Oneonta Block Co.
Oneonta, NY 13820
607-432-6641 • Fax 607-433-6284
Port Crane, NY 13833
607-648-7051 • Fax 607-648-7050
Oneonta Block Co. |
6459 State Highway 23 Oneonta, NY 13820 607-432-6641 • Fax 607-433-6284 |
65
State Route 369 Port Crane, NY 13833 607-648-7051 • Fax 607-648-7050 |
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| 75 Lb. Lehigh White Masonry Type
'S' - Portland, Ground Limestone Blends white Portland cement with finely ground white limestone, combined with process additions that enhance water retention, workability, boardlife, and durability.For use in masonry mortar and stucco mixtures where a white or bright colored mortar joint or stucco is desired. Certification: ASTM C91 |
| 94 Lb. Portland Cement Type I/II - Portland ONLY Hydraulic Cement, one of the main constituents of mortar. To mix CONCRETE 1 : 2 : 3 parts by dry volume. That is: one part Portland cement, two parts sand, and three parts coarse aggregate To mix MORTAR, use the following parts by Volume
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| White Portland Cement - Portland
ONLY True hydraulic non-blended cements, which produce architectural concrete that exhibits uniform, white, light and warm colored surface finishes. Applicable Standards: Lafarge Trinity White Portland cement meets and exceeds the applicable standards of ASTM C 150, Standard Specification for Portland Cement and AASHTO M 85. |
ASTM C270 Mortar Specification |
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Proportion Requirements by Volume
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Property Requirements
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Mortar Type
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Cement Materials
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Aggregate
(Damp, Loose) |
Minimum Compressive Strength @ 28 Days
PSI
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Minimum Water Retention (%)
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Minimum Air Content (%)
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Aggregate (Damp, Loose)
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N
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1 Portland*
1/2 - 1 1/4 Lime 1 Masonry N |
2 1/4 - 3 Times the Sum of the Volume of
Cement
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750
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75
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14*
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20**
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2 1/4 - 3 1/2 Times the Sum of the Volume of
Cement
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S
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1 Portland*
1/4 - 1/2 Lime 1 Masonry S |
Same as Above
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1800
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75
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12
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18
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Same as Above
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M
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1 Portland*
1 Masonry N 1 Masonry M* |
Same as Above
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2500
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75
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12
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18
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Same as Above
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| * 12% when structural reinforcement is not
incorporated in the mortar. ** 18% when structural reinforcement is incorporated in the mortar. |
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Approximate* Material Quantities |
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| Cementitious Material** | |||||
| Wall Surface Area Sq. Ft. | Standard Units | Masonry Cement (Bags) |
Portland Cement (Bags) |
Hydrated Lime (Bags) |
Mason Sand (Loose, Damp) |
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Brick Masonry (4" Thick Wall, 1/2" Joints, 2 1/4" x 3 3/4" x 8" Units) |
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| 100 | 620 | 2.4 | 1.2 | 1.2 | 7.2 |
| 160 | 1000 | 3.8 | 1.9 | 1.9 | 11.5 |
| 200 | 1240 | 4.8 | 2.4 | 2.4 | 14.4 |
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Concrete Masonry 8" Thick Walls, 1/2" Joints, 8" x 8" x 16" Units |
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| 83 | 100 | 2.5 | 1.3 | 1.3 | 7.5 |
| 200 | 240 | 5.6 | 2.8 | 2.8 | 17 |
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* No allowance for waste **Choose either Masonry Cement -or- Portland Cement and Lime |
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