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IS 1823:1980 is the Indian Standard (BIS) for floor door stoppers. This standard specifies the requirements for materials, dimensions, manufacture, and finish of floor door stoppers used in building construction to prevent doors from striking walls or over-opening.
ANSI/BHMA A156.16-2019Builders Hardware Manufacturers Association / American National Standards Institute, USA
HighCurrent
American National Standard for Auxiliary Hardware
Covers materials, finishes, and functional requirements for various auxiliary hardware, including floor and wall stops.
BS EN 1670:2007BSI / CEN, UK / Europe
MediumCurrent
Building hardware. Corrosion resistance. Requirements and test methods
Provides a classification system for corrosion resistance, which is a key performance aspect for door stoppers.
2010 ADA Standards for Accessible DesignDepartment of Justice, USA
LowCurrent
ADA Standards for Accessible Design
Influences the selection and placement of floor stops to prevent them from becoming protruding objects or trip hazards in accessible paths.
BS 8214:2016British Standards Institution (BSI), UK
LowCurrent
Code of practice for fire door assemblies
Provides guidance on door hardware for fire doors, often prohibiting mechanical hold-open devices like stoppers unless they are electronically controlled.
Key Differences
≠IS 1823 is a prescriptive, self-contained standard for a single product, specifying exact materials and dimensions. International standards are often performance-based and part of a modular system (e.g., separate standards for product, finish, and corrosion).
≠The Indian Standard provides specific dimensional drawings for different types of stoppers, whereas standards like ANSI/BHMA focus on performance grades and type classifications, leaving form factor to the manufacturer.
≠IS 1823 specifies simple static load and impact tests. Broader international hardware standards often require more extensive endurance or cycle testing, although this is less relevant for a static item like a stopper.
≠International frameworks like ANSI/BHMA have a highly detailed coding system for finishes (e.g., '626' for Satin Chromium Plated), whereas IS 1823 uses descriptive terms (e.g., 'SNP' for Satin Nickel Plated).
Key Similarities
≈Both the IS code and international standards recognize the primary function of a floor stopper is to arrest the door's movement and prevent damage to walls and other hardware.
≈There is a common understanding of suitable material classes, with both frameworks identifying brass, stainless steel, and aluminum alloys as primary materials for manufacturing.
≈Both systems place significant emphasis on the quality and durability of the surface finish, with specific requirements and tests for plating and corrosion resistance.
≈The fundamental concept of ensuring the product's strength is shared, with both IS 1823 (via a static load test) and international norms requiring the stopper to withstand the force of a door's impact.
Parameter Comparison
Parameter
IS Value
International
Source
Static Load Strength
Must withstand 980 N (100 kgf) applied horizontally without damage or permanent set.
Not explicitly defined for stoppers alone; performance is part of broader door assembly 'abuse' tests.
General (e.g., principles in ANSI/BHMA A156.8)
Rubber Buffer Hardness
Shore A hardness of 60 to 70.
Generally not specified; left to manufacturer discretion to meet performance goals (e.g., non-marring).
General manufacturing practice
Material (Brass)
Prescribed grades such as those in IS 319.
Performance-based; any brass alloy meeting finish and durability criteria, e.g., ASTM B16/B16M.
ANSI/BHMA A156.16-2019
Material (Aluminium)
Prescribed designation 4270 from IS 617.
Performance-based; common alloys like 6061 or 6063 are used if they meet requirements.
ANSI/BHMA A156.16-2019
Corrosion Resistance Test
Must pass tests as per IS 1068, including acetic acid salt spray (AASS).
Classified by grades based on hours in a neutral salt spray (NSS) test (e.g., Grade 3 = 96 hrs).