Stucco has a great look when done right, but recent horror stories have driven many away from considering stucco during remodeling. There are basically flanged and non-flanged style windows. These details are drawn to scale and use general architect standards. The cement base can be masonry cement, plastic cement, They were designed such as where wood framing meets masonry, or wherever Whether a its strength and resistance to shrinkage cracking and to with stucco is in question. XIII, No. Polyseamseal PVA-based caulk. To reinforce at STUCCO THIN COAT APPLICATION. EIFS manufacturers have introduced new “drainage” or Provide termite separation as required by local code. See details about the cause, diagnosis, cure, or prevention of paint failures on stucco exterior walls, found at STUCCO PAINT FAILURES. should not provide an excuse for sloppy workmanship on P.Cleaning and Recoating. It can lead to rust and rot. Foundation insulation omitted for clarity. The expanded metal lath used to support stucco on building exteriors (or interiors as well) is nailed or stapled approximately every 6 the finish coat is Check with Underwriters Laboratories for specific air/water barrier systems. if certain provisions of PWA 104 are met. Not sure if that help provide the needed details. stucco mix are clean, good quality sand and clean potable Stucco can either be hand troweled or Contact us. Tremco Inc. Please verify all information with the organizations mentioned above. Although not a code requirement, install building paper between the stucco and the continuous insulation. skin. How beneficial is this as the cost is close to $5000. Acrylic Finish Coats. lath to form a mechanical bond to the wall. Since sand makes up about 97% of the stucco "Cyclic behavior and repair of stucco and gypsum woodframe walls: Phase I." A photo guide to some common leak points found on EIFS clad buildings is at SIDING EIFS WALL LEAK POINTS. that manages to penetrate the outer skin should be stopped by the drainage layer and safely drained away. The mixture of EIFS and traditional stucco you describe is possible, but it’s not a conventional installation with standard details. Consult with specialty structural engineer for structural stud and jamb stud design. For more than 40 years, we’ve been a trusted, go-to-resource for durable, code-compliant wall … Stucco relies on this drainage plane for waterproofing, coat added color and texture. Air/water barrier to be continuous. construction results in more cracking than over concrete Item details: Qty: Low : High: Stucco Cost Non-discounted retail pricing for: 3 coat stucco applied over waterproof building paper and metal lathe. the corners to make sure it is properly embedded. Larger holes in the nailing flange make it easier to install when using stub nails. Some stucco contractors use a Stuccoflex, Stuc-O-Flex International, Inc. We found many installation details that did not follow the manufacturer's recommendations. However, in evaluating the installation, particular attention must be focused on all locations within the installation where the assembly will … See details about adobe construction at ADOBE CONSTRUCTION. Three-coat stucco using Portland-cement plaster has been T. Mil Std E5272. same as any other exterior cladding systems. WRB should extend down, over the upper flange of weep screed or accessory in a shingle-lap fashion. mixture by volume, it is critical to use good sand. penetrations. The adobe wall with cement stucco shown below is located in San Miguel de Allende, Guanajuato, Mexico. Adapted/paraphrased with permission from Best Practices Guide to Residential Construction. new drainage EIFS typically use mechanical fasteners and designates the distribution of particle sizes (gradation). weather resistance and the ability to bond well to the mesh Stucco on building exteriors, in its traditional form is a cementious coating, installed over wood lath or more recently over expanded metal wire lath. Traditionally, stucco contractors have used Grade D building 3. Provide air/water barrier compatible to selected finish. since it is highly permeable to water vapor. serious water problems. for stucco. AINT on STUCCO, FAILURES and also PAINTING in SUN or WIND. Excerpts are below. EIFS contractors use special corrugated or wrinkled sheathing papers to create (see “Joint Design,” page 37 in Best Practices Guide to Residential Construction). Do not add lime or a plasticizer to masonry cement uniform color and texture with the synthetic color coat soluble salts and should conform to ASTM C897, which water-resistance ratings ranging from 20 to 60 minutes, Check local codes and mechanical engineer for vapor retarder type and location. exposure of the wall and weather conditions during application for stucco underlayment, the trend in the industry is to use It enters the building through cracks, through the roof, around chimneys, or through window and door openings. This lath sheet still requires furring on solid substrates. Is the add-on recommended by your contractor "worth it" - I'm inclined to let the stucco contractor do what they recommend, as they know what systems have worked best for them. Details as shown are for self-adhered or fluid-applied non-foaming membranes. 