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Product Detail Sheet:

Mainstay® ML-72FS Fast Setting High Strength Patching Mortar (144 KB, requires Adobe Reader)

Mortar Type:

Modified portland cement based mortar

Packaging:

Normally stocked in 50 pound bags

Applied Thickness:

Mainstay ML-72FS mortar may be applied from 1/2" to 5" depending on the condition of the substrate.

Coverage:

Approximately 10 square feet per bag at 1/2". Allowances should be made for waste.

Water Content:

Mix 0.75 gallons of water per 50 pound bag

Test Data:

  • Compressive Strength per ASTM C-109: >8,000 psi at 28 days
  • Bond Strength per ASTM C-882: >3,000 psi at 28 days

Suitable Applications:

  • Filling large voids in manholes or concrete walls
  • Reconstructing manhole inverts
  • Making repairs in pipes and pipe inverts
  • Rehabilitation of sanitary brick and concrete sewer structures such as manholes, lift stations, wet wells, etc.
  • Cementitious underlayment ideal for the application of Mainstay DS-5 100% Solids Epoxy Coating

Application Equipment:

Mainstay ML-72FS is typically applied by hand using a trowel.