AIT Multi-Purpose Manhole & Septic Joint Seal is the top choice in the industry for catch basin, adjustment ring and manhole cover sealers! Our sealant replaces the mortar between the cone, adjustment ring section and casting on both storm sewer and sanitary sewer structures. AIT Joint Seal has proven to be so effective, it simply eliminates costly interior and exterior seals . Cities all across the country use our Joint Seal and, to date, there has not been a single product failure!

The picture above shows a worker applying AIT Multi-Purpose Manhole & Septic Joint Seal. It is as easy as it looks - no mixing, no sandblasting or drying concrete beforehand. Simply clean the surface of loose debris and pour a continuous bead of AIT Joint Seal. A damp surface will not inhibit the performance of our seal.

This picture shows the completed manhole. You can backfill immediately. After 48 hours of cure time, the structure will easily pass a vacuum test. AIT Multi-Purpose Manhole & Septic Joint Seal has proven it will eliminate I & I problems!  What is I & I?

• Urethane-Based and V.O.C. Free
• One-Part Adhesive - No Mixing Required
• May be Applied on Damp Surfaces
• Fully Cures in 48 hours
• Passes Vacuum Test at 10" Mercury
• Adheres to All Structural Concrete and Cast Iron
• Resistant to Heat, Water & Most Chemicals
• 100% Solids - Contains No Solvents
• May be Treated as Non-Hazardous Waste
• Low Application Costs

Coverage Notes:
One-pound joint seal will pour a 1" bead approximately 25' in length.

One-pound will seal:
2 - 48" Cone or Barrel section joints or
2.5 - 27" Adjustment Ring section joints or
2.5 - 2' x 3' Catch Basin Adjustment Ring section joints

The photos below demonstrate how easy it is to use. Simply brush the ring surface free of debris and pour a continuous bead. Place the next ring and repeat the process. Cities with a maintenance program that do many overlays often find themselves ahead of schedule due to the ease of application.

The photos below show a manhole in the Green Bay, Wisconsin area. This manhole is inspected annually and, to date, there has been NO INFILTRATION!