Carpet Flame Spread Rating

Flame spread classes roofing classes and hourly ratings are confusing terms and they sometimes get misused.

Carpet flame spread rating.

What do the flame spread ratings mean. Carpets manufactured today mainly utilize synthetic materials. Awta fire tests provides testing to a broad range of industries within australasia and international markets including fibres yarns and textiles. Synthetic fiber carpets do not provide a food source for carpet beetles unlike natural fibers such as jute and other plant based materials wool yarns used in carpet are normally treated with insect resistant chemicals to help prevent attacks by beetles and other insects.

Shaw sports turf has demonstrated industry leadership in both quality and. Does not melt or drip if used vertically forms an insulating cool char and self extinguishes. Shaw sports turf shaw sports turf is one of the leading synthetic turf companies in north america. With unmatched innovations for installation and maintenance and a focus on cradle to cradle principles our cutting edge designs work beautifully with the rest of the.

Carpet beetles 141 kb. This value represents the threshold above which flame spread will occur. For example if the gypsum drywall is rated class a whether painted or unpainted the. Difficult to ignite due to a higher ignition temperature.

Contributes less to smoke or toxic gas formation compared to synthetic carpet pile fibers. Shaw hospitality group is dedicated to delivering new and innovative carpet and flooring designs to the hospitality industry worldwide. For example if the flame travels 19 1 2 feet in less than 5 1 2 minutes the time required for flame to spread on 19 1 2 feet of red oak the rating is 100 times 5 1 2 divided by the time minutes in which flame spreads 19 1 2 feet on the sample. The higher the critical radiant flux value the more resistant the material is to flame propagation.

When paints are applied to substrate materials that have been tested and classified interior paints and coatings have been found to have no effect on the flame spread index or smoke density index of rated materials. Low heat release properties and low heat of combustion. The distance the flooring system burns to extinguishment is converted to watts cm from a calibration graph and is reported as the critical radiant flux crf. Awta product testing is an independent materials testing facility available to government instrumentalities industry and the general public.

The first is based on the astm e 84 ul 723 test for surface burning characteristics of building materials the second is based on astm e 108 ul 790 test for fire performance of roofing materials.