Flex-Seal Utility Sealant®
An inexpensive and permanent method of sealing the grade adjustment ring area and joint sections in a manhole or catch basin from the inside of the structure. This state-of-the-art urethane material is packaged in a kit that is easily installed in house or by one of our certified installers.
- Protect from damaging hydrogen sulfide & salt deterioration
- Offset adjustment areas or protruding or missing bricks? No problem for Flex-Seal!
- 800% elongation for protection in even the harshest freeze/thaw conditions
- Easily patched if you ever do road work in that area.
- Apply this product in an hour or less per structure
- CONTACT US FOR A FREE DEMONSTRATION AT YOUR LOCATION!
Downloads & Product Information
Download Flex-Seal® Product Flyer for Manholes
Download Flex-Seal® Product Flyer for Storm Structures
Flex-Seal® Installation Procedure

Internal Uni-Band®
New from Sealing Systems, Inc. Finally, an internal chimney seal that can be easily applied without any special tools or expanders. The Uni-Band is an inexpensive and permanent method of internally sealing the grade adjustment ring area of a manhole to prevent infiltration.
- Foam backing on the seal to ensure a water tight seal over the rough or irregular surface of the structure
- Stainless steel bands at the top and bottom with turnbuckles, allowing for precise adjustment to create a secure fit.
- To accomodate ground movement, the Uni-Band is made of high quality Polyisoprene Rubber and offers 637% elongation.
- Pull your old internal chimney seals out of the bottom of the manhole for the last time - specify Sealing System's Uni-Band®
Downloads & Product Information
Download Internal Uni-Band Product Flyer for Manholes
Download Installation Instructions for the Uni-Band