ASTM C1185

Full Name

ASTM C1185 – Standard Test Methods for Sampling and Testing Non-Asbestos Fiber-Cement Flat Sheet, Roofing and Siding Shingles, and Clapboards


These test methods cover sampling and testing of non-asbestos fiber-cement flat sheets, roofing shingles, siding shingles, and clapboards. These products may be smooth or surface textured.

  1. These test methods are utilized in evaluating products cited in Specifications C1186, C1225, C1288, and C1325.


accelerated aging; acceptable quality limit (AQL); cellulose fiber; clapboards; cracking; delamination; density; dimensional measurements; edge straightness measurement; equilibrium conditioning; flat sheet; flexural; freeze/thaw; granulated surface; heat/rain; inspection by attributes; inspection by variables; length measurement; linear change; longterm chemical interaction; modulus of rupture; moisture content; moisture movement; non-asbestos fiber cement; polyethylene fiber; polyvinyl alcohol fiber; radiant heat; roofing; sample conditioning; sample testing; sampling; sampling by attributes; sampling by variables; sampling schemes; saturated conditioning; serviceability; shakes; shingles; siding; slates; smooth surface; squareness measurement; strength; textured surface; thickness measurement; warm water; water absorption; water displacement method; water tightness; weather degradation; weathering exposure; weatherproofing; wet conditioning; width measurement