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IS 14862 : 2000Fibre cement sheets and boards for roofing and general building purposes

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EN 12467 · EN 494 · ISO 8336
CurrentFrequently UsedSpecificationBIMMaterials Science · Roofing Materials
PDFGoogleCompareBIS Portal
Link points to Internet Archive / others. Not hosted by InfraLens. Details
OverviewValues6InternationalTablesFAQ4Related

IS 14862:2000 is the Indian Standard (BIS) for fibre cement sheets and boards for roofing and general building purposes. This standard specifies the requirements for non-asbestos fibre cement corrugated sheets and flat boards used for roofing, cladding, partitions, and general building purposes. It covers material composition, dimensions, physical properties like bending strength and water absorption, and testing methods.

Specifies requirements for asbestos-free fibre cement sheets and boards used in roofing and general building.

Overview

Status
Current
Usage level
Frequently Used
Domain
Materials Science — Roofing Materials
Type
Specification
Amendments
Amendment 1 (August 2003); Amendment 2 (February 2007)
International equivalents
EN 12467:2012+A2:2018 · CEN (European Committee for Standardization), EuropeEN 494:2012+A1:2015 · CEN (European Committee for Standardization), EuropeISO 8336:2017 · ISO (International Organization for Standardization)ASTM C1186 - 19 · ASTM International, USA
Typically used with
IS 13000IS 269IS 9103
Also on InfraLens for IS 14862
6Key values4Tables4FAQs

BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.

Practical Notes
! This code is exclusively for *non-asbestos* fibre cement sheets; do not confuse it with older asbestos cement (AC) sheet specifications.
! Pay close attention to the manufacturer's handling and installation instructions, as sheets can be brittle if improperly handled.
! Ensure correct overlap and use of specified accessories (e.g., self-drilling screws with EPDM washers) for weather-tightness.
Frequently referenced clauses
Cl. 4CompositionCl. 5ClassificationCl. 6Dimensions and TolerancesCl. 7Physical RequirementsAnnex A - Method for Determination of Water TightnessAnnex B - Method for Determination of Bending Moment
Pulled from IS 14862:2000. Browse the full clause & table index below in Tables & Referenced Sections.
Updates & Amendments2 amendments
Amendment 1 (August 2003)
Amendment 2 (February 2007)
Consolidated list per BIS. For the text of each amendment, refer to the BIS portal link above.
fibre cementasbestos-freecellulose fibrecement

International Equivalents

Similar International Standards
EN 12467:2012+A2:2018CEN (European Committee for Standardization), Europe
HighCurrent
Fibre-cement flat sheets - Product specification and test methods
Covers non-asbestos fibre-cement flat sheets for internal and external applications.
EN 494:2012+A1:2015CEN (European Committee for Standardization), Europe
HighCurrent
Fibre-cement corrugated sheets and fittings - Product specification and test methods
Covers non-asbestos fibre-cement corrugated sheets for roofing and cladding.
ISO 8336:2017ISO (International Organization for Standardization)
HighCurrent
Fibre-cement flat sheets — Product specification and test methods
Specifies requirements for non-asbestos fibre-cement flat sheets, closely aligned with EN 12467.
ASTM C1186 - 19ASTM International, USA
MediumCurrent
Standard Specification for Flat Fiber-Cement Sheets
Specifies requirements for non-asbestos flat fibre-cement sheets, but uses a different classification system.
Key Differences
≠IS 14862 classifies boards into Type A (external) and B (internal), whereas EN 12467 uses a more detailed category system (A, B, C, D) based on mechanical strength and intended exposure conditions.
≠For durability, IS 14862 specifies a 'Heat-Rain' test to simulate tropical monsoon conditions, which is not found in EN or ISO standards.
≠European standards (e.g., EN 12467) mandate a rigorous 'Freeze-Thaw' cycle test for sheets intended for external use in cold climates (Category A), a requirement not present in IS 14862.
≠EN standards require CE marking, which involves a Declaration of Performance (DoP) and extensive factory production control requirements, a more regulated system than the ISI mark certification for the Indian standard.
Key Similarities
≈All standards explicitly prohibit the use of asbestos fibres and define the product as a composite of cement reinforced with synthetic and/or cellulose fibres.
≈The fundamental test methods for key properties like Bending Strength (Modulus of Rupture - MOR) and density are based on the same physical principles across all standards.
≈All standards specify a water tightness or impermeability test for roofing sheets, ensuring no water drops form on the underside after a 24-hour period.
≈The general scope of all standards is consistent, covering the use of fibre cement sheets and boards for roofing, cladding, partitions, and other general building purposes.
Parameter Comparison
ParameterIS ValueInternationalSource
Bending Strength (MOR) - High Duty Flat Sheet≥ 13 MPa (for Type A boards, parallel to length)≥ 13 MPa (for Category A, Class 2 sheets)EN 12467
Apparent Density - High Duty Flat Sheet≥ 1250 kg/m³ (for Type A boards)≥ 1400 kg/m³ (for Category A, Density Class II)EN 12467
Water Tightness Test (Corrugated Sheets)No drop formation in 24 hoursNo drop formation in 24 hoursEN 494
Durability Test for External UseHeat-Rain Test: 50 cycles of heating and water immersionFreeze-Thaw Test: 100 cycles of freezing and thawingEN 12467
Breaking Load (Corrugated Sheets, Grade I)≥ 4000 N/mBending Moment ≥ 55 N.m/m (Class C1X - value is not directly comparable)EN 494
Water Absorption (Corrugated Sheets)< 28% by massValue to be declared by manufacturer; not a prescriptive limit in the standard itself.EN 494
⚠ Verify details from original standards before use

Key Values6

Quick Reference Values
Minimum Modulus of Rupture (Corrugated Sheet, Class A, longitudinal)14 MPa
Maximum Water Absorption (Corrugated Sheet, Class A)28 %
Minimum Density (Corrugated Sheet, Class A)1.40 g/cm³
Standard lengths of corrugated sheets1.5, 2.0, 2.5, 3.0 m
Water Tightness Test RequirementNo formation of water drops on the underside
Thickness Tolerance for Flat Sheets± 10% or 0.5 mm, whichever is greater

Tables & Referenced Sections

Key Tables
Table 1 - Dimensions of Corrugated Sheets
Table 2 - Physical Requirements for Corrugated Sheets
Table 3 - Physical Requirements for Flat Sheets
Table 4 - Tolerances for Flat Sheets
Key Clauses
Clause 4 - Composition
Clause 5 - Classification
Clause 6 - Dimensions and Tolerances
Clause 7 - Physical Requirements
Annex A - Method for Determination of Water Tightness
Annex B - Method for Determination of Bending Moment

Related Resources on InfraLens

Cross-Referenced Codes
IS 13000:1990Silica-asbestos-cement Flat Sheets
→
IS 269:2015Ordinary Portland Cement - Specification
→
IS 9103:1999Admixtures for Concrete - Specification
→

Frequently Asked Questions4

Is this standard for asbestos sheets?+
No, IS 14862 is exclusively for non-asbestos fibre cement products.
What is the minimum bending strength (MOR) for a corrugated roofing sheet?+
For Class A corrugated sheets, the minimum Modulus of Rupture is 14 MPa in the longitudinal direction (Table 2).
What are the standard lengths of corrugated sheets?+
Standard lengths are 1.5, 2.0, 2.5, and 3.0 meters (Table 1).
What is the maximum allowed water absorption?+
For Class A corrugated sheets, the maximum water absorption is 28% by mass (Table 2).

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