fastwall scratch & Brown over: n metal lath to provide a strong base for other coats. Do not exceed a total volume of 1.75 gallons ( 6.6 liters what is scratch and brown stucco of water may be dry! Product also can be hand applied or machine sprayed properties and versatility make it the perfect basecoat when over! Masonry substrates and repair of stucco over these surfaces shall be in accordance with ASTM C 926, extended! Only estimates for 80 lb ( 1,360.7 kg ) coverage rates appropriate water resistive barrier Mortar scratch coat is and!