ASTM C1516-2005 Standard Practice for Application of Direct-Applied Exterior Finish Systems《直接应用的外部装饰系统应用的标准实施规程》.pdf
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1、Designation: C 1516 05Standard Practice forApplication of Direct-Applied Exterior Finish Systems1This standard is issued under the fixed designation C 1516; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision.
2、 A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This practice covers the minimum requirements andprocedures for field application of Direct-applied ExteriorFinish Systems (DEFS).
3、 Direct-applied exterior finish systemsare coating systems applied over various substrates withnon-metallic reinforcing mesh, in which the base coat rangesfrom not less than116 in. (1.6 mm) to332 in. (2.4 mm) in drythickness, depending on the mass of the reinforcing mesh. Thisbase coat is subsequent
4、ly covered with a finish coat that isavailable in a variety of textures and colors.1.2 The values stated in inch-pound units are to be regardedas the standard. The metric values given in parentheses areapproximate and are provided for information purposes only.1.3 This standard may involve hazardous
5、 materials, opera-tions and equipment. This standard does not purport to addressall of the safety concerns, if any, associated with its use. It isthe responsibility of the user of this standard to establishappropriate safety and health practices and determine theapplicability of regulatory limitatio
6、ns prior to use.2. Referenced Documents2.1 ASTM Standards:2C11 Terminology Relating to Gypsum and Related Build-ing Materials and SystemsC 1063 Specification for Installation of Lathing and Furringto Receive Interior and Exterior Portland Cement-BasedPlasterC 1177/C 1177M Specification for Glass Mat
7、 Gypsum Sub-strate for Use as SheathingC 1186 Specification for Flat Non-Asbestos Fiber-CementSheetsC 1278/C 1278M Specification for Fiber-Reinforced Gyp-sum PanelC 1325 Specification for Non-Asbestos Fiber-Mat Rein-forced Cement Substrate SheetsE 1825 Guide for Evaluation of Exterior Building WallM
8、aterials, Products, and Systems3. Terminology3.1 Definitions used in this standard shall be in accordancewith Terminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 accessories, npreformed metal, fiberglass or plasticmembers used to form corners, edges, control joints, ordecorative
9、 effects.3.2.2 back wrapping, na deprecated term. See wrap.3.2.3 base coat, na material, either factory or field-mixed,used to cover the substrate and to encapsulate the reinforcingmesh.3.2.4 cold joint, nthe visible junction in an exterior finish.3.2.5 cure, vto develop the ultimate properties of a
10、 wetstate material by a chemical process.3.2.6 dry, vto develop the ultimate properties of a wetstate material solely by evaporation of volatile ingredients.3.2.7 durability, nthe capability of a building, assembly,component, product, or construction to maintain serviceabilityover not less than a sp
11、ecified time.3.2.8 embed, vto encapsulate a non-metallic reinforcingmesh in either the joint compound or exterior finish.3.2.9 expansion joint, na structural separation betweenbuilding elements that allows independent movement withoutdamage to the assembly.3.2.10 factory mixed, na material that is p
12、repared at thepoint of manufacture and is ready to use without the additionof other materials, except possibly water to adjust consistency.3.2.11 field mix, na material that is mixed in the field withother components and/or water.3.2.12 finish coat, nthe final wet state material, thatprovides color
13、or additional texture, applied over the reinforcedbase coat.3.2.13 flash set (quick set), nthe early hardening orstiffness in the working characteristics of a Portland-cementpaste, mortar, or concrete, usually with the evolution ofconsiderable heat; stiffness cannot be dispelled nor the plastic-ity
14、regained by further mixing without addition of water; alsoknown as “quick set.”1This practice is under the jurisdiction of ASTM Committee C11 on Gypsumand Related Building Materials and Systems and is the direct responsibility ofSubcommittee C11.05 on Application of Exterior Insulating and Finish Sy
15、stems andRelated Products.Current edition approved October 1, 2005. Published October 2005. Originallyapproved in 2002. Last previous edition approved in 2002 as C 1516 02.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For An
16、nual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.2.14 f
17、raming member, nstuds, joist, runners (tracks),bridging, bracing, and related accessories manufactured orsupplied in wood or hot or cold formed steel.3.2.15 initial grab, nthe ability of a wet state material toremain in place initially after it has been applied.3.2.16 initial set, na time related se
18、t caused by thehydration process.3.2.17 lamina, ncomposite of base coat, reinforcement,and finish coat.3.2.18 mechanical fastener, ncorrosion resistant compo-nent used to attach the substrate to the framing member.3.2.19 reinforcing mesh, na non-metallic component ofthe DEFS encapsulated in the base
19、 coat to strengthen thesystem.3.2.19.1 DiscussionNon-metallic reinforcing mesh isavailable in various weights to achieve different levels ofimpact and stress resistance.3.2.20 pot life, nthe duration of time that the wet statematerial remains workable after it has been mixed.3.2.21 primers, nliquid
20、coatings applied to improve theadhesion of the DEFS to the substrate.3.2.21.1 DiscussionPrimers are sometimes applied to im-prove the water resistance of cementitious base coats.3.2.22 reinforced base coat, nbase coat that has beenreinforced with a non-metallic reinforcing mesh.3.2.23 substrate, nsu
21、rface to which the DEFS is applied.3.2.24 surface sealer, nmaterial used to enhance weatherresistance.3.2.25 temper, vto bring to a workable state by addingwater.3.2.26 texture, nany surface appearance as contrasted to asmooth surface.3.2.27 wet edge, nthe leading edge of a continuouslyapplied wet s
22、tate material.3.2.28 wet state materials, nthe adhesive, base coat andfinish coat components applied in liquid or semi-liquid state.4. Significance and Use4.1 This practice provides minimum requirements for theapplication of Direct-applied Exterior Finish Systems. Therequirements for materials, mixt
23、ures, and details shall becontained in the project plans and specifications.5. Delivery of Materials5.1 All materials shall be delivered in packages, containers,or bundles with the identification and markings intact.6. Inspection6.1 Inspection of the materials shall be agreed upon betweenthe purchas
24、er and the supplier as part of the purchase agree-ment.7. Rejection7.1 Materials that are damaged, frozen or in any waydefective shall not be used. Rejection of materials shall bepromptly reported verbally to the producer and immediatelyreported in writing. The notice of rejection shall contain asta
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