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todolfoam.com

DUO FILL 400 is a unique, two-component urethane aerosol foam designed for maximum speed and simplicity.  It is engineered to be the fastest-to-use 2-component foam on the market, requiring no dispensing gun, no hoses, and no complex connections.  Its rapid expansion and superior adhesion make it the go-to solution for critical sealing and weight-bearing repairs. Key Benefits & Features Lightning-Fast Cure: Fully expanded and cured in just 3 to 5 minutes, allowing for immediate trimming, sanding, or painting. Quality-Controlled Mix: The foam dispenses in a uniform light blue color, providing a visual monitor to ensure a proper and consistent mix. Zero Shrinkage: The closed-cell structure does not shrink or harden with age, maintaining a permanent seal. Stops Flowing Water: Specially designed to stop or slow flowing water, making it ideal for emergency utility repairs. Extreme Temperature Stability: Remains functional in environments ranging from -40°F to 175°F Simplified Dispensing: Features a rigid dispensing tube for exact placement, available in 9-inch and 24-inch lengths. Professional Applications Electrical & Gas Utilities: Seals underground ducts in manholes to block smoke, gas, and water passage at a lower cost than standard sealants. Pest Control: Pairs with "Stuff-It" copper mesh to create a permanent, rodent-proof barrier for holes and gaps. Fiberglass Repair: Provides weight-load-bearing support for repairing fiberglass shower stalls and tubs. Industrial Sealing: Perfect for plugging gas lines, sealing ducts, and filling large voids requiring a rigid, high-density fill.