STR Mortar

STR Mortar is a slow setting, pumpable, structural concrete repair mortar that exhibits excellent flexural properties, shear bond strength and compressive strength.  STR Mortar is ideal for formed applications that require extended working time, high fluidity and added depth requirements.

Product Description

STR Mortar is ideal for a wide variety of formed concrete repairs:

  • Vertical form and cast-in-place flatwork
  • Tunnels
  • Grouted pre-placed aggregate
  • Piers, docks and dams
  • Form and pump
  • Fully contained form applications

Physical Properties

Compressive Strength (ASTM C109)

3 Hours

1 Day

7 Days

28 Days

2,500 psi

5,000 psi

6,700 psi

9,000 psi

Rate of Set (ASTM C266)

Working Time

Initial

Final

:25

:45

1:45

Product Standards & Approvals

Standards

Section Number

ASTM C928 R2

03 01 00 MAINTENANCE OF CONCRETE

Downloads

STR Mortar Technical data

STR Mortar SDS

STR Mortar Guide Spec