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This specification covers woven burlap fabrics, saturated with either asphalt or refined coal-tar for use in the membrane system of roofing or waterproofing. Asphalt-saturated burlap fabric shall be used with asphalt base plying cement; typical ones are mopping asphalts or appropriate solvent-bearing bituminous materials. Coal-tar-saturated burlap fabric shall be used with coal-tar base plying cements; typical ones are coal-tar pitches or appropriate solvent-bearing bituminous materials. The fabric to be saturated shall be composed of 100 % jute fiber except for two cotton threads in each selvage. In the process of manufacture, the dry burlap fabric shall be saturated with bitumen. Different tests shall be conducted in order to determine the following properties of woven burlap fabrics: gross mass per roll, mass of wrapping material and mandrel, width of roll, width of selvage, average net mass per unit area, detached comminuted surfacing, moisture, average breaking strength, pliability, mass of desaturated fabric, mass of saturant, thread count, and ash content.
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.
Significance and Use
1.1 This specification covers woven burlap fabrics, saturated with either asphalt or refined coal-tar, as specified by the purchaser, for use in the membrane system of roofing or waterproofing or as specified by the manufacturer.
1.1.1 Asphalt-saturated burlap fabric shall be used with asphalt base plying cement; typical ones are mopping asphalts conforming to Specifications D312, D449, or appropriate solvent-bearing bituminous materials.
1.1.2 Coal-tar-saturated burlap fabric shall be used with coal-tar base plying cements; typical ones are coal-tar pitches conforming to Specification D450, or appropriate solvent-bearing bituminous materials.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D146 Test Methods for Sampling and Testing Bitumen-Saturated Felts and Woven Fabrics for Roofing and Waterproofing
D312 Specification for Asphalt Used in Roofing
D449 Specification for Asphalt Used in Dampproofing and Waterproofing
D450 Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing
D1079 Terminology Relating to Roofing and Waterproofing
AATCC StandardMethod30-1974 Test for Resistance of Textiles to Mildew and Rot Available from American Association of Textile Chemists and Colorists (AATCC), One Davis Dr., P.O. Box 12215, Research Triangle Park, NC 27709-2215.
ICS Number Code 91.100.50 (Binders. Sealing materials)
UNSPSC Code 30151503(Roofing fabrics); 30121601(Asphalt)