Fiber-Cement Roofing & Siding Standards

Fiber cement roofing & siding standards: :

This article lists ASTM and other standards for fiber cement roofing or siding, including fiber cement product properties, installation, maintenance & repair.

This article series provides descriptions of the field performance of fiber cement siding products and a detailed field investigation of several product failures: of fiber cement stain or coating peeling and cracking, and of gaps, shrinkage, and loose, buckled fiber cement siding.

We include fiber cement siding installation specifications, repair and maintenance and painting recommendations, and fiber cement siding manufacturer identification guides.

Fiber Cement Product Standards

Question: North American fibre cement product manufacturing standards?

2016/10/28 Laura Smith

What are the particular certifications that a Manufacturer must have in North America to sell Fibre cement products ( ie Miami Dade for wind)

Reply:

I'm not aware of manufacturer certifications for fiber cement siding nor have I seen separate wind-damage-resistance standards for fiber cement products; however for use in buildings some building products may be required to meet various building, ASTM, or UL or other code standards such as for fire safety.

• ASTM also describes this important committee:
• Committee C17 on Fiber-Reinforced Cement Products [Staff Manager: Mary Mikolaloveski 610-832-9678]
  
  ASTM Committee C17 on Fiber-Reinforced Cement Products was formed in 1946. C17 meets twice a year, in June and December, with about 20 members attending over two days of technical meetings.
  
  The Committee, with a membership of approximately 60, currently has jurisdiction of over 65 standards, published in the Annual Book of ASTM Standards, Volume 04.05. C17 has 5 technical subcommittees that maintain jurisdiction over these standards.
  
  Information on this subcommittee structure and C17's portfolio of approved standards and Work Items under construction are available from the List of Subcommittees, Standards and Work Items below.
  
  These standards have and continue to play a preeminent role in all aspects relating to asbestos and non-asbestos fiber reinforced cement roofing, siding, flat sheets, corrugated sheets, pipe and similar products deriving their essential properties from fiber and cement.

Fiber Cement Product & Product Testing Standards from ASTM

• ASTM C1186 - 08(2012) Standard Specification for Flat Fiber-Cement Sheets
  Abstract: 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, and so forth. This specification does not apply to asbestos-cement flat sheets, gypsum-based boards or particle boards, discrete non-asbestos fiber-cement interior substrate sheets, fiber-mat reinforced non-asbestos cement interior substrate sheets, or cement-bonded particleboards.
  
  Flat sheets covered here are divided into two types according to their intended application, and four grades according to their flexural strengths. Type A sheets are intended for exterior applications subjected to the direct action of sun, rain, or snow, while Type B sheets are intended for exterior applications not subjected to the direct action of sun, rain, or snow.
  
  Sheets shall adhere to the following mechanical and physical requirements: flexural strength, density, dimension (nominal length, width, and thickness, squareness, and edge straightness), finish, and color.
• ASTM C1185-08(2012) Standard Test Methods for Sampling and Testing Non-Asbestos Fiber-Cement Flat Sheet, Roofing and Siding Shingles, and Clapboards
• ASTM E2394-11 Standard Practice for Maintenance, Renovation, and Repair of Installed Asbestos Cement Products
• ASTM C725-90(2014) Standard Specification for Semidense Mineral Fiber Siding
• ASTM C1154-06(2011) Standard Terminology for Non-Asbestos Fiber-Reinforced Cement Products
• ASTM C1459-04(2014) Standard Specification for Performance of Non-Asbestos Fiber-Reinforced Cement Shake, Shingle, and Slate Roofing Systems
• ASTM C223-98(2014) Standard Specification for Asbestos-Cement Siding
• ASTM C1225-08(2012) Standard Specification for Fiber-Cement Roofing Shingles, Shakes, and Slates
• ASTM C221-98(2014) Standard Specification for Corrugated Asbestos-Cement Sheets
• ASTM C1530/C1530M-04(2014) Standard Specification for Non-Asbestos Fiber-Cement Roofing Shakes, Shingles, and Slates with Designed Varying Profiles and Thicknesses
• ASTM C1530/C1530M-04(2014) Standard Specification for Non-Asbestos Fiber-Cement Roofing Shakes, Shingles, and Slates with Designed Varying Profiles and Thicknesses
• ASTM C1325-14 Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cementitious Backer Units
• ASBESTOS & FIBER CEMENT ROOFING includes standards for other countries such as New Zealand fibre cement roofing

You'll see, using the above ASTM fiber cement product standards as an example, that the standards pertain to the properties of the product, not a "certification of the manufacturer" to make the product.

Fiber Cement (& Simlar) Products & Wind Damage Resistance Standards

Wind damage to fiber cement siding is not addressed separately from other wind damage and water intrusion standards. For example see

• ASTM E241-09(2014)e1 Standard Guide for Limiting Water-Induced Damage to Buildings
• ASTM E2128-12 Standard Guide for Evaluating Water Leakage of Building Walls
• ASTM C1225-08(2012) Standard Specification for Fiber-Cement Roofing Shingles, Shakes, and Slates
• ASTM C1570-03(2009) Standard Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Air Permeability Method)
• ASTM C1568-08(2013) Standard Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Mechanical Uplift Resistance Method)
• ASTM C1459-04(2014) Standard Specification for Performance of Non-Asbestos Fiber-Reinforced Cement Shake, Shingle, and Slate Roofing Systems

Also see

• Browne M., Irwin P., Garber J., Cicci M., Dale J., Parnell R. "Techniques for Predicting Cladding Design Wind Pressures", October 2007 -- JAI Volume 4, Issue 9JAI100862
  Abstract:
  With advances in wind tunnel methodologies in recent years, the measurement of wind loads on wind tunnel models of buildings and structures can be carried out with a high degree of accuracy.
  
  These results lead to more economical and risk-consistent structural designs than do code calculation methods. Five topics related to the prediction of cladding design wind pressures are examined in this paper:
  (1) wind tunnel testing and analysis methods,
  (2) integration of wind tunnel data with the full-scale wind climate,
  (3) evaluation of internal pressures,
  (4) duration of constant wind pressure for determining the load resistance of glass, and
  (5) computational fluid dynamics (CFD).
• WIND DAMAGED BUILDINGS for a discussion of wind damage to buildings
• WIND DAMAGE to ROOFS

Thanks for asking. I'll add the above to the article as it may help other readers.

...

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