UL 790：屋面覆盖材料耐火性的测试(同ASTM E 108)
UL 790：Standard for Standard Test Methods for Fire Tests of Roof Coverings
Abstract 摘要
These requirements cover the fire resistance performance of roof coverings exposed to simulated fire sources originating from outside a building on which the coverings are installed. They are applicable to roof coverings intended for installation on either combustible or noncombustible decks when the roof coverings are applied as intended.
