Dura-Seal III Instructions
Follow these 4 simples steps to inflate DURA-SEAL™ III from inside the manhole
1. Puncture gasket with tool.
2. Insert nozzle into hole
3. Inflate void with DURA-SEAL™ III sealant.
4. Place finger over hole to coagulate sealant. This process is performed inside the manhole in minutes.
Cross section showing deformity in pipe at seal.
Injection needle being inserted in gasket.
Dura-Sealant injected into void expanding gasket to eliminate leak.