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屋頂材料作為建筑頂部外層，發生火災時受到建筑外部火災的作用，外部火焰具有火勢大、傳播快，空間不受限等特點，還可能附加風、熱輻射等作用，屋頂材料的外部火災測試標準主要有：美標ASTM E108（屋頂材料防火性能測試方法標準）、UL790, NFPA256, ISO12468, 歐盟ENV 1187, EN13501-5, BS476-3,南京睿督公司免費咨詢電話：025-8658 3475。

ASTM E108屋頂材料防火試驗標準－標準名稱
ASTM E108 Standard Test Methods for Fire Tests of Roof Coverings
ASTM E108 屋頂覆蓋物的防火試驗的標準試驗方法

ASTM E108屋頂材料防火試驗標準－適用范圍
1.1 This fire-test-response standard covers the measurement of the relative fire characteristics of roof coverings under simulated fire originating outside the building. It is applicable to roof coverings intended for installation on either combustible or noncombustible decks when applied as intended for use. The following test methods are included:
1.1.1 Intermittent flame exposure test.
1.1.2 Spread of flame test.
1.1.3 Burning brand test.
1.1.4 Flying brand test.
1.1.5 Rain test.

ASTM E108屋頂材料防火試驗－防火等級 Class A/Class B/Class C
1.2.1 Class A Tests are applicable to roof coverings that are effective against severe test exposure, afford a high degree of fire protection to the roof deck, do not slip from position, and do not present a flying brand hazard.
1.2.2 Class B Tests are applicable to roof coverings that are effective against moderate test exposure, afford a moderate degree of fire protection to the roof deck, do not slip from position, and do not present a flying brand hazard.
1.2.3 Class C Tests are applicable to roof coverings that are effective against light test exposure, afford a light degree of fire protection to the roof deck, do not slip from position, and do not present a flying brand hazard.

更多關于ASTM E108屋頂材料，請咨詢南京睿督公司
南京睿督公司咨詢電話：025-8658 3475   400-603-6575
網址：www.fire-test.com  
郵箱：info@fire-test.com
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