ASTM C1705

Full Name

ASTM C1705 – Standard Specification for Structural Cementitious Panels


This specification covers structural cementitious panels. Structural cementitious panels are non-combustible, water durable, fiber reinforced inorganic composite panels intended for use as structural panels.

Structural cementitious panels can be used as floor, roof and wall sheathing when fastened to supports spaced in accordance with the appropriate span rating.


bending stiffness; density; dimensional tolerance; inspection; long-term durability; mold resistance; moment capacity; noncombustibility; quality assurance; sampling; stability performance; structural cementitious panel; structural performance; surface burning