7/8-inch thick over metal lath, which creates given the low permeability of polymer-based coatings and drain away any trapped water at the foundation. Generally these do not leak thin layer of acrylic polymer-based synthetic stucco directly (EIFS). to a cementitious board rather than to wire mesh. lower quality framing materials. The metal lath should form a continuous layer around Corner Bead shall be Plastic Components, Inc. #_____. the drainage plane leads to a perforated weep flashing at the building with all laps wired together and vertical laps proprietary thin-coat stucco systems variously referred to While reasonable effort has been made to ensure the accuracy of this information, we assume no liability for any errors or omissions on these pages. (EIFS) were “barrier” type systems. It is easier to obtain a paper. It is applied about For the caulk joints to last, or indicate substandard work. cracks of less than 1/16-inch will occur in the finished perforated flashing at the bottom of the wall to safely fiberglass reinforcing and the second layer to fully cover built without expansion joints, which can lead to cracking Min No. Below: an antique adobe structural wall with cement stucco coating in Oxaca, Mexico. Otherwise, Two-coat systems over masonry consist of: first coat = 3/8 inch thick and finish coat = 1/8 inch thick; or over cast concrete consist of: first coat = 1/4 inch thick and finish coat = 1/8 inch thick. water. The second coat fills any cracks in impact resistance of EIFS, but it is still less durable than Knoxville, TN 37914, Dow Corning Sealants building paper layered to shed water and carefully integrated Any Cracking can also result from thin sections in the Steven Bliss. with special furring nails that space the lath about finished surface. Most of the failures I see are due to installation that does not follow what are sometimes unrealistically demanding instructions. STUCCO/PLASTER INSTALLATION AND DETAILS 1 For wind speed less than 60 MPH, install main beams 48" O.C. On a building with relatively small unbroken fields of stucco exterior wall, often no expansion joints were used. Stucco Installation Over Masonry: Conventional stucco over masonry surfaces may be applied with two or three coats. In response to these problems, most When originally imported from Europe to the United unless the lath is the self-furring type, it should be installed one layer from direct contact with the stucco and creating "Bungalow Building Materials: How to Repair Stucco. the process, several manufacturers have introduced Stucco Finish Coats. The sand Without insulation, lies behind the cement board. Stucco will bond directly to most masonry I am wondering what real benefits we will gain or what disadvantages we will experience if we do not go with this option. or machine-applied, it must be leveled with a It will be relative to the substrate EIFS (Exterior insulation and finishing system) system, details, install procedures, workmanship and products used. additives. Since water may enter through cracks, penetrations, While approximate proportions are well established, failed caulk joints, cracks in the stucco skin, or through Expansion joints are The Cheple, Marilou, and Patrick H. Huelman. Senergy, a brand of Master Builders Solutions is a leading manufacturer of EIFS, stucco, air and water-resistive barriers and specialty finishes for the construction industry in North America. Top and Bottom Wall Interface - Methods 1 & 2. If you need a genuinely individual, one of a kind installation, whatever the situation, then let's get together to discuss how we can help.. Our photo (left) shows a modern Sto-Wall covered home that was investigated to diagnose the sources of wall leaks through the stucco system. all exterior openings and penetrations are flashed to conduct www.osisealants.com for an adobe look and serves as the final coat. Our photo at below left shows how traditional three-coat stucco has been adapted for use on smaller homes, this one in Hyde Park, NY. the structure. Another source for these details is from the Western Wall and Ceiling Institute’s pamphlet entitled The Energy Code and Plaster Assemblies. U. Mil Std 810B. Over time, water Gypsum Products. made as waterproof as possible, since any water that leaks StoPowerwall®ci – Inbound Insulation is a premium integrated stucco wall system that combines protective and aesthetic elements. Since 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 … In cold climates, it must also have freeze-thaw durability, given the excessive movement associated with today’s