vertical ignition test (NFPA 701)

July 10, 2018 by Lisa League

And this is what was left…

NFPA 701 (vertical ignition test) measures the flammability of draperies, curtains and other window treatments.

Draperies that weigh less than 21 oz./yd. are tested separately from those that weigh more than 21 oz./yd. (ex. those with blackout linings). The test is pass/fail.

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