Find a stucco contractor near Portland, OR. Stucco faced a monumental change in 1824, with the discovery of cement. Since 1957, SMA has actively engaged in promoting the products manufactured by our members, while holding high standards. Polymer based (PB) systems, sometimes known as thin coat, soft coat, or flexible finishes, are the most common. Portland Cement is a commercial grade cement that can handle any number of heavy applications; including structural construction and repair. Water Resistant Stucco (Scratch and Brown Base Coat) is a portland/lime, cement-based stucco with crystalline water repellent technology. Traditional masonry stucco is a cement-based plaster that is applied over walls and other surfaces inside and outside of buildings. © 2019 Portland Cement Association. Because plaster and concrete masonry undergo similar volume changes, they are inherently compatible. Portland Cement is a high strength cement designed for a number of different applications. Specification: SMA Guide Specification for 2-coat Portland Cement Plaster (Stucco) applied to Concrete or Masonry Walls (2017) Note: Downloading any “specification” is acknowledgement of reading and agreeing to the SMA “Caveat” above. There have been fewer problems with exterior insulation and finish systems used over solid bases such as concrete or masonry because these substrates are very stable and are not subject to rot or corrosion. To confirm the suitability of a desired color and texture, be sure to ask your plasterer to provide a sample panel for evaluation prior to starting work. Try Prime All Go Search EN Hello, Sign in Account & Lists Sign in Account & Lists Orders Try Prime Cart. Texture is achieved by selecting aggregate size, controlling finish mix consistency, and using special treatment techniques during and after application of the finish coat plaster. It performs in all climates. www.cement.org, 2020 Energy and Environment Award Winners, 2020 Chairman’s Manufacturing Performance Award Winners, 2019 Chairman's Safety Performance Award Winners, 2019 Chairman’s Manufacturing Performance Award Winners, State & Market US Summary (13 Categories, 1 Year), State & Market Trend (46 Categories, 20 years), Construction PIP by State (23 Categories, 20 years), Resiliency Potential in the Wildfire-Prone Single-Family Market October 2020, The Potential Impact of Tariffs Levied Against Chinese Cement, Railway-Related Cement Consumption Outlook, Trump Infrastructure: Potential Taxpayer Savings from the Use of Life Cycle Cost Analysis (LCCA), Attitudes & Perceptions Study: Soil Cement, FDR and RCC Pavement Market, Long Term Cement Pavement Consumption Outlook, Energy-Related Cement Consumption, September 2017, Airport-Related Cement Consumption Outlook, July 2017, U.S. Cement Manufacturing Capacity, February 2017, "The Wall" Impact on Cement Consumption, February 2017, Stronger Sentiment, Higher Interest Rates, January 2017, U.S. Portland Cement Industry: Plant Information Summary, Leadership in Energy and Environmental Design, COVID-19 State Resources and Environmental Policies, MIT Concrete Sustainability Hub Pavement Research, Cement-Stabilized Subgrade (CSS) Soils and Cement Modified Soils (CMS) Case Histories, Full-Depth Reclamation (FDR) Case Histories, Roller-Compacted Concrete (RCC) Case Histories, Roller-Compacted Concrete (RCC) Performance, Find a Roller-Compacted Concrete (RCC) Contractor, Storm Water Management by Pervious Concrete, Sustainable Cement & Concrete Manufacturing Toolkit, Sustainable Cement & Concrete Construction Toolkit, Design and Control of Concrete Mixtures Course, Troubleshooting: Solutions to Concrete Field Problems, Mill Grinding Course and Kiln Process Program, Masonry Walls and the Importance of Mockups, Verifying Compressive Strength of Masonry, The Masonry Society Becomes Sole Sponsor of Code and Specification, Special Inspection in the Codes and Standards, Placing Joints in Concrete Flatwork: Why, How, and When, The Difference Between Curing and Drying Concrete, White Cement and Colored Cement Construction. 3. This bar-code number lets you verify that you're getting exactly the right version or edition of a … Moisture Control: Prevent accumulation of water into or behind stucco, either by condensation or leakage into wall construction, in design and detailing of wall assembly: Texture is achieved by selecting aggregate size, controlling finish mix consistency, and using special treatment techniques during and after application of the finish coat plaster. Romds. Concrete block is an excellent base for Portland cement-based stucco. Search. Portland Cement Stucco Finish Exterior E-Z Wall is a premium, factory blended, cement-based, polymer-modified, stucco finish manufactured from portland cement complying with ASTM C150, graded aggregates, and proprietary additives. When applied to metal lath, three coats of plaster form a 7/8-inch total thickness. QUIKRETE 94 lb. Skip to main content. As the scratch coat plaster hardens, the lath and plaster become rigidly interlocked with the lath, essentially performing as reinforcement. Applied directly to concrete masonry, Portland cement plaster provides a tough 1/2-inch thick facing that is integrally bonded with the masonry substrate. The availability of different types of metal lath and accessories increases the versatility of Portland cement plaster and contributes to its serviceability in many applications. When directly bonded to the concrete, a dash bond coat or surface applied bonding agent is typically needed to enhance the bond between the plaster and the concrete. Color is determined by selecting cement and aggregate color, and quite often modified by adding mineral oxide pigments to the plaster mix. Next, add the bag of cement (plastic or Portland cement) to the water and sand mix and more water, so you can actually mix everything adequately. All rights reserved. ASTM Standard C 926, Specification for Application of Portland Cement-Based Plaster, permits direct application of stucco to solid surfaces like concrete and masonry as long as bond is sufficient. Stucco: 3/4 inch (19 mm) or 7/8 inch (22 mm) Portland cement stucco per ASTM C 926 of uniform thickness applied in two coats, scratch and brown coat. Lath may be expanded-metal lath, woven-wire lath, or welded-wire lath. While the polymer based skin repels water very effectively, problems arise when moisture gets behind the synthetic stucco and is trapped inside the wall. LaHabra FastWall 300 Stucco Assembly with Acrylic or Elastomeric Finish Specification - Page 09 24 00 - 1 CSI SECTION 09 24 00 – PORTLAND CEMENT PLASTER LaHabra® Fiber Reinforced Stucco Acrylic or Elastomeric Finish and Optional Krak-Shield PART 1 - GENERAL 1.1 SECTION INCLUDES Synthetic stucco consists of a polymer based laminate that is wet-applied, usually in two coats, to rigid insulation board that is fastened to the wall with adhesive, mechanical fasteners, or both. These pre-pigmented, packaged cements offer ease of use for achieving the desired stucco color, but it’s also possible to add pre weighed mineral oxide pigments to the finish coat stucco during mixing. Plaster has proved to be a durable wall cover in all climates, whether wet, dry, hot, or cold. When concrete surfaces are extremely smooth or contaminated with excessive form oil, metal lath is used as a plaster base. Movement joint accessories isolate plaster panels from building movement and accommodate thermal- and moisture-induced volume changes in the finished plaster. Polymer modified mineral based (PM) exterior insulation and finish systems are sometimes known as thick coat, hard coat, or rigid finishes. PM systems have greater impact resistance than the polymer based systems, but are typically less than one-third the thickness of traditional three-coat stucco. Traditional portland cement plaster is an extremely versatile, time-tested exterior finish, frequently referred to as “stucco.” It consists of portland cement-based materials and sand, mixed with water to form a workable plaster. Composition of stucco is cost-effective and tough enough to resist damage the right pro the portland cement Account & Sign! 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