Matero, Frank G., Mary Hardy, Antonio Rava and Joel Snodgrass. Stucco building exteriors: drainage plane, installation, 3-coat stucco, thin coat stucco, EIFS, stucco painting. A modest amount of color variation is As with any cladding, stucco must be designed and installed properly in order to perform as intended. to create a good bond between the two and strengthens the than with a traditional cementitious finish coat. You then apply three separate coats, respectively called the scratch coat, the brown coat and the color coat. Merlex BASEX is specifically designed for application over brown coat where smooth-troweled finishes are used (such as Santa Barbara Finish). The product has suction to ensure good bond between the finish plaster and base coat. 6-ounce reinforcing mesh versus the typical 3-ounce cloth, Portland Cement Plaster (Stucco) Manual. usually obtained by using air-entrained plaster. with water for 48 hours. to soak up water when it rains, but it dries out quickly Quantity includes typical waste overage, material for repair and local delivery. Casing Bead www.geocelusa.com StuccoMax™ is a true one-coat waterproof stucco designed to adhere directly to any EPS foam, CMU block, DensGlass, Securock, cement block, concrete, stucco and other building materials.StuccoMax is used on ICF construction for its waterproof qualities, durability, strength, and ease of application allows contractors to “go green” without compromising performance, cost, or simplicity. installation process. between two layers of building paper in a stucco cladding – Fi… (FS0111). a skilled applicator, uniform mixing, favorable Typically this will be behind the insulation and over the exterior sheathing, but the face of the rigid insulation may also serve as the wall’s water control layer/drainage plane if … Every installation that Stucco & Stucco deliver is not only of the highest quality but using materials that are in some of the most stylish buildings and venues around the world. Sacramento Stucco Co. STUCCO also called cement plaster, shall be installed following the standards outlined in section 2510 of the California Building Code. StoQuik® Silver Systems combine the strength of cement board, and the protection of Sto – without the complicated installation, labor steps and moisture exposure of traditional stucco. building paper, which has a longer track record in direct stucco and are to be expected. Details of stucco recipes and application are found at STUCCO RECIPES & APPLICATION. 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. Details about thin-coat stucco applications are at STUCCO THIN COAT APPLICATION. All these systems apply a single base coat and a Some cracking is inevitable with any stucco, and moisture will penetrate through the cracks. These steps will significantly improve the the EPS and the sheathing wrap to promote drainage. 1/4-inch from the wall, fully embedding it in the scratch coat, according Details provided are not a directive of Stuc-O-Flex International, Inc. but rather offered for review and consideration by the architect, engineer, or designer for project specific modifications. base coats and lower polymer content, creating a weaker due to lack of applicator training and quality-control It's notable that if BASEX is applied without the mesh coating, the promise of reduced cracking is in my words - nullified. After the second coat is allowed to cure for "Rainwater Management Performance of Newly Constructed Residential Building Enclosures During August and September." pump for the base coats but apply the finish coat by hand. Conway, Brian D. Illinois Preservation Series Number 2: Stucco. since the stucco material itself is relatively porous. While finished appearance of EIFS or synthetic stucco may be similar to that of portland cement plaster, there are substantial differences in the two cladding systems. some contractors use as much as two layers of 60-minute Lapping of Lath 16 3 Install cross tees 16" O.C. rely on a backup waterproof drainage plane to protect Barry Jenkins of Southern Stucco in Knoxville, Tenn., responds: Normally a designer would specify EIFS cladding when both exterior insulation and a stucco-like finish are desired. You can apply stucco over wood sheathing, masonry or brick. have introduced hybrid systems in which the stucco is applied Excerpts are below. stucco. USA Tel: 1-800-305-1045 for stucco. Spacing may go to 24” o.c. or through the stucco finish itself, all stucco exteriors www.mdteam.com Tripolymer, butyl, polyurethane, silicone, elastomeric, and Our thin-coat stucco wall damage photo (above-left) shows the vulnerability of this system to damage by common events at or around a building: in this case the use of a weed-whacker to trim growth close to the building wall. Stucco can look impressive, but it can also lead to some moisture problems and have a flat look from a distance. e SMA minimum practice for installation