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Description of ASTM-D4811 2006ASTM D4811 - 06Standard Specification for Nonvulcanized (Uncured) Rubber Sheet Used as Roof FlashingActive Standard ASTM D4811 | Developed by Subcommittee: D08.18 Book of Standards Volume: 04.04 ASTM D4811Abstract
This specification covers nonvulcanized (uncured) rubber sheet made of ethylene-propylene-diene terpolymer (EPDM) or polychloroprene (CR) intended for use as watertight roof flashing exposed to the weather. In-place roof system design criteria such as fire resistance, field seaming strength, material compatibility, and uplift resistance, among others, are beyond the scope of this specification. The flashing material shall be formulated from the appropriate polymer type and other compounding ingredients, and shall be capable of being bonded to itself, to the roofing membrane, and to substrate for making watertight field splices and repairs. Property requirements for flashing before vulcanization include thickness, Green strength modulus, ultimate elongation, shelf stability, vulcanizability, tensile strength and set, dimensional stability, and weatherability. Consequently, the property requirements for flashing after vulcanization includes tensile strength and set, elongation, tear resistance, brittle point, ozone resistance, air oven heat aging, water absorption and weight change, linear dimension change, and weatherability. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope
1.1 This specification covers nonvulcanized (uncured) rubber sheet made of EPDM (ethylene-propylene-diene terpolymer) or CR (polychloroprene) intended for use as watertight roof flashing exposed to the weather. 1.2 The tests and property limits used to characterize these flashing materials are specific for each classification and are minimum values to make the product fit for its intended purpose. 1.3 SI units shall be used in referee decisions. 1.4 In-place roof system design criteria, such as fire resistance, field seaming strength, material compatibility, and uplift resistance, among others, are beyond the scope of this specification. ASTM Standards D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers--Tension D471 Test Method for Rubber Property--Effect of Liquids D518 Test Method for Rubber Deterioration--Surface Cracking D573 Test Method for Rubber--Deterioration in an Air Oven D624 Test Method for Tear Strength of Conventional Vulcanized Rubber and Thermoplastic Elastomers D1079 Terminology Relating to Roofing and Waterproofing D1149 Test Methods for Rubber Deterioration--Cracking in an Ozone Controlled Environment D1204 Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated Temperature D1418 Practice for Rubber and Rubber Latices--Nomenclature D2137 Test Methods for Rubber Property--Brittleness Point of Flexible Polymers and Coated Fabrics D3182 Practice for Rubber--Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources G154 Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials G155 Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials Keywords chloroprene; EPDM; flashing; nonvulcanized; roofing; vulcanized; ICS Code ICS Number Code 83.060 (Rubber); 91.100.50 (Binders. Sealing materials) DOI: 10.1520/D4811-06 ASTM International is a member of CrossRef. ASTM D4811This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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