Similar International Standards
BS 8000-3:2020BSI (British Standards Institution), UK
HighCurrent
Workmanship on construction sites. Masonry. Code of practice
Covers workmanship for all types of masonry, including natural stone, focusing on construction practice.
TMS 602-16The Masonry Society, USA
HighCurrent
Specification for Masonry Structures
Provides quality and construction requirements for masonry, including stone, intended for use in project specifications.
EN 1996-2:2006CEN (European Committee for Standardization), Europe
MediumCurrent
Eurocode 6: Design of masonry structures - Part 2: Design considerations, selection of materials and execution of masonry
The 'execution of masonry' section provides a code of practice, though it is integrated with the Eurocode design framework.
AS 3700:2018Standards Australia, Australia
MediumCurrent
Masonry structures
A comprehensive standard for design and construction, with specific clauses for stone masonry workmanship.
Key Differences
≠IS 1597 specifies prescriptive volumetric mortar mixes (e.g., 1:3 cement:sand), whereas international standards like TMS 602 (referencing ASTM C270) or EN 1996-2 (referencing EN 998-2) more commonly specify mortar by performance properties (e.g., compressive strength class) or by prescriptive proportions that include lime.
≠IS 1597 provides highly specific rules for 'through stones' or 'bond stones' based on face area (e.g., one per 0.5 to 1.0 m²) and spacing. Equivalent standards tend to provide rules based on a percentage of the wall's face area or link bonding requirements to wall thickness and design calculations.
≠The Indian standard has very detailed classifications and requirements for different types of rubble masonry (Uncoursed, Random, Coursed) that reflect local quarrying and building traditions. International codes address similar concepts (e.g., random vs. squared rubble) but with less specific sub-classification.
≠IS 1597 mandates a continuous wet curing period of at least 7 days. Western standards like TMS 602 focus on protecting the masonry from extreme temperatures and rapid drying, with 'moist curing' for a shorter duration (e.g., 72 hours) typically specified only when required for specific conditions or high-strength mortar.
Key Similarities
≈All standards emphasize the fundamental principle of staggering vertical joints (breaking bond) to ensure the masonry wall acts as a cohesive structural unit.
≈A universal requirement across all codes is that stones must be laid on a full bed of mortar, and the core (hearting) of the wall must be solidly packed with mortar and smaller stones/chips, prohibiting voids or dry packing.
≈All standards recommend limiting the height of new masonry constructed in a single day (a 'lift') to prevent the weight from squeezing out fresh mortar in lower courses. The recommended heights are broadly similar.
≈There is a common requirement to wet or dampen absorptive stones before laying. This prevents the stone from rapidly drawing water out of the mortar, which is crucial for proper hydration and bond strength.
≈All referenced standards require that fresh masonry work be protected from adverse weather conditions such as heavy rain, frost, and rapid drying from sun and wind.