Flex-Seal Utility Sealant® is an aromatic urethane rubber. Urethanes are noted for extreme toughness, elongation, abrasion, resistance, acidic resistance and longevity. Sealing Systems, Inc. process allows a fast and simple method of sealing the adjustment ring area and joint sections will not allow infiltration and will not deteriorate from hydrogen sulfide or road salt. When properly installed, no special conditions or requirements are necessary for optimal performance.
Spray foam insulation (in the event of large voids)
Bricks for patching (missing ring sections)
Quick set patching material (Chimney Patch and Repair (CPR) by Sealing Systems, Inc.)
Inspection mirror w/ extension
Garbage bag (for clean up)
All statements, technical advice and recommendations are based on tests believed to be reliable, but the accuracy thereof is not guaranteed. The following statement is made in lieu of all warranties, express or implied: Sellers and manufacturers only obligation shall be to provide replacement product for the quantity of the product, which is proved to be defective. Neither the seller nor the manufacturer shall be liable for any injury, loss or damage, direct or consequential, arising out of the use of or the inability to use the product. Prior to product selection, the user shall determine the suitability of the product for the proposed application and user shall assume all risk and liability whatsoever in connection therewith.