ASTM D6221/D6221M-00(2021)

Podrobné informace

Označení: ASTM D6221/D6221M-00(2021)

Datum vydání: 15.11.2021

Stran: 3

Země: Americká technická norma

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Anotace

This specification covers two types of factory prepared reinforced bituminous flashing sheets used for roofing and waterproofing systems. The bitumen used may be asphalt, coal-tar pitch, or polymer modified bitumen. The reinforcement may include any one or a combination of organic (wood fiber), polyester, or glass fiber felts, woven fabrics, or thermoplastic films. Fine mineral powders, granules, or metal foils may be used as surfacing. Specimens shall be sampled, be tested for, and consequently conform to dimensional and physical properties, as follows: mass; thickness; load-strain properties; impact resistance; tear strength and resistance; flexibility; breaking load; and elongation at break. Calculation procedures for the mean, estimated standard deviation, and mean variance of test values from specimens tested before and after heat conditioning are also detailed.


Keywords:
built-up, flashing for roofing, flashing for waterproofing, reinforced flashing,, ICS Number Code 91.100.50 (Binders. Sealing materials)