Description
This standard specifies requirements precast solid and precast hollow concrete masonry units for use in walling.
TABLE OF CONTENTS
| Content | Page |
| 1 Scope | 1 |
| 2 Normative references | 1 |
| 3 Definitions | 1 |
| 4 Requirements | 2 |
| 5 Marking | 4 |
| 6 Inspection and methods of test | 5 |
| Annex A Notes to purchasers (informative) | 13 |
| Annex B Recommended test for efflorescence (informative) | 14 |
| Annex C Typical materials recommended for use in the manufacture of concrete masonry units (informative) | 15 |
| Annex D Quality evaluation of concrete masonry units produced to the requirements laid | |
| down in the specification (informative) | 16 |
| Annex E Notes on pop-outs and iron staining (informative) | 17 |

