ASTM C1185-23 PDF

Full title and description

Standard Test Methods for Sampling and Testing Fiber‑Cement Flat Sheet, Roofing and Siding Shingles, and Clapboards — ASTM C1185‑23. This standard specifies procedures for sampling and performing a set of physical and durability tests on non‑asbestos fiber‑cement flat sheets and cladding products (roofing shingles, siding shingles, and clapboards).

Abstract

These test methods cover sampling and testing of non‑asbestos fiber‑cement flat sheets, roofing shingles, siding shingles, and clapboards (smooth or surface‑textured). Included test methods address inspection by attributes and variables, acceptable quality level (AQL) sampling, flexural strength, density, dimensional measurements, moisture movement and content, water absorption and watertightness, and accelerated durability exposures such as freeze/thaw, warm‑water, and heat/rain (wall and roof) tests.

General information

• Status: Active.
• Publication date: 2023 (latest revision/version designated C1185‑23; ASTM record shows last update in December 2023).
• Publisher: ASTM International.
• ICS / categories: Products in fibre‑reinforced cement (ICS 91.100.40).
• Edition / version: C1185‑23.
• Number of pages: 9.

Scope

The standard provides methods for sampling and testing fiber‑cement flat sheets and related cladding products (roofing and siding shingles, clapboards) to evaluate physical properties and durability. It is intended for non‑asbestos fiber‑cement products and is used to support product specifications and conformity evaluation (it is referenced in specifications such as C1186, C1225, C1288, and C1325). Units are given in inch‑pound as standard with SI conversions for information.

Key topics and requirements

• Sampling plans and inspection levels (acceptable quality level, inspection by attributes and variables).
• Flexural strength (modulus of rupture) testing for flat sheets and shingles.
• Density and dimensional measurements (length, thickness, edge straightness).
• Moisture‑related properties: moisture content, moisture movement (linear change) and equilibrium conditioning.
• Water absorption and water‑tightness tests.
• Durability/accelerated exposures: freeze/thaw (cladding and roofing products), warm‑water, and heat/rain exposures for wall and roof assemblies.
• Requirements and procedures to support evaluation for use with related product specifications (e.g., flat fiber‑cement sheet specifications).

Typical use and users

Used by fiber‑cement manufacturers, independent testing laboratories, quality control and QA personnel, specification writers, product certifiers, and building code or procurement authorities to verify material properties and durability claims and to support product specifications and acceptance criteria.

Related standards

Referenced/associated ASTM standards include specifications and test methods for flat fiber‑cement sheets and related products such as ASTM C1186 (flat fiber‑cement sheets), C1225, C1288, and C1325 (products and related test/spec documents). Users commonly consult those related specifications when applying C1185 test results to product acceptance and procurement.

Keywords

fiber‑cement, flat sheet, roofing shingles, siding shingles, clapboards, sampling, AQL, flexural strength, density, dimensional measurements, moisture movement, water absorption, watertightness, freeze/thaw, heat/rain, accelerated aging.

FAQ

Q: What is this standard?

A: ASTM C1185‑23 is a set of standardized test methods for sampling and testing non‑asbestos fiber‑cement flat sheets and cladding products (roofing and siding shingles, and clapboards).

Q: What does it cover?

A: It covers sampling plans, inspection methods, and a suite of physical and durability tests (flexural strength, density, dimensional checks, moisture properties, water absorption/watertightness, and accelerated exposures such as freeze/thaw and heat/rain).

Q: Who typically uses it?

A: Manufacturers, testing labs, QA/QC personnel, specifiers, certifiers, and building officials use it to evaluate product performance and to support compliance with product specifications.

Q: Is it current or superseded?

A: The C1185‑23 designation indicates the 2023 revision; ASTM lists this version as active (latest revision recorded in 2023). Users should confirm the edition when purchasing or citing the standard.

Q: Is it part of a series?

A: C1185 is commonly used alongside related ASTM product specifications and test standards for fiber‑cement products (e.g., C1186 for flat sheets and other referenced specifications such as C1225, C1288, C1325) to form a complete specification and test regime for product acceptance.

Q: What are the key keywords?

A: Key keywords include fiber‑cement, AQL, flexural strength, moisture movement, water absorption, freeze/thaw, heat/rain, density, dimensional measurement, shingles, clapboards.