VinylEfx® Withstands Test Under Fire

An independent laboratory has tested and evaluated RTape’s VinylEfx® films for their surface burning characteristics. These tests were conducted according to the guidelines of the American Society for Testing and Materials’ ASTM E-84, which measure flame spread and the smoke index.

The ASTM E-84 testing procedure is used widely in the building industry in comparative ratings of materials used on ceilings and walls. The ASTM E-84 procedure is equivalent to those tests conducted according to Underwriters Laboratories UL 723; and ANSI/NFPA No 255 (ANSI stands for the American National Standards Institute; NFPA is the National Fire Protection Association).

ASTM testing is conducted inside a fire tunnel. Samples are subjected to an ignition source for seven seconds. The duration for the entire procedure is ten minutes. During this time, the flame must not spread beyond 24” for a satisfactory rating.

Results from the ASTM tests are classified in Class A, B or C categories, Class A being the most favorable rating. To achieve a Class A rating Class materials must have a Flame Spread Index between 1-25, and a Smoke Developed Index less than or equal to 450.

In evaluating the burning characteristics of RTape’s VinylEfx® films, samples of the metalized film were applied to gypsum board.  Tests of the film resulted in a Flame Spread Index rating of 20 and Smoke Developed Index rating of 25, placing VinylEfx® in the Class A category. Based on these results VinylEfx® films satisfy the requirements of the 2009 International Building Code® and the NFPA 5000 interior wall and ceiling covering standards. VinylEfx® films also meet the standards of UL94 V0, requiring materials to be self-extinguishing within 10 seconds of ignition.

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