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Tables, Charts & Calculators

 

Type "S" Mortar Formula for Concrete Blocks

ASTM C 270-06 Proportioning:

Mix Together:

Field Proportioning:

1 part

Portland Cement

1 part
1/4 to 1/2 part

Type S Lime

1/2 part
2-1/4 to 3 times the volume of
combined cementitious material
(cement & lime)

Mason Sand

4-1/2 parts
1 Cubic Yard Mason Sand
6 bags Portland Cement (94 lb each)
3 bags Type S Lime (50 lb each)

will make enough mortar to lay 400 block (8 inch each).