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This specification covers the requirements for two types and two classes of asbestos-containing asphalt roof cement consisting of an asphalt base, volatile petroleum solvents, and mineral stabilizers including asbestos fiber, mixed to a smooth, uniform consistency suitable for trowel application to roofing and flashing. Type I is made from asphalts characterized as self-healing, adhesive, and ductile, while Type II is made from asphalt characterized by high softening point and relatively low ductility. Class I is used for application to essentially dry surfaces, while Class II is used for application to damp, wet, or underwater surfaces. The cements shall meet specified composition limits of water, nonvolatile matter, asbestos and other mineral stabilizers, asphalt, and mineral matter based on original mass of insoluble residue. They shall also conform to physical requirements such as uniformity, workability, pliability and behavior at given temperatures, and adhesion to damp, wet, or underwater surfaces.
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.
1.1 This specification covers asbestos-containing asphalt roof cement used for trowel application to roofings and flashings.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.3 The following safety hazards caveat pertains only to the test methods described in this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D312 Specification for Asphalt Used in Roofing
D449 Specification for Asphalt Used in Dampproofing and Waterproofing
D946 Specification for Penetration-Graded Asphalt Cement for Use in Pavement Construction
D1079 Terminology Relating to Roofing and Waterproofing
D6511 Test Methods for Solvent Bearing Bituminous Compounds
ICS Number Code 91.100.40 (Products in fibre-reinforced cement)
UNSPSC Code 30111601(Cement)