The terms cement plaster and cement stucco are used interchangeably. One coat stucco has the appearance and advantages of traditional three coat stucco, including onehour fireresistiverated assemblies, but with. Dryvit flashing tape is a tough, selfadhering, selfhealing construction grade tape used to seal rough openings in walls utilizing a dryvit system by bridging the joints between sheathing and other underlying framing or foundation components. Samples of the stucco system shall be of an adequate size as required to represent each color and texture to be utilized on the project, and shall be. When freshly mixed, plaster is a pliable, easily workable material. Installation guidelines for adhered concrete masonry veneer. Ccp 5 is a strapped stucco system intended for use where a cavity backed, rainscreen design is specified and features a double sheathing and weatherresistive barrier with. Fastwall 100watermaster assembly is an exceptional upgrade to any structure. Cement board systems usg durock brand cement board offers architects, builders and tile contractors a strong, waterdurable tile base for tub and shower areas. Stucco prime is used when preparing conventional stucco brown coat, stuccobase, stuccobase premix, poured concrete or unit masonry prior to the application of the senergy finish coat to help alleviate shadowing and enhance the performance of the senergy stucco wall system. The assembly complies with ibc and irc building code. Wood stud framing masonry wall with zfurring masonry wall with wood furring. Threecoat stucco is recognized in the ibcirc building codes and remains one of the most popular exterior cladding choices for both residential, multifamily, and commercial projects. Masterseal 581 is a portland cement based coating for concrete and masonry that resists both positive and negative hydrostatic pressure.
Parex usa installation guidelines are for general information and guidance only and parex usa specifically disclaims all liability for the use of this design, for design engineering, and for workmanship of any project. Product use quikreter one coat fiberglass reinforced stucco frs is an alternative wall cladding. Stopowerwall stucco systems are advanced integrated wall systems that combine the best protective and aesthetic elements into a superior wall cladding. Cement based, fiberreinforced base coat for finestone stucco system applications. Premium three coat stucco system diamond wall three coat diamond wall three coat is an excellent choice for scratch and brown coat in threecoat stucco applications. A mockup of the cement board stucco system showing all components should be prepared using the same tools and skills that will be used in actual construction, and the sample should be kept at the job site during construction.
This assembly incorporates a fluid applied airmoisture barrier, drainage mat, cement board, and sto reinforcing meshes, base coats, primers and finishes. Also an ideal underlayment for tile on floors and countertops in new construction and remodeling. Locate and construct control joints as in threecoat stucco systems described earlier in this section. Brittle coatings, such as epoxy coatings, are not recommended for use with usg durock cement board. Most projects use combinations of these materials and methods. It does this by eliminating mass transfer of warm moisture air into the wall assembly to a cold surface where it can condense. If you plan to use this material, a longhandled brush will make your life easier. Fastwall 100 assembly provides a durable exterior in less time that traditional stucco. Fastwall 100 fiber reinforced stucco with cement finishword. One coat stucco system diamond wall system diamond wall one coat stucco is a code compliant plaster system that creates a longlasting exterior cladding for residential and commercial projects. Plaster plaster stucco manualortland cement portland.
Installation guidelines for adhered concrete masonry veneer page 6 wall system water resistive barrier lath fastening scratch coat existing concrete, masonry cmu, stucco, or brick structurally sound e. The assembly consists of optional prm polymer reinforced mortar or stuco. This is applicable when conventional cementitious stucco, either three coat or one coat, is to be applied over an amvic insulating concrete wall system. Meadows are designed to protect reinforced concrete structures in two ways. Diamond wall insulating system diamond wall insulating one coat stucco is a code compliant plaster system with increased energy efficiency that creates a longlasting exterior cladding for residential and commercial projects. Fiber47 300 he is an insulated standard stucco assembly with a base thickness between 34 in to 78 in and includes an additional layer of continuous insulation up to 2 in. Cementitious products are probably the easiest waterproofing materials to use. Senergy cement board stucco system from senergy is a highimpact and puncture resistant, watermanaged wall system incorporating a cement board core, reinforced base coat and 100% acrylic polymer exterior finish. Also listed in iccesr2429 and esr1511 for use with basf permalath. How other wall claddings compare with cementitious stucco. Cementitious waterproofing coatings are breathable, seamless coatings used to provide positive and negative side waterproofing protection on concrete and masonry surfaces. Use primer to act as a sealer for your stucco system and to improve the handling and coverage of acrylic and elastomeric finishes.
