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ASTM D6878-08e1

Current Revision

Standard Specification for Thermoplastic Polyolefin Based Sheet Roofing

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1.1 This specification covers flexible sheet made from thermoplastic polyolefin (TPO) as the principal polymer, intended for use in single-ply roofing membranes exposed to the weather. The sheet shall contain reinforcing fabrics or scrims.

1.2 The tests and property limits used to characterize the sheet are values intended to ensure minimum quality for the intended purpose. In-place roof system design criteria, such as fire resistance, field seaming strength, material compatibility, and uplift resistance, among others, are factors which should be considered but are beyond the scope of this specification.

1.3 The values stated in SI units are to be regarded as the standard. The values stated in parentheses are for information only.

1.4 This standard may involve hazardous materials, operations, and equipment. 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 requirements prior to use.

This specification covers flexible sheet made from thermoplastic polyolefin (TPO) as the principal polymer, intended for use in single-ply roofing membranes exposed to the weather. The sheet shall contain reinforcing fabrics or scrims. The sheet shall be formulated from ethylene and higher alpha-olefin polymers, copolymers, and mixtures thereof, in amounts greater than 50 %, by weight of the total polymer content suitably compounded to satisfy the physical requirements specified. The sheet shall be capable of being heat welded, fused, or adhesively bonded to itself for making watertight field splices and repairs and shall be reinforced with fabric or scrim. Different tests shall be performed in order to determine the following physical properties of thermoplastic polyolefin sheets: dimensions, sheet overall thickness, coating thickness over scrim, breaking strength, elongation at break, tearing strength, brittleness point, ozone resistance, heat aging, linear dimensional change, water absorption, factory seam strength, and weather resistance.


SDO ASTM: ASTM International
Document Number D6878
Publication Date July 1, 2008
Language en - English
Page Count 4
Revision Level 08e1
Supercedes
Committee D08.18
Publish Date Document Id Type View
July 1, 2008 D6878-08E01 Revision
July 1, 2008 D6878-08 Revision
Sept. 1, 2006 D6878-06A Revision
July 15, 2006 D6878-06 Revision
April 10, 2003 D6878-03 Revision