Selffurred glass fiber reinforcing lath in durable plaster base that will. A variety of accessories are also available for use in different plaster installations. Lath preparation and installation 22% coordinate lath and plaster installation prepare substrates install lathing materials seal penetrations 3. Lath and plaster installations shall be detailed on the drawings, to the extent not. Section 09200 lath and plaster planning, design and construction. Read, highlight, and take notes, across web, tablet, and phone.
To find out more, please reference the sustainable materials data sheets. Installation guide and detailing options for compliance with. Openings in a gypsum lathandplaster system, such as door frames, borrowed lights, etc. Exterior insulation and finish systems are exterior wallcladding systems that consist of an insulation board covered with an integrally reinforced base coat and a textured. Plaster systems typically consist of a substrate, a basecoat plaster and a finish plaster. Since conventional lath and plaster differs from veneer plaster, weve simplified the manual by dividing it into two distinct sections. Pca portland cement association plaster stucco manual. Submit producers certificate for each kind of plaster aggregate indicated materials. For interior base coat work, lime plaster has been largely replaced by gypsum plaster. Lath accessories shall have perforated or expanded flanges, to permit complete embedment in the plaster, and be designed to receive the specified thickness of plaster. Plaster plaster stucco manualortland cement portland. Ccp 2 is a traditional stucco assembly over wood or steel frame construction with a dryvit approved sheathing and a dryvit polymer finish. Since conventional lath and plaster differs from veneer plaster, weve simplified the manual by dividing it.
Information, standards, products, product names, properties, application methods, procedures, etc. Portland cement association pca, portland cement plaster stucco manual. However, the expanded metal lath product specified and the way it is installed has a huge impact on the longterm stability of the plaster it supports. You will hear this option discussed a lot and for many it is considered the only option, mostly to avoid the horrible mess created. Plaster systems c07 s02 high quality lining solutions providing the perfect finish for your walls. The information contained herein is the most currently recognized and approved specifications, and trade data available. Astm c 1063 standard specification for installation of lathing and furring for portland cement based plaster. Lath may be expandedmetal lath, wovenwire lath, or weldedwire lath. Improper plywood sheathing installation not necessarily the responsibility of the lathing contractor. These systems make intricate architectural details and ornamental shapes possible. Please ship me a copy of the lath and plaster systems manual cd.
Superior weather protection densglass sheathing integrates a waterresistant, treated core with a fiberglass mat face and back to provide superb protection from the elements. Plasterstucco preparation, installation, and repair 40% mix and apply scratch and brown coats install plasterstucco systems. The history of plaster and drywall is covered, as well current trends such as continuous insulation, air barriers, rain screen and venetian plaster. Waterway stucco assembly is a fiberreinforced, nonstructural, plaster system comprised of a weatherresistive barrier, drainage mat, metal lath, portland cement plaster base. A code approved water resistive barrier and lath are required. Attachment of metal plaster bases to masonryconcrete 17 18. Stucco manufacturers association educating the building. The difference between conventional plaster systems. A lath and plaster ceiling can be left in place and overboarded with plasterboard, using long drywall screws through the existing lath and plaster into the joists not ideal but, quite commonly done. Plaster systems conventional plaster systems are the best choice to attain a uniform, monolithic, blemishfree, smooth surface with good to excellent wear resistance based on the type of finish plaster.
Design and installation per stucco manufacturers recommendations will produce a longlasting and durable exterior cladding. Stucco is the common term for portland cement plaster, a wall. Accessories include control joints, expansion joints, corner bead, casing bead plaster stop, cornerite, weep screed, etc. Flashing corrosion resistant material used to restrict the movement of water around any intersection or projection of materials in an assembly. This barcode number lets you verify that youre getting exactly the right version or edition of a book. Lath corrosion resistant mesh building material fastened to the substrate to act as base for adhering mortar. Modern stucco is a basic blend of sand, cement and lime. The following are the eight deadly sins of metal lath installation for portland cement stucco.