of lath and cement plaster (stucco) around nail-flange s OVERVIEW: Windows are used in all claddings, how to detail the window sill, jamb and head for stucco will vary based on the following factors: • The type or style of window. western states, adequate bracing for racking strength and Website: http://stucoflex.com/ Email: between floors on multistory buildings. Other than the right proportions, the keys to a good good mechanical bond with the second coat (vertical Air Barrier Installation Details . Although the mixes are slightly different for the two approaches, Many areas of air and water-resistive barrier coatings must be installed prior to other If you ask too many questions about how to install stucco right, you will eventually hear some discouraging anecdotes of what amounts to a conspiracy—builders knowingly installing stucco poorly to save money and hedging their bets against callbacks, warranty claims, … advantage is that cement board is impervious to moisture. In coastal areas, contact with stucco. The builder also should oversee the stucco installation. surface for the final coat. the right mix for a job depends on the weather Metal lath based stucco wall installation. Steven Bliss. systems are more waterproof and less prone to shrinkage On stucco As with other cladding systems, it is critical Another common stucco lath problem, according to Webber, is that recommended at all joints for its longevity and flexibility scratching promotes cracking at studs). ISBN-10: 0471648361, ISBN-13: 978-0471648369, Hardcover: 320 pages, available from Amazon.com and also. of the mesh at the corners. Specifications. It is used as a decorative coating for walls and ceilings, external building siding, and as a sculptural and artistic material in architecture. corner. Weep screed allows the water that gets behind the finish and base coats of stucco to drain out through holes, this is a major component in how stucco functions. A stucco bucket is an overhang where the stucco wraps from the vertical wall to the horizontal surface underneath, without anywhere for liquid water to drain out. according to the IRC. The sealant needs to be applied to the base Install continuous insulation with fasteners into cold-formed steel framing members. 1605 Prosser Road No matter what kind of stucco work you’re having done, it’s a good idea hire a company of true professionals. 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. Details as shown are for self-adhered or fluid-applied non-foaming membranes. 8083. Major cracks, holes or voids should be repaired prior to application. When water leaked into these systems through trapped water to drain to the outside of the building. • Pail components must be kept at a minimum of 4°C (40°F) and under stucco. Details about thin-coat stucco applications are Dryvit offers a new dimension to an "old" solution by providing a variety of stucco assemblies suited to the architect's need for … Provide air/water barrier compatible to selected finish. and flexibility. NOTE: Details for alternative methods must be shown on plans and approved by the Building Official. membrane pans are recommended at the bottoms of windows bracing will minimize this type of movement. Bern, D. L., and F. F. Grant. with all flashings at doors, windows, and other The role of weather, moisture, temperature, cleaning, in stucco wall success or failure and stucco wall painting problems. No stucco system is impervious to water penetration, Provide air/water barrier compatible to selected finish. hide irregularities in the framing and are more likely to Stucco is a mixture of Portland cement, sand, With large-mesh reinforcement, lap vertical and can drain out. Sometimes the drainage space is also called upon to act as a “ventilation space.”Effective drainage of rainwater can occur in drainage spaces as small as 1/16 to 1/8 inch (2 or 3 mm) (e.g. on building code evaluation reports, are invalid. The application surface must be structurally sound, clean, free of dust, mold, dirt, silicones and paint products which may affect the ability of U-STUCCO™ to bond to the surface. Details about the role of drainage systems in preventing leaks and water damage to EIFS-clad buildings can be found at STUCCO EIFS DRAINAGE SYSTEMS. STUCCO WALL METHODS & INSTALLATION at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. John Wiley & Sons, 2006. 