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