Product Detail Sheet:
Mainstay® ML-72 Sprayable Microsilica Restoration Mortar (158 KB, requires Adobe Reader)
Mortar Type:
Modified portland cement based mortar
Packaging:
Normally stocked in 65 pound bags; special packaging available
Applied Thickness:
Mainstay ML-72 mortar may be applied from 1/2" to 5" depending on the condition of the substrate. Its high-build capability allows severely deteriorated surfaces to be restored to their original substrate thickness. Substrates requiring restoration thicknesses less than 1/2" would typically be repaired using Mainstay ML-72P Sprayable Microsilica Restoration Mortar.
Coverage:
Approximately 13 square feet per bag at 1/2"
Water Content:
Mix 1.2 gallons of water per 65 pound bag
Test Data:
- Compressive Strength per ASTM C-109: >10,000 psi at 28 days
- Flexural Strength per ASTM C-293: >1,400 psi at 28 days
- Tensile Strength per ASTM C-496: >850 psi at 28 days
- Shrinkage per ASTM C-596: 0% at 28 days at 90% relative humidity
- Bond Strength per ASTM C-882: >3,000 psi at 28 days
Suitable Applications:
- 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
- Smoothing and resurfacing concrete that has been roughened by aggressive surface preparation
- Cementitious lining of corrugated metal culverts and pipes
Application Equipment:
Visit our Application Equipment section to learn more about the equipment needed to apply this product.