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IS 2849 : 1983non-load bearing gypsum partition blocks (solid and hollow types)

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EN 12859 · ASTM C52/C52M-14(2020)
CurrentSpecializedSpecificationBIMMaterials Science · Building Limes and Gypsum Products
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Link points to Internet Archive / others. Not hosted by InfraLens. Details
OverviewValues5InternationalTablesFAQ3Related

IS 2849:1983 is the Indian Standard (BIS) for non-load bearing gypsum partition blocks (solid and hollow types). This standard specifies the physical requirements, dimensions, and tolerances for solid and hollow gypsum blocks used for constructing non-load bearing interior partition walls.

non-load bearing gypsum partition blocks (solid and hollow types)

Overview

Status
Current
Usage level
Specialized
Domain
Materials Science — Building Limes and Gypsum Products
Type
Specification
International equivalents
EN 12859:2011 · CEN (European Committee for Standardization), European UnionASTM C52/C52M-14(2020) · ASTM International, USA
Typically used with
IS 2542IS 1288IS 2547
Also on InfraLens for IS 2849
5Key values1Tables3FAQs

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

Practical Notes
! Gypsum blocks are strictly meant for interior dry areas; they must not be used in external walls or wet areas (like bathrooms) without specialized waterproofing.
! Hollow gypsum blocks are excellent for reducing the dead load on floor slabs while maintaining the required partition thickness.
! Use a compatible gypsum-based jointing compound or adhesive rather than standard cement mortar to prevent shrinkage cracks.
Frequently referenced clauses
Cl. 4Dimensions and TolerancesCl. 5Physical RequirementsCl. 6Sampling and Criteria for ConformityCl. 7Marking
Pulled from IS 2849:1983. Browse the full clause & table index below in Tables & Referenced Sections.
gypsumpartition blocksmasonryinterior finishes

International Equivalents

Similar International Standards
EN 12859:2011CEN (European Committee for Standardization), European Union
HighCurrent
Gypsum blocks - Definitions, requirements and test methods
Specifies requirements and test methods for prefabricated gypsum blocks for partitions and linings.
ASTM C52/C52M-14(2020)ASTM International, USA
HighCurrent
Standard Specification for Gypsum Partition Tile or Block
Covers requirements for solid and hollow gypsum partition blocks for non-load-bearing applications.
BS 4022:1970BSI (British Standards Institution), United Kingdom
MediumWithdrawn
Specification for building-gypsum blocks
Historical standard from a similar era, specifying dimensions, strength, and materials for gypsum blocks.
DIN 18163-1DIN (Deutsches Institut für Normung), Germany
MediumWithdrawn
Gypsum blocks - Part 1: Blocks for interior use with smooth surfaces
German national standard for gypsum blocks, now harmonized under the EN standard.
Key Differences
≠IS 2849:1983 provides a single minimum compressive strength (5 N/mm²), whereas modern standards like EN 12859 classify blocks by density (low, medium, high) which relates to strength, without a single universal minimum.
≠The Indian standard is dated (1983) and lacks requirements for modern performance metrics like standardized fire reaction classification (e.g., Euroclass A1) or detailed acoustic performance data (Rw in dB), which are integral to EN 12859.
≠Dimensional tolerances in IS 2849:1983 (e.g., ±2 mm for thickness) are generally looser than those specified in EN 12859 (e.g., ±1 mm for thickness), reflecting advances in manufacturing precision.
≠EN 12859 and ASTM C52 explicitly reference a suite of other standards for test methods (e.g., for fire, acoustics, strength), while IS 2849 describes most test procedures within the document itself.
Key Similarities
≈All standards cover the same fundamental product: pre-fabricated gypsum blocks intended for constructing non-load-bearing interior partitions.
≈The core material specified is calcium sulfate dihydrate (gypsum), and all standards accommodate blocks made from both natural and synthetic (e.g., flue-gas desulfurization) gypsum.
≈All compared standards recognize and provide specifications for both solid and hollow (cored) block types.
≈Key physical properties such as compressive strength, density, and water absorption are considered critical and are specified in all the standards, even if the values or test methods vary slightly.
Parameter Comparison
ParameterIS ValueInternationalSource
Compressive Strength (Minimum Average)5.0 N/mm²5.2 MPa (750 psi) which is ~5.2 N/mm²ASTM C52/C52M-14(2020)
Density (Solid Blocks)960 - 1280 kg/m³Medium density: 800-1100 kg/m³; High density: >1100 kg/m³EN 12859:2011
Water Absorption (2 hr immersion)Max 5% by massMax 5% by massASTM C52/C52M-14(2020)
Standard Thicknesses60, 75, 100, 120 mmCommon classes include 50, 70, 80, 100 mmEN 12859:2011
Thickness Tolerance± 2.0 mm± 1.0 mmEN 12859:2011
Fire PropertyDefined as 'non-combustible' in descriptive terms.Classified as Euroclass A1 (non-combustible) per EN 13501-1.EN 12859:2011
Drying ShrinkageNot specifiedMax 0.1 mm/m for low-density, Max 0.2 mm/m for medium/high-densityEN 12859:2011
⚠ Verify details from original standards before use

Key Values5

Quick Reference Values
Standard Length700, 600 or 500 mm
Standard Height300, 250 or 200 mm
Common Solid Block Thickness50, 75, or 100 mm
Common Hollow Block Thickness75, 100, 125, or 150 mm
Surface Flame SpreadClass 1 (inherent to gypsum)

Tables & Referenced Sections

Key Tables
Table 1 - Standard Dimensions of Blocks
Key Clauses
Clause 4 - Dimensions and Tolerances
Clause 5 - Physical Requirements
Clause 6 - Sampling and Criteria for Conformity
Clause 7 - Marking

Related Resources on InfraLens

Cross-Referenced Codes
IS 2542:1999Methods of Test for Gypsum Plaster, Concrete ...
→
IS 1288:2000Methods of Test for Mineral Insulating Oils U...
→
IS 2547:2000gypsum building plaster, Part 1: Excluding pr...
→

Frequently Asked Questions3

Can these blocks be used for structural or load-bearing purposes?+
No, they are exclusively designed and specified for non-load bearing interior partitions.
Which code should be referred to for testing these gypsum blocks?+
IS 2542 (Methods of test for gypsum plaster, concrete and products) is used for testing compressive strength and water absorption.
What is the primary advantage of hollow gypsum blocks?+
They provide a lighter partition wall solution, which reduces dead load on the structure and can offer improved acoustic properties.

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