Cbs meets structural racking and fire code requirements when applied over acceptable sheathings. Do your stuccoing in mild weather 50 to 80 f and work when the surface is shielded from direct sun that could dry the stucco too quickly, resulting in cracking. Construct a full scale model with varying stucco installation conditions. The investiga tions have been performed for a variety of reasons, including resolving issues noted. Sto extaseal is designed for use as an air barrier, moisture barrier, and stucco scratch coat on prepared concrete and cmu beneath stopowerwall stucco icc esr 2323 or any other astm c 926 compliant stucco brown coat. Stucco exterior wall systems one and two coat details and. Place certain parts of the spec in other parts of the projects total spec. Concrete and masonry surfaces should be free of oil, dirt, or other materials that could weaken the bond. Exterior to be finished with vinyl siding, particle board siding, wood structural panel lap siding. Stucco prime is used when preparing conventional stucco brown coat, stuccobase, stuccobase premix, poured concrete or unit masonry prior to the application of the finestone finish coat to help alleviate shadowing and enhance the performance of the finestone stucco wall system. Cement stucco application, and familiar with the requirements of the specified work. Painting stucco is an acceptable method to change color. Cementitious stucco is a natural building material comprised of portland cement, sand and water with proprietary ingredients added that enhance its desirability as an alternative to wood, vinyl or metal, hardboard and natural stone.
The insulation can be shaped to easily provide architectural details. A variety of systems can be used for exterior wall construction or. They prevent damage from water infiltration and resist mold and mildew. Best practices and quality issues in residential stucco application drainage plane and. Dryvit commercial cement plaster ccp is a single source stucco solution combining the best of old and new world technology to create a better stucco wall assembly. Full scale stucco model testing contractors institute. Usg solutions usg durock brand cement board with edgeguard.
Cementitious definition of cementitious by merriamwebster. It is strong, durable, waterproof in the common sense of the term, and can be furnished in a wide range of colors and textures. This article discusses the role of the weepscreed in stucco wall drainage systems. The pdf link has the all the details for that system in pdf format, which can easily be viewed or printed using acrobat adobe reader or similar software. The system gives you the stucco look your customers appreciate, in a faster application. As you design and construct stucco projects, you may need some assistance. Ask the stucco manufacturer of the finish coat for recommendations.
Decorative foam shapes can be adhesively applied to the basecoat. Uses sentry stucco plus is a highly advanced portland cement based exterior wall system used on new or retrofit residential, institutional and commercial lowrise construction such as hotels, hospitals, retail centers, schools, multifamily apartments and condominiums, and government facilities. By using our services, you agree to our use of cookies. The systems are madeup of highperformance components including stoguard fluidapplied air and moisture barrier, sto drainscreen drainage mat, stopowerwall stucco and sto textured. Weep screed requirements for stucco wall drainage systems. A hard system to beat for a beautiful and versatile exterior finish with the toughness, durability, and serviceability of portland cement concrete select traditional portland cement plaster. Usg durock cement board is intended for use with tile, thin brick and exterior stucco coatings only. It is easy to it is easy to apply by hand or by machine, and is available in 6 different colours. Uses stucco prime is used when preparing conventional stucco brown coat, stuccobase, stuccobase premix, poured concrete or unit masonry prior to the application of the finestone finish coat to help alleviate shadowing and enhance the performance of the finestone stucco wall system. It forms a costeffective, durable weatherresistant exterior stucco finished wall, installed on wood or steel frame, residential or commercial structures. This does not apply to synthetic or eifs applications.
Stopowerwall ci is a premium stucco system which provides heat, air and moisture management along with the best protective and aesthetic elements for a truly superior wall cladding. Stucco, the common term for portland cement plaster, is a popular exterior finish for buildings. Fry reglet fiber cement panel reveals archives fry reglet. Ultratop, the flagship product of the entire system, is a selflevelling, ultra fastsetting selflevelling mortar. Facades stucco exterior wall systems one and two coat is the same reliable stucco artisans have been using for centuries, but with a couple of technological twists. Permabase cement board stucco systems combine the strength and durability of cement board, and the protection of durable coatings without the complicated installation, labor steps and moisture exposure of traditional stucco. While plaster may be used as an interior or exterior finish for most building materials, some type of metal reinforcement or mechanical keying system is usually required to effectively attach the plaster to the substrate. It combines stoguard air and moisture barrier, a drainage mat, type iv insulation, stopowerwall stucco and sto textured finishes into an integrated system. Plaster systems typically consist of a substrate, a basecoat plaster and a finish plaster. Diamond wall three coat omega products international.
Sma guide specification for 3coat portland cement plaster stucco applied to framed walls 2017 specification. It is an exterior wall cladding that is light weight, flexible, durable and adds energy saving insulation to the wall. Sound, prepared masonry, concrete or portland cement plaster stucco. It provides an economical hard surface that is rot, rust, and fire resistant, which can be colored and finished in a wide range of textures to adorn any architectural style. The base is white so that you can add color to the material in. This allows a structures climate control systems to operate more efficiently and saves the building owner money. Based on your answer the 3 jet combo gun will be best for your project. Cement board stucco exterior wall system details and. Stopowerwall extraseal is an air and moisture barrier with a directapplied stucco system. Portland cement association portland cement plaster stucco.
