Description
Bostik 1100 FS is a white, one-part fast set urethane sealant supplied in 20 oz sausages for bonding, beading, and sealing work. It cures with atmospheric moisture to form a tough, flexible seal on wood, metal, FRP, and many plastics.
Bostik 1100 FS Benefits
- Fast set polyurethane chemistry helps crews move parts sooner than slower general-purpose sealants.
- Tenacious adhesion supports bonding and sealing on wood, metal, FRP, and many plastic surfaces.
- Gun-grade, non-sag bead works for vertical, overhead, and production-line sealing details.
- Flexible cured seal supports assemblies that see vibration, handling, and temperature change.
- Twenty ounce sausage packaging fits higher-volume shop work with fewer pack changes.
Bostik lists 1100 FS for general industry, HVAC, truck trailer, horse trailer, RV, emergency vehicle, bus, railcar, and container construction. It should not be used for glazing or for plastics that are crack-sensitive or contain high plasticizer levels unless compatibility testing supports the application.
Bostik 1100 FS Applications
- HVAC duct, housing, and equipment sealing.
- Truck trailer, horse trailer, and specialty vehicle beading.
- RV, bus, railcar, and container construction joints.
- Bonding and sealing wood, metal, FRP, and approved plastics.
- Shop repair work where a white fast set urethane bead is preferred.
Surface Preparation and Use
Clean parts before applying. Remove oil, shop dust, water, loose paint, and any plastic surface contamination that could limit adhesion. Tool the bead before skin forms and hold parts in position until the sealant develops enough strength for the next handling step.
Technical Details and Documentation
Published product information describes 1100 FS as a one-part polyurethane adhesive and sealant for sealing, bonding, and beading applications. For manufacturer background, visit Bostik. Review the technical data sheet before approving cure time, substrate compatibility, paint timing, or service exposure.
Dispensing and Ordering Help
This SKU is the white 20 oz sausage case. Confirm sausage gun fit, bead size, substrate list, and expected handling schedule before switching from another urethane. For related products, browse Chemical Concepts sealants.
For help matching Bostik sealants to HVAC, trailer, RV, rail, or container work, call (800) 220-1966 or email [email protected].







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