This specification covers non-asbestos, fiber-cement shingles, shakes, and slates (roofing products) of nominally uniform thickness (non-tapered) and texture, including accessories designed to provide the weather-exposed surfaces on roofs of buildings. Flexural strength; product modulus of rupture; breaking moment; density test; water absorption; moisture content; water tightness; frost resistance; warm water resistance; and heat/rain resistance shall be made to conform to the specified requirements.