Commercial cement plaster ccp 2 ccp 2 is a traditional stucco assembly over wood or steel frame construction with a dryvit approved sheathing and a dryvit polymer finish. Portland cement plaster sometimes called traditional or conventional stucco should not be confused with exterior insulation and finish systems eifs or synthetic stucco systems that have become popular but have recently been the subject of controversy due to. When applied in accordance with iapmo er455, this product provides a onehour fire rating. Stucco manufacturers association periodically publishes guide specifications for the plastering and building industry.
Stucco is usually white, but special color blends are available. Steel framing must be 20gauge equivalent or heavier. Basf and spec mix stucco system program support bulletin. The building shall be enclosed and the hvac system operating so that wood framing shall reach the moisture content it will reach in service. In exterior applications, usg durock brand cement board with edgeguard should not be left uncovered for a period of time exceeding 90 days. This sprayer is best for vertical and overhead stucco, plaster applications including straw bale construction and decorative work. The design specifications and construction of the wall shall comply with all building codes and standards. A guide to cementitious stucco installation on amvic insulating concrete forms application. It is a trowelapplied polymer modified cement plaster, a mixture of portland cement, silica sand, and dryresins.
Stuccoing systems stucco can be applied as a threecoat, twocoat, or onecoat system. Nutech stucco cement board systems are a popular choice in climates where people want a stucco look yet budget and climate limits the ability to use true stucco. Stucco prime is used when preparing conventional stucco brown coat, stuccobase, stuccobase premix, poured concrete or unit masonry prior to the application of the basf wall systems finish coat to help alleviate shadowing and enhance the performance of the stucco wall system. Paint must be removed from painted concrete or masonry to improve the bonding characteristics of the scratch coat. An air barrier cement board stucco exterior wall system minimizes the risk of condensation within the building envelope. Durock one step ready mix is a formulated drymix cement parging, leveling coat and stucco base coat that is fieldmixed with water. The following wall coverings are commonly used over woodframe and masonry construction. This book is a commercialcomplete wall systems guide for steel studmasonry veneer. Application problems failure to install coatings and sealants correctly during construction, refer to the painting issues slides. A code approved water resistive barrier and lath are required. Multitex stucco system the multitex stucco system consists of a high build flexible acrylic emulsion applied to smooth, primed, fibercement panel.
Fastwall 100 fiber reinforced stucco with cement finish pdf specifications. Cement based finishes cement based finishes are made from a white portland cement instead of a dark gray portland cement that is typically used on the base coats of a hard coat stucco system. Fastwall 100 is the 1coat stucco assembly with a base coat thickness between 38 to 12 in. One coat stucco has the appearance and advantages of traditional three coat stucco, including onehour. Concrete masonry, however, provides an excellent base for plaster without the need for reinforcement. Based on your answer the 3 jet wall gun will be best for your project. A finish coat of stucco over painted stucco depends on, condition bond of the paint, type of paint, and the finish coat being applied. Facades stucorite is a reliable alternative to eifs and can be used in commercial and residential applications without any problems. Theyre readily available from suppliers of masonry products, and theyre easy to mix and apply. Nutech stucco assemblies provide an option for finishing typical direct applied finish systems dafs with parex finishes and coatings to complete the project with a quality final look.
Polymermodified with masteremaco a 660, masterseal 581 creates a low maintenance and highly durable waterproof barrier. The cad link is used to download a zip file containing all the details for that system in dwg format that can be opened in autocad or similar programs. Cementitious materials volume fraction sand volume fraction of cementitious material. Stuccobase conforms to astm c926, the standard specification for application of portland cement based stucco. Exterior insulation and finish systems eifs have been used successfully for over 50 years in the us. Exterior insulation and finish system application guide. Raw materials the material composition of portland cement and masonry cement base coat and finish coat stuccos is shown in the following table. Cementitious definition is having the properties of cement. Substrates substrates can be either metal lath, unit masonry, monolithic concrete, or a recommended gypsum base, cement board or gypsum fiber panel. Cementitious stucco compared with other wall claddings. Sma guide specification for 2coat portland cement plaster stucco applied to concrete or. These specifications cover all the ways that you can use the eifs exterior insulation and finishing system system. Stuccobase is a factoryblended mixture of portland cement, reinforcing fibers, and other proprietary ingredients. It complies with astm d226, protecting approved sheathingsstructural components and helping to evacuate incidental.
They both describe a combination of cement and aggregate mixed with a suitable amount of water to form a plastic mixture that will adhere to a surface and preserve the texture imposed on it. To tailor the specifications to your project use those sections which apply. Over the past 15 years, the authors have investigated defects in exterior portland cement plaster stucco cladding on hundreds of buildings throughout the southeastern united states. Basic stucco practice stucco is a cementitious mix of carefully proportioned materials cement, preferably low alkali additives including workability modifiers and lime sand, clean and graded water, potable typical threecoat stucco system.
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