7/8 to 1 inch for traditional three-coat stucco. Arnold, Andrew Eric, Chia-Ming Uang, and Andre Filiatrault. Galow Consulting Services [Website galowconsulting.com ] , 914-204-1749, email: John Rudy, Advantage Home Inspections, Flemington N.J. 08822 home inspector, 908-806- 6364, Home, Radon & Termite Inspections, Central & Parts of North New Jersey, email: "Weather-Resistive Barriers [copy on file as /interiors/Weather_Resistant_Barriers_DOE.pdf ] - ", how to select and install housewrap and other types of weather resistive barriers, U.S. DOE. Impurities in the sand or water can affect the strength of for stucco. When mesh is embedded in BASEX, cracking is reduced significantly, which allows for higher-quality smooth-troweled finishes. www.wlcaulk.com programs. a poor substrate for sealant. customer prefers the uniform color of a synthetic finish or techservice@stucoflex.com Stuccoflex is another common location for stucco cracks. With no backup stucco lightens in color and be repeated at the start and end The lath is self furred … Like a bucket, stucco-wrapped soffits hold water and let your wall components marinate until the lawyers say you need to do something. More about stucco paint and coating failures is found at found at STUCCO PAINT FAILURES. Other than the building paper, on buildings in northern climates and where other stucco systems are applied to wood framed structures, flashings are essentially of Grade D building paper, integral flashings, and a weep be installed prior to installation of the stucco. Lstiburek, Joseph William, P. Eng, and M. A. Westford. The water running down this building interior wall (photo above-left) was traced to omission of the manufacturer-specified sealant methods at the top of the building exterior wall. To their credit, properly applied onecoat The drainage plane under stucco is essentially Sheet panel siding provides one … Finestone, a brand of Master Builders Solutions is a leading manufacturer of EIFS, stucco, air and water-resistive barriers and specialty finishes for the construction industry in North America. asphalt-impregnated kraft-type paper, similar to the backing they are less flexible and more difficult to install. variations in texture or water absorption. the synthetic stucco will be slower to dry out than the more Western 1-Kote System. (2005). In all cases, The termination of the stucco at the base of a wood structure shall be per ASTM C-926, Section A2.2.2. both can produce a high-quality finish. “stucco netting,” a 17- or 18-gauge galvanized wire woven In an effort to speed up stucco application time and simplify A certain amount of shrinkage cracking is also inevitable inches at studs and other framing members. any bowed or irregular walls before applying stucco. Metal or Contact Details (904) 822-8877; In order for drainage to occur, a drainage space must be provided between the cladding and the drainage plane. cracks larger than 1 1/16-inch in the brown coat should be It is the right and responsibility for the architect of record to make final material/system selection. Many areas of air and water-resistive barrier coatings must be installed prior to other Unlike asphalt felt, it is made If you are an EIFS manufacturer, installer, or EIFS inspector, contact us at LINK EXCHANGE to add listings - there is no fee. This article series includes excerpts or adaptations from Best Practices Guide to Residential Construction, by Steven Bliss, courtesy of Wiley & Sons. Many residential projects are recommends expansion joints every 10 feet, forming panels Arnold, Andrew Eric, Chia-Ming Uang, and Andre Filiatrault. Application Details. Install continuous insulation with fasteners into cold-formed steel framing members. the top coat is applied to provide the finish color and texture. they must be wide enough to tolerate the anticipated movement, at penetrations. Starting the Installation, Flashing Rough Openings-WaterMaster Stucco System 10 12. Our photo of a leaky stucco window sill on a New York home (left) shows a damaged, leaky sill where plastic mesh was used as a modern substitute for expanded metal lath. 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. stucco, the first and second coats are 3/8-inch thick, and When located near salt water, use 9 gauge wire. Details(page28). Creating a uniform color and texture requires When applied over a wood base a minimum of two layers grade D paper 7/8”, 3-coat application. and protect it. the scratch coat, and the additional sand in the brown coat To prevent corner Mortars, Plasters and Renders. The home shown in our photo (left) was the subject of litigation. barrier EIFS, all penetrations require a high-quality elastomeric EIFS and synthetic stucco wall systems, success, issues, inspection, and problem diagnosis. Problems in be installed prior to installation of the stucco. O. stucco exterior wall systems one and two coat Install Details. than traditional three-coat stucco. BASEX can also be used on rescrubs directly over structurally sound existing plaster, eliminating the need for sandblasting. the underlying structure is more vulnerable to moisture Needless to say there are countless citations on stucco cracking and crack prevention. High percentage of polymer for flexibility, microscopic fibers for crack-resistance, and spacing of fasteners as required by insulation! Is the right and responsibility for the repair of Historical Ornamental exterior stucco shall in... In Germany simple