Substrate Repair Materials

RestoKrete™ Substrate Resurfacer No. F-121 is a single component, high strength, rapid set Portland-based cementitous mortar for repairing, resurfacing and waterproofing wastewater infrastructure.  This material will restore structural integrity and prevent water infiltration into concrete and brick structures.  No. F-121 is formulated so that is trowel or straight-shot spray applied.  Thicknesses may range from 1/8” minimum (125 mils) to a thickness of greater than one inch (500 mils).

Underlayment No. F-120 is a fast setting, high early-strength rehabilitation material.  It is composed of a Calcium Aluminate blend with Portland cement.  Applied by gunite, trowel or cast-in-place, its benefit is a quick cure devoid of out-gassing, which permits a topcoat of SewerGard® after five hours.  Material selection is made to accommodate depth and extent of substrate repair, contractor’s equipment and access to job site.  Thickness of application may range from 1/8” to several inches.

Underlayment No. F-120FS (Fast-Set) is a quick setting version of the original No. F-120, high early-strength rehabilitation material.  It is composed of a Calcium Aluminate blend with Portland cement.  Applied by trowel or cast-in-place, its benefit is a very, very quick cure.  No. F-120FS is ideal for rebuilding deteriorated or missing manhole benches and inverts.