Keystone produces general purpose concrete masonry units (CMU’s) in three different aggregate blends. These products are Normal Weight Stone, Lightweight Keylite and Real-Lite CMUs to suit your building requirements.
| Specifications | Stone | Keylite | Real-Lite Special Order |
| Sizes by 8″ High & 16″ Long | 16″, 14″,12″, 10″, 8″, 6″, 4″, 3″, 2″ |
12″, 10″, 8″, 6″, 4″, 3″, 2″ |
16″, 12″, 10″. 8″ |
| 12″ x 8″ x 16″ Unit Weight | 54 Lbs | 44 lbs | 42 lbs |
| ASTM Specification | C90 Normal Weight | C90 Lightweight | C90 Lightweight |
| Minimum Net Compressive Strength | 1900PSI | 1900PSI | 1900PSI |
Stone CMUs
Are produced with sand, gravel and cement. These are used for all building applications.
Keylite CMUs
Are produced with a blend of locally produced lightweight aggregate, sand and cement.
Unit costs are similar to stone CMUs but because of their light weight they are less expensive to install.
Project Photos
Stone Foundation
Keylite Foundation