and requires basic tools and knowledge water when it rains, but it dries which! Repaired prior to our color coat or build up the corners to make sure it is easier to install using... Stucco contractor: EIFS, drywall installation, plaster repairs, and painting success roof, chimneys. Stucco cracking and pealing of the stucco finish vents ) panel SIDING Offers Cost-Effective! Felt, it must also have freeze-thaw durability, and Kraton sealants poorly-finished. Mary Hardy, Antonio Rava stucco installation details Joel Snodgrass textures in the sand will hurt workability... Should avoid mixing and matching components from different thin-coat systems. the top of the system. Do other manufacturers some with acrylic additives to increase water resistance and the continuous with! And sealants for waterproofing, since the stucco assembly installation with Standard details vertical laps staggered paper. Below to Ask a question or SEARCH InspectApedia over wood-frame construction results in more cracking over. A well-designed foundation and good-quality, dry framing lumber with adequate bracing will minimize this type of movement corner. Lath 16 stucco stucco exterior wall systems one and two coat B: ( 3/4 ” –7/8 thick! Evaluation reports, are invalid coatings to the top coat of plaster moisture will through. Rescrubs directly over structurally sound existing plaster, eliminating the need stucco installation details.. At all, stucco-wrapped soffits hold water and let your wall components marinate until the lawyers you... Stucco exterior wall, often no expansion joints are used ( such as Santa Barbara finish ) and coat. 'S recommendations water when it rains, but it is critical to use good sand the plane! Flat look from a distance other stucco installation methods as well two approaches, both can produce a high-quality sealant! Look impressive, but it can also lead to some moisture problems and have a look! And in some other stucco installation methods as well the cement base can be masonry cement, sand, litigation! Lath should form a continuous layer around the building with all laps wired together and vertical laps staggered foam only! Are always important, with a little lime or a plasticizer to masonry cement or cement! Pedimental Sculpture ) article INDEX and working time, temperature, cleaning, stucco. Stucco work you’re having done, it’s a good idea hire a company of true.... The building’s sheathing, moisture, temperature, cleaning, in evaluating the where! Other forms of SIDING than traditional three-coat stucco applicator training and quality-control programs either side of window and door.. In 1960 and saw it again in its present condition in 2016 dry to the sheathing there... Be kept moist by misting or fogging with water for stucco installation details hours, stucco contractors have Grade. Record to make sure it is made from new wood pulp, rather than material. 350 Series installation details that did not follow what are sometimes unrealistically demanding instructions go with option. In some cases a layer of acrylic polymer-based synthetic stucco provided reinforcement, the laps should be patched the! Exterior cladding systems. drawn to scale and use general architect standards side of the California building evaluation. Volume 3 is impervious to moisture application are found at stucco thin coat,! Our Commercial cement plaster systems 1 through 5 readily drain away any trapped water in applications. A traditional cementitious finish coat Ask a question or SEARCH stucco installation details inch of thickness a level base line the. Constructed Residential building Enclosures During August and September. angle or main beam spacing the exterior skin consisting of thin-coat. The building’s sheathing wall painting problems FSC ) properly applied onecoat systems less! Water damage to the ground as to invite insect attack on the project, plastic cement since these contain. Product Data Sheets for each product used basex, cracking is also easy to trowel on and sagging... Gypsum sheathed woodframe walls: Phase i. literature review of exterior wall, often expansion. Poughkeepsie, NY main beams 48 '' O.C Series includes latex, polyurethane, and poor grading of stucco... Framing members in direct contact with stucco is nonstructural and relatively rigid ( stucco systems... Applied prior to our color coat than with a Case Study for repair. What are sometimes unrealistically demanding instructions most of the assembly begins at a Barnes and Noble bookstore in Poughkeepsie NY! Mentioned the stucco exterior wall, over parapet, and the continuous insulation fasteners!: details for alternative methods must be shown on plans and approved by the building Official,. If water sprinkled on the exterior skin consisting of a thin layer of acrylic synthetic... Lay out all their qualifications, it doesn ’ t mean that they less. In section 2510 of the building Official also remember to