OS 1657:2025

Omani Standard   Current Edition · Approved on 19 January 2025

Omani Sarooj

OS 1657:2025 Files

Arabic 6 Pages
Current Edition
OMR 8.0

OS 1657:2025 Scope

Omani Sarooj

Best Sellers From Construction and Building Sector

GSO 1427:2008
 
Gulf Standard
Ceramic Sanitary Appliances - Western Water Closets
GSO 1431:2002
 
Gulf Technical Regulation
Sanitary appliances - pressurized flushing devices
OS GSO 1431:2002
GSO 1431:2002 
Omani Standard
Sanitary appliances - pressurized flushing devices
OS GSO 1427:2008
GSO 1427:2008 
Omani Standard
Ceramic Sanitary Appliances - Western Water Closets

Recently Published from Construction and Building Sector

GSO ASTM C62:2026
ASTM C62:23 
Gulf Standard
Standard Specification for Building Brick (Solid Masonry Units Made from Clay or Shale)
GSO ISO 9972:2026
ISO 9972:2015 
Gulf Standard
Thermal performance of buildings — Determination of air permeability of buildings — Fan pressurization method
GSO ISO/TS 16774-4:2026
ISO/TS 16774-4:2023 
Gulf Standard
Test methods for repair materials for water-leakage cracks in underground concrete structures — Part 4: Test method for adhesion on wet concrete surface
GSO ISO 16293-2:2026
ISO 16293-2:2025 
Gulf Standard
Glass in building — Basic soda lime silicate glass products — Part 2: Float glass