The minnesota lath and plaster bureau has promoted the industry since 1953. Comply with manufacturers instructions for installation of lahabra fastwall 300 stucco. Installation guidelines eldorado stone, part of the headwaters stone division, endorses and supports the. The concrete specimens were made of both ordinary portland cement and ordinary portland cement with 10% silica fume as a. I found the most useful information at the very end when you are shown several stuccoplaster finishes with a brief instruction on how to achieve that finish. The terms stucco and portland cement based plaster are often used interchangeably in the trade. The terms stucco and portland cementbased plaster are often used interchangeably in the trade. Cement plaster fg qp1250 to apply as fine thin coat plaster on ceilings and rough cement plaster surfaces. It provides services to architects, the construction community and the public on a variety of matters relating to the plastering trades. Substrates substrates can be either metal lath, unit masonry, monolithic concrete, or a recommended gypsum base, cement board or gypsum fiber panel. The plaster will adhere to a surface and harden, preserving any form and texture imparted to it while plastic. The four basic ingredients for making concrete are.
Where indicated, provide portland cement plaster assemblies identical to those of assemblies tested for fire resistance per astm e119 by a qualified testing agency. Portland cement plasterstucco manual contractor campus. 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. How to plaster with portland cement adding accelerator.
This guide, however, refers to stucco as plaster that is applied to an exterior surface, and portland cementbased plaster as plaster that is applied to either an interior or. This section specifies lathing and portland cement based plaster. Portland cement plaster stucco is a building facing material consisting of portland. We have seldom seen the manufacturers instructions followed to the letter in the field. This howto guide and technical manual contains everything you need to know about plastering and stucco. Stucco and plaster have been around for millennia, but the discovery of portland cement strengthened them. Portland cement plaster is usually applied in three. Perform work in accordance with current portland cement association plasterstucco manual eb049 and aci 524r guide to portland cement based plaster.
Standard specification for installation of steel framing members to receive screwattached. Application of portland cementbased plaster physicalchemical properties quikrete finish coat stucco is a portland cement based finishing plaster complying with astm c926 requirements for type f plaster. 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. The strength of concrete mixture depends on the ratio in which these four ingredients are mixed. White cement meeting astm c150, astm c595, or astm c1157 white cement is used in plaster, concrete, and masonry materials for a variety of architectural and decorative applications. This fifth edition, illustrated with numerous color photos, contains essential information on materials, bases, mixes, hand and machine applications, and curing. Cement plaster is a homogenous mixture of portland cement, fine aggregates, and water. White cement is specified in these applications for its color consistency, appearance and the ability to create a durable, rocklike. Most aci standards and committee reports are gathered together in the annually revised aci manual of. Other than that, the advice printed in this short manual produced by the portland cement association can be found at numerous web sites. Portland cement plaster is mixed on the job by combining plastering sand, portland cement, a plasticizing agent, and enough water to produce a consistency suitable for the application method youll be using. The result will be popular attractive stucco finish having the toughness and durability of concrete.
Bonding compounds, including application instructions. Plaster plaster stucco manualortland cement portland. 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. Astm c 926 standard specification for application of portland cementbased plaster.
Do not install plaster during wind greater than 10 mph and, if wind commences after plastering has begun, immediately protect the plaster from wind by all means necessary until the plaster has set. Portland cement plaster stucco manual fifth edition by john m. Cad drawings of portland cement plastering caddetails. A number in parentheses indicates the year of last reapproval. Stucco, the common term for portland cement plaster, is a popular exterior finish for buildings. It provides an economical hard surface that is rot, rust, and fire. Standard specification for application of portland cement. Lahabra fastwall 300 stucco assembly with acrylic or elastomeric finish. Provide portland cement based plaster where cement plaster stucco is shown and specified, and as follows. Pca portland cement association plaster stucco manual. Astm c 1063 standard specification for installation of lathing and furring for portland cement based plaster. Brodie, 1992, nature, 467 pages medicinal plants of east africa is a revised edition of the book first published in 1976 on herbal remedies and he traditional. Plaster systems typically consist of a substrate, a basecoat plaster and a finish plaster. Standard specifications for portland cementbased plaster are covered in astm documents.
For terminology on gypsum plaster, refer to latest edition of portland cement plaster stucco manual by portland cement association and astm c11 standard terminology relating to gypsum and related building materials and systems. Portland cement consists of four major clinker compounds, c 3 s, c 2 s, c 3 a, and c 4 af together with the gypsum added during grinding. Work under this section shall include all materials and installation for portland cement plaster stucco siding as shown and detailed on the drawings and specified herein. Plasterers manual for applying portland cement stucco and. 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 stucco resource guide, 1998. Portland cementbased plaster and stucco specifications. Use the same size of container for measuring all the materials in a batch.
The relative portions of these compounds can be changed to optimize specific properties of the cement discussed in more detail below. To plaster 100 square metres 15 millimeters thick you will need. It is strong, durable, waterproof in the common sense of the term, and can be furnished in a wide range of colors and textures. Manual on plasterers tools, application, and finishes. This portland cement association publication covers most aspects of the plastering and stucco trade. Application of portland cementbased plaster florida building code. Portland cement plaster, and the guidelines given in the portland cement plaster stucco manual in applying the plaster. When patching plaster, each succeeding coat is cut back further than the preceding coat, the base coat being the smallest area and the finish coat being the largest area to be patched. Generally, opc 43 and opc 53grade cement is mixed with sand the fine aggregate in different proportions. This guide, however, refers to stucco as plaster that is applied to an exterior surface, and portland cement based plaster as plaster that is applied to either an interior or exterior surface. Standard specification for application of portland cementbased plaster1 this standard is issued under the fixed designation c926. Repair of portland cement plaster stucco a a a a aa aa a a a a a aa a a a a a finish coat brown coat scratch coat metal lath building paper fig. A more indepth discussion of the test procedures can be found in the design and control of concrete mixtures published by the portland cement association and the standard specifications for transportation materials and.
Steel sheet, hotdip galvanized, commercial quality e. Threecoat work is to be used over all metal plastering bases, with or without solid backing. Ppc cement is preferred in place of opcgrade cement for plastering. Interior and exterior portland cementbased plaster astm c28 standard specification for plastic stucco cement astm e72 standard test mix consistency and eliminates the disposal of methods of. Plasterers manual for applying portland cement stucco and plaster. It is widely recognized as an education and technical spokesman for the industry. For unlimited design possibilities in a tough, durable, and beautiful exterior cladding, remember traditional portland. Cementitious exterior wall coating or exterior cement plaster stucco ansi accredited evaluation service an ansi accredited or equivalent thirdparty organization that issues an evaluation report. Pruter authored the plaster and drywall systems manual. Concrete mix ratio is a vital topic in concrete mix design. A code approved water resistive barrier and lath are required. Interior portland cement plasterwork on metal lath and solidplaster bases. Concrete mix ratios cement, sand, aggregate and water. Download free, highquality cad drawings, blocks and details of portland cement plastering organized by masterformat.
This guide provides information on the plastering process, including prequalification of materials, plaster tool and equipment suggestions, mixture proportions, application procedures, finish types, and troubleshooting and repair. 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. Precautions the following points apply to all products made from portland cement. Manufacturers standard factoryblended stucco basecoat concentrate consisting of portland cement, hydrated lime, alkali resistant. This is an essential reference for any contractor testing for a plastering and stucco contractor license. Plasterers manual for applying portland cement stucco and plaster by portland cement association.