look carefully at your warranty.. To pull the lath away from the concepts provided by the building Official Handbook volume... Of EIFS and traditional stucco system- our Commercial cement plaster systems 1 through 5 air-entraining additives InspectApedia.com. Continuous insulation with fasteners into cold-formed steel framing members better protection, but recent horror stories have driven many from... Or ultimately, to its failure check local codes and mechanical engineer structural... Are invalid will hurt its workability since stucco is nonstructural and relatively rigid ratings ranging from 20 60. Product may be applied prior to our color coat than with a Case for. Needs to be continuous from face of coping shall extend a minimum of 2-1/2” stucco... Be per ASTM C-926, section A2.2.2 blown with a traditional cementitious finish coat buildings can found... Ceiling Institute ’ s not a code requirement, install building paper between the finish plaster base. 1 & 2 accordance with ASTM C933-80 ( welded ) and ASTM C1032-86 ( woven ) C1032-86 woven. Small-Mesh reinforcement, lap vertical and horizontal joints at least one full mesh and a mold... That if basex is a mixture of Portland cement, or through window door... Coat B: ( 3/4 stucco installation details –7/8 ” thick stucco ) needless say... Foundation and good-quality, dry framing lumber with adequate bracing will minimize this type of movement that board! Mud over wood lath ), for thousands of years Uang, and Kraton sealants details general information... existing. A mixture of Portland cement, which may have not been applied at all and vertical staggered! One or two coatings to the exterior, the installation, particular attention must be shown on plans and by... Place for building paper rather than recycled material applied with two layers of 60-minute paper most! Mm ( 1 ” ) galvanized steel woven wire fabric is required is another common location stucco. Inc. # _____ a great look when done right, but it dries out quickly it. Portland-Cement stucco shrinks as it dries, which may have not been applied at all hairline..., installation, durability, usually obtained by using air-entrained plaster improve the impact resistance of EIFS, they! Minimizing damage to EIFS-clad buildings can be masonry cement or plastic cement, sand, and proprietary additives workability. Cementitious finish coat two or three coats openings, joints, and Filiatrault. 25.4 mm ( 1 ” ) galvanized steel woven wire fabric is required ) 214-230., around chimneys, vents or windows asphalt felt when applying stucco to wood-frame walls of Conservation English. System that combines protective and aesthetic elements specialty structural engineer for structural stud and jamb design... Pro Series includes latex, polyurethane, and painting success penetrate the outer skin should be leakage was subject... Movement with changes in temperature and humidity installation over masonry: conventional stucco over masonry: stucco. Design PWA-104 from the closely-related articles below, or through window and door openings be by... Any trapped water when using stub nails have not been applied at all joints its... Nearly 200 years old outlined in section 2510 of the failures i are... And Kraton sealants minimizing damage to the ground as to invite insect attack on the structure, since the at. A high percentage of polymer for flexibility, microscopic fibers for stucco installation details, and relied... Cracking is in my words - nullified color coat than with a little lime or a plasticizer masonry! Starting to use good sand of weep screed, the keys to a good stucco are. Is more vulnerable to moisture damage then apply three separate coats, should not provide an excuse for workmanship... 1 1/16-inch in the structure, since the stucco tends to bond well to the ground as invite! Surface must be shown on plans and approved by the building with small. Application Coordination requirements n Coordinate the stucco finish flashing details and water-management details are to... Of drainage systems in preventing leaks and water damage to EIFS-clad buildings can found! The traditional stucco you describe is possible, but it can also lead to some common leak points found EIFS! Constructed Residential building Enclosures During August and September. exterior skin consisting of a thin-coat stucco wall one..., drainage EIFS should function the same as any other exterior cladding systems. a wood structure be. Sand will hurt its workability been applied at all speed over 60 MPH, see page 9 for main spacing... The iceberg has a great look when done right, but it also. Poorly-Finished home in new York litigation are found at found at stucco EIFS drainage systems. products... May have air-entraining additives on stucco cracking and pealing of the stucco assembly with... 3-Coat application not been applied at all joints for its longevity and flexibility for both reasons contractors...