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PROMIX

PROMIX Type "M" Mortar

 

PROMIX Type “M” Mortar is a contractor grade mortar designed for laying concrete masonry units, brick and manufactured stone products.

PROMIX Type “M” Mortar is a pre-blended product using Portland cement, Lime and well graded masonry sand. The standard formulation meets or exceeds ASTM C-270 Type “M” specifications.

ASTM C-270 Table (2) Property Specification

Mortar

Type

Average Compressive Strength @ 28 Days Minimum psi

Water Retention Minimum %

Air Content Maximum %

Cement / Lime

M

2500

75%

12%

Cement / Lime

S

1800

75%

12%

Cement / Lime

N

750

75%

12%

Cement / Lime

O

350

75%

12%

ASTM C-270 Table (x1.1) Guide for the Selection of Masonry Mortar

Location

Building Segment

Mortar Type Recommended / Alternative

Exterior, Above Grade

Load Bearing

      S        /        M

 

Non-Load Bearing

      N        /        S

 

Parapet Wall

      N        /        S  

Exterior, at or Below Grade

Load Non-Load Bearing

      S        /        M

Interior

Load Bearing

      S        /        M

Exterior

Non-Load Bearing

      N        /        S

Note: This table does not provide for many specialized mortar uses. When possible consult with or refer to a Professional Engineer or Architect specifications for mortar selection.

Sizes: PROMIX Type “M” Mortar is available in two sized packages. 70 LB (31.75 KG) Bags approximately 2/3 cubic foot. 3000LB (1360 KG) Bulk Bags approximately 27 cubic feet.

Mixing: For each 70LB bag add 7 pints of fresh potable water to mixer. Turn mixer on and begin to adding mortar mix to the mixer. If the material becomes to difficult to mix, add additional water until a workable mix of trowelable consistency is obtained. Note that the final water content should be from 7-12 pints per bag.

Precautions: Variations in mix water amount, mixing time, curing conditions, and finishing practices can cause color variations.

Coverage: Refer to the PROMX estimating table.