RS 543: 2023 MASONRY UNITS TEST METHODS —
DETERMINATION OF WATER ABSORPTION OF
AGGREGATE CONCRETE, AUTOCLAVED AERATED
CONCRETE, MANUFACTURED STONE AND NATURAL
STONE MASONRY UNITS DUE TO CAPILLARY
ACTION AND THE INITIAL RATE OF WATER
ABSORPTION OF CLAY MASONRY UN
7,500.00
1
7,500.00
2
Rwanda Standards
RS ASTM E1857: 2021 STANDARD GUIDE FOR SELECTING OF CLEANING
TECHNIQUES FOR MASONRY, CONCRETE, AND
STUCCO SURFACES
6,000.00
2
12,000.00
3
Rwanda Standards
RS ISO 12944-3:2017 PAINTS AND VARNISHES — CORROSION
PROTECTION OF STEEL STRUCTURES BY
PROTECTIVE PAINT SYSTEMS —
PART 3:
DESIGN CONSIDERATIONS
21,000.00
2
42,000.00
4
Rwanda Standards
RS ISO 14713-3: 2017 ZINC COATINGS — GUIDELINES AND
RECOMMENDATIONS FOR THE PROTECTION AGAINST
CORROSION OF IRON AND STEEL IN STRUCTURES —
PART 3: SHERARDIZING
