Standards and Approvals
AAC is produced in countries, environments and climates all over the world. Careful selection criteria are always utilized when selecting appropriate factory locations especially as they relate to raw materials. MHE quality is unsurpassed in the AAC industry and our ongoing commitment to product testing confirms our total commitment to quality.
MHE's products have had the United States' tests listed in the table performed, and furthermore has obtained NES approval. MHE is always striving to have complete technical information to support the design professionals!
The following tests were performed on various MHE products in accordance with the methods prescribed by the American Society for Testing and Materials (ASTM).
View ASTM tests/reports
| ASTM C 140 | Sampling and Testing Concrete Masonry Units |
| ANSI / UL 263 | Fire Tests of Building Construction and Materials |
| ASTM C 426 | Drying Shrinkage of Concrete Masonry Units |
| ASTM E 447 | Compressive Strength of Masonry Prism |
| ASTM E 72 | Strength Tests of Panels for Building Construction |
| ASTM E 514 | Water Penetration and Leakage Through Masonry |
| ASTM E 90 | Airborne Sound Transmission Loss of Building Partitions |
| ASTM E 518 | Flexural Bond Strength of Masonry |
| ASTM E 119 | Fire Tests of Building Construction and Materials |
| ASTM E 519 | Diagonal Tension (Shear) in Masonry Assemblages |
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