ASTM C1186-99e1 - 3.2.2000
 
1. Scope

1.1 This specification covers either untextured or surface textured non-asbestos fiber cement flat sheets intended for exterior applications such as claddings, facades, curtain walls, soffits, etc.

1.2 This specification is not applicable to asbestos-cement flat sheets (Specification C 220), gypsum-based boards (Specifications C 442, C 630, C 1177, C 1178), or particle boards (Definitions D 1554) discrete non-asbestos fiber-cement interior substrate sheets (Specification C 1288), fiber-mat reinforced non-asbestos cement interior substrate sheets (Specification C 1325), or cement-bonded particleboards (Specification BS 5669: Part 4) and (ISO 8335).

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information only.

 
2. Referenced Documents

C1185-23

Standard Test Methods for Sampling and Testing Fiber-Cement Flat Sheet, Roofing and Siding Shingles, and Clapboards

C1325-25

Standard Specification for Fiber-Mat Reinforced Cementitious Backer Units

C1396/C1396M-24

Standard Specification for Gypsum Board

E84-26a

Standard Test Method for Surface Burning Characteristics of Building Materials (Includes all amendments and changes 4/15/2026).

ISO 8335

Cement-bonded ParticleboardsBoards of Portland or Equivalent Cement Reinforced with Fibrous Wood Particles

C220-91(1999)

Standard Specification for Flat Asbestos-Cement Sheets

C1154-25

Standard Terminology for Fiber-Reinforced Cement Products

C1177/C1177M-24

Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing

C1178/C1178M-24

Standard Specification for Coated Glass Mat Water-Resistant Gypsum Backing Panel

C1288-23

Standard Specification for Fiber-Cement Interior Substrate Sheets

D1554-10(2023)

Standard Terminology Relating to Wood-Base Fiber and Particle Panel Materials