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Prime Resins

About Prime Resins

Prime Resins is a leading manufacturer of chemical grouts, foams, adhesives and coatings for infrastructure repair and protection. We provide solutions for problems in structural repair, leak sealing, coating/lining, slab lifting, and soil stabilization.

Manhole Rehabilitation

Cementitious Mortar Lining

PrimeCem MSM

PrimeCem MSM (Microsilica Mortar) is a blend of Portland cement, graded silica sand, fibers and silica fume. The mortar may be hand or spray applied. A nominal thickness of 1/4” up to 2”. Thicker applications can be achieved by applying in successive lifts. Uses include repairing concrete walls, ceilings, lining brick or concrete manholes and lift stations and horizontal pipe repair. Microsilica Mortar provides an extremely dense matrix and will accept coatings at earlier ages than typical Portland cement repair products. This product contains a migrating corrosion inhibitor.

Calcium Aluminate

PrimeCem CAM

PrimeCem CAM (Calcium Aluminate Mortar) is a blend of quartz silica, fibers and pure fused calcium aluminate cement. The mortar shall be hand or spray-applied. A nominal thickness of ½” up to 2” . Thicker applications can be achieved by applying successive lifts. PrimeCem CAM can be especially useful when coatings are required at early ages. CAM may be coated in as little as 12 hours. (Always consult with coating manufacturer).


PrimeFlex 910

Hydrophobic single-component polyurethane, super low viscosity, water-activated to form a rock hard, watertight mass. requires catalyst.

PrimeFlex 920

Hydrophobic, low viscosity, highly expansive, water activated polyurethane. Forms a watertight, rigid foam. Meets NSF/ANSI Standard 61 for potable water contact. Requires catalyst.

PrimeFlex 940

Hydrophobic, super low viscosity, expansive polyurethane. Reacts with water, forms a watertight flexible foam.

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