![Amazon.com: Sika Sikaflex-221, Gray, multi-purpose sealant/adhesive, polyurethane fast curing sealant, 10.1 fl. oz Cartridge : Industrial & Scientific Amazon.com: Sika Sikaflex-221, Gray, multi-purpose sealant/adhesive, polyurethane fast curing sealant, 10.1 fl. oz Cartridge : Industrial & Scientific](https://m.media-amazon.com/images/S/aplus-media-library-service-media/45fb093b-1bf6-4c77-b6e6-82e262063aca.__CR0,0,970,600_PT0_SX970_V1___.png)
Amazon.com: Sika Sikaflex-221, Gray, multi-purpose sealant/adhesive, polyurethane fast curing sealant, 10.1 fl. oz Cartridge : Industrial & Scientific
![Sika USA on X: "Need a back-filling sealant for an RV or heavy truck glass replacement? Sikaflex®-295 UV is a polyurethane adhesive/sealant specially formulated with enhanced UV resistance to protect against cracking Sika USA on X: "Need a back-filling sealant for an RV or heavy truck glass replacement? Sikaflex®-295 UV is a polyurethane adhesive/sealant specially formulated with enhanced UV resistance to protect against cracking](https://pbs.twimg.com/media/E6LceZkWYAcvF7p.jpg:large)
Sika USA on X: "Need a back-filling sealant for an RV or heavy truck glass replacement? Sikaflex®-295 UV is a polyurethane adhesive/sealant specially formulated with enhanced UV resistance to protect against cracking
![Amazon.com: Sika Sikaflex-221 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz : Industrial & Scientific Amazon.com: Sika Sikaflex-221 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz : Industrial & Scientific](https://m.media-amazon.com/images/I/81o8csk5kPL._AC_UF350,350_QL80_.jpg)