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| 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. |
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| Specifications |
Stone |
Keylite |
Real-Lite |
| Sizes |
16", 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 Compressive Strength |
1900PSI |
1900PSI |
1900PSI |
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Stone CMUs
Are produced with sand, gravel and cement. These are used for all building applications. |
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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. |
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Stone Foundation |
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Keylite Foundation |
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Real-Lite Foundation |
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