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Scope

1.1 This test method measures the flexibility of roofing or waterproofing sheet materials or membranes by bending the test material over a block containing arcs of specific radii at a standard temperature.

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

Significance and Use

This test method is designed to aid those interested in the engineering properties of roofing and waterproofing sheet materials and membranes.

This test method enables a researcher to measure the relative flexibility of roofing and waterproofing sheet materials and membranes under standard conditions in the laboratory.

The data obtained from this test method will not permit prediction of the service life of a membrane. Membrane flexibility is important during application, and changes in flexibility are believed to be linked to the performance of roofing and waterproofing membranes, but the actual link between test data and performance is unknown and is dependent on the materials and exposure.

Keywords

cracking resistance; flexibility; roofing membrane; waterproofing membrane

To find similar documents by ASTM Volume:

04.04 (Roofing and Waterproofing)

To find similar documents by classification:

91.120.30 (Waterproofing Sealing materials, see 91.100.50)

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