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IS 15000:2001 is the Indian Standard (BIS) for surface protective coatings for concrete - specification. This standard specifies performance requirements and test methods for surface protective coating systems applied to concrete. It provides a framework for classifying coatings based on their ability to resist chemical attack, bridge cracks, control moisture ingress, and withstand abrasion, aiding in the selection of appropriate protection for concrete structures in various environments.
Specifies requirements for various types of surface protective coatings applied to concrete to enhance durability and appearance.
Overview
Status
Current
Usage level
Specialized
Domain
Materials Science — Admixtures and Chemical Products for Concrete
BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.
Practical Notes
! Surface preparation is the most critical factor for coating performance; the concrete substrate must be clean, dry, and have a suitable profile (e.g., via grit blasting).
! Always consult the manufacturer's technical data sheet for specific application parameters like pot life, re-coating intervals, and required Dry Film Thickness (DFT).
! Crucially, this 2001 version is obsolete. For all new projects and specifications, refer to its replacement, IS 15000:2019.
EN 1504-2:2004CEN (European Committee for Standardization), Europe
HighCurrent
Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 2: Surface protection systems for concrete
Directly specifies performance requirements for surface protection systems intended for concrete, based on principles of protection.
ACI 515.1R-20ACI (American Concrete Institute), USA
MediumCurrent
Guide for the Selection of Protective Barrier Systems for Concrete
Provides guidance on selecting protective systems for concrete, covering a similar scope but as a recommendatory guide rather than a mandatory specification.
AS/NZS 4548.5:1999Standards Australia / Standards New Zealand, Australia/New Zealand
MediumCurrent
Guide to long-life coatings for concrete and masonry — Part 5: Guide to the selection of coating systems
Functions as a guide for selecting coating systems for concrete, sharing the same objective but lacking the specific pass/fail criteria of IS 15000.
Key Differences
≠IS 15000 provides a single set of performance criteria, whereas EN 1504-2 provides a much more detailed framework, classifying systems by their intended function (e.g., moisture control, physical resistance, chemical resistance) with corresponding performance classes.
≠EN 1504-2 is a harmonized European standard linked to mandatory CE Marking for products sold in the EEA. IS 15000 is a national Indian standard linked to the ISI mark for the Indian market.
≠IS 15000 classifies coatings based on binder type (e.g., epoxy, polyurethane), while EN 1504-2 is material-agnostic and focuses purely on performance-based principles.
≠EN 1504-2 includes requirements for water vapour permeability (breathability) by defining three classes, a parameter not explicitly mandated as a general requirement in IS 15000's primary performance table.
Key Similarities
≈Both standards have the primary objective of specifying performance criteria for coatings to protect concrete structures from environmental attack and enhance durability.
≈Both standards mandate the pull-off test as the primary method for determining the crucial parameter of adhesion strength to the concrete substrate.
≈Key performance characteristics such as adhesion strength, water permeability, abrasion resistance, and chemical resistance form the basis of evaluation in both standards.
≈Both standards implicitly or explicitly recognize the critical importance of proper substrate preparation (cleaning, profiling, moisture content) for the long-term performance of the coating system.
Parameter Comparison
Parameter
IS Value
International
Source
Adhesion Strength (Pull-off)
≥ 1.5 N/mm² (MPa)
≥ 1.5 N/mm² for systems with traffic; ≥ 0.8 N/mm² for systems without traffic.
EN 1504-2:2004
Water Permeability (Capillary Absorption)
< 0.1 kg/(m²·h^0.5)
w < 0.1 kg/(m²·h^0.5)
EN 1504-2:2004
Abrasion Resistance (Taber Abraser)
Weight loss ≤ 50 mg (CS-17 wheel, 1000g, 1000 cycles)
Performance is classified. E.g., Class AR 2 requires < 150 mg weight loss per EN ISO 5470-1.
EN 1504-2:2004
Chemical Resistance
'No visible effect' after 7 days exposure to specified chemicals (e.g., 10% H₂SO₄, 10% NaOH).
Classified (e.g., Class I: no blistering/cracking and <50% reduction in hardness) after exposure per EN 13529.
EN 1504-2:2004
Water Vapour Permeability
Not specified as a mandatory requirement in the main table.
Classified: Class I (Permeable, Sd < 5m), Class II (5 ≤ Sd ≤ 50m), or Class III (Impermeable, Sd > 50m).
EN 1504-2:2004
⚠ Verify details from original standards before use
No, IS 15000:2001 has been superseded and replaced by IS 15000:2019. The 2019 version should be used.
How do I test if the coating is properly bonded to the concrete?+
Using a pull-off adhesion test as described in Annex B. A common minimum requirement is a strength of 1.5 N/mm².
What is a 'breathable' coating according to this code?+
A coating is considered 'breathable' or water vapour permeable if its equivalent air layer thickness for water vapour diffusion (Sd-value) is less than 5 meters.
Does this code specify which brand of coating to use?+
No, it is a performance-based specification. It defines the minimum performance criteria that any coating product must meet to be compliant, regardless of the manufacturer.