Stucco is an historically proven cladding with hundreds of years of success. Plaster and drywall systems manual 3rd edition by j. It provides services to architects, the construction community and the public on a variety of matters relating to the plastering trades. This is a comprehensive manual that goes beyond codes and standards, providing expert guidance in design, detailing, material selection and troubleshooting for plaster and drywall. A cavity should then be formed by counter battening with minimum 38 x 38mm timber or by using gyplyner universal. Price new from used from hardcover, january 1, 1977. Installation guide and detailing options for compliance. Ul listings and other designs in the ga600 fire resistance design manual. The plaster will adhere to a surface and harden, pre. Klath stuccorite is a 16 gauge 2 x 2 welded wire lath for reinforcement of stucco, masonry, and cultured stone. Copyright 2001 tlpcatblp all rights reserved duplication of. Plaster metal framing systems lath manual california lathing and plastering contractors association on. Plasterstucco preparation, installation, and repair 40% mix and apply scratch and brown coats install plasterstucco systems repair plasterstucco installations. Because lime putty is the most plastic and workable of the cementitious.
Manual on plasterers tools, application, and finishes. Georgiapacific gypsum products and leed many of our products may contribute to leed credits. Plaster metal framing systems lath manual hardcover january 1, 1977 by california lathing and plastering contractors association author see all formats and editions hide other formats and editions. A reader asked if the material shown in the plumbing. Plaster systems typically consist of a substrate, a. Plastermetal framing systemslath manual distributed by the plastering. Movement joint accessories isolate plaster panels from building movement and accommodate thermal and moisture. Plaster systems linings plaster systems gyproc plasters offer a full range of specific and multipurpose solutions for a wide range of internal plastering needs and backgrounds. Additives can be blended into a basic mix to impart desired characteristics.
Portland cement plaster is a combination of portland cementbased cementitious materials and aggregate, mixed with a suitable amount of water to form a plastic mass. Lime plaster is now used mainly for interior finish coats. Follow the stucco manufacturers written installation instructions, published details. Portland cement plaster with stucoflex international.
Submit manufacturers product data for cementitious materials, lath, metal support components, and accessories. Unfortunately, portland cement plaster is also one of the most abused materials currently used in construction. This edition of the gypsum construction handbook is a guide to construction procedures for gypsum drywall, cement board, veneer plaster and conventional plaster construction in effect in 2004. This manual replaces the previous edition 1982, and our initial product and systems manual of the 1970s. Books will ship november 2014 this is a comprehensive manual that goes beyond codes and standards, providing expert guidance in design, detailing, material selection and troubleshooting for plaster and drywall. For unlimited design possibilities in a tough, durable, and beautiful exterior cladding, remember traditional portland. Various gyproc plasterboards can then be screw fixed to the underside of the battens depending. Conventional plaster systems use a thicker plaster coat over a metal lath and provide increased fire and wear resistance, while one or twocoat veneer systems are faster and less expensive to apply. Astm c 926 standard specification for application of portland cementbased plaster. It is widely recognized as an education and technical spokesman for the industry. Best practices for selection and installation of expanded metal lath products best practicesexpanded metal lath products 2 by clarkdietrich building systems.
In the strictest, technical terms, stucco refers to the final finish coat of exterior plaster in which the final color and texture are obtained. Movement joint accessories isolate plaster panels from building movement and accommodate thermal and moistureinduced volume changes in the finished plaster. Panels will not delaminate or deteriorate due to normal weather. If paperbacked lath is used, laps should be installed to allow a paperpaper and lathlath lap. Thistle plasters offer a full range of specific and multipurpose solutions for a wide range of internal plastering needs and backgrounds. Freshly placed plaster must be protected from excessive moisture loss in the first few days after. Best practices for selection and installation of expanded.
Division 9 finishes section 09200 lath and plaster. Redline fastening guideline on suction paper to ensure quick, easy and correct fastener placement. This chapter is not intended to be a plasterers manual, but because of the common waterproofing problems of plaster over wood, a few critical aspects of this system are set forth. They are designed to suit either hand or machine application. Includes stepbystep instructions on how to install flashing, corner beads, casing beads, control joints, weatherresistant barriers, exterior insulation systems, and onecoat stucco systems. Gold bond 09 26 ngc brand 09 23 00ngc plaster resource manual. The result will be popular attractive stucco finish having the toughness and durability of concrete. Underdraw the existing lath and plaster with chicken wire supplied by others and fixed in accordance with manufacturer recommendations. Plastermetal framing systemslath manual distributed by the plastering information bureau of california on major new projects, require a field constructed mockup for verification of texture, assembly, and details. Portland cement plaster, and the guidelines given in the portland cement plaster stucco manual in applying the plaster. The minnesota lath and plaster bureau has promoted the industry since 1953. In common usage, however, the term stucco is used to refer not just to the finish coat, but any or all of the multiple layers of portland cement plaster, and also to any exterior finish system that incorporates a type of lath covered.
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