Procedure

The structure will be solid plugged or flow-through plugs will be used to control flow coming into the work area. GML coatings can also set up bypass pumping if required.
Preparation will begin by sandblasting the entire substrate preparing the surface so that it is structurally intact, clean of all corrosion, and provided with a good profile.
After sandblasting is completed, the surface area will be power washed at 4000 psi ridding the substrate of all dust sand and loose debris.
All solids and water will be removed from the work site along with other debris.
Active infiltration will be injection grouted.
GML 30/60, a cementitious calcium aluminate concrete will be applied to all voids, in most cases, the entire surface will be structurally built up .5 inches to 1 inch thick providing a smooth brushed finish. Thinker applications may apply where there is more deterioration of the existing structure.
The work area will be completely dried using in=direct heat lowering the moisture content of the substrate.
Green Monster™ Primer will be applied to the dry and cooling substrate providing maximum adhesion and sealing the porous concrete.
Green Monster™ products are spray applied at 125 mil thickness. This will be sprayed onto the ring of the structure down to the coating of the bench in manholes and the entire bottom of other structures.

*GML Coatings is the owner and exclusive applicator of the GML line of products and does not license them to other firms. GML Coatings trained professionals are to be responsible for all concrete preparation that is associated with the project. Green Monster™ coatings are an excellent choice when specifying a coating system. Cracking is never an issue like it is in most present-day rigid lining applications because of the elasticity of the material/ Green Monster™ coatings can be applied to any concrete, steel, brick, or fiberglass surface/ Ask about changes in procedure when referencing other GML products and applications.