About This

INDUSTRIAL-GRADE WEATHERPROOF black silicone sealant that offers maximum protection against water damage, leaks, drips, UV, extreme heat, and pressure for both indoor and outdoor environment on most surfaces like metal, granite, stone, wood and glass.
RATED TO PROTECT UP TO 15 YEARS. This black silicone sealant adhesive is laboratory tested and rated to provide protection against dark spots, stains and other damage and stains caused by weather, water leaks, drips and heat.
EASY TO APPLY BLACK SILICONE CAULK CATRIDGE. The XFasten Waterproof Black Silicone Caulk is packed inside a high-pressure resistant cartridge that is equipped with a jam-resistant nozzle for easy and smooth application.
QUICK SETTING AND CURING. Do you need to quickly fix a leak on your door or shower glass? We got you covered! The XFasten Silicone sealant waterproof cartridge dries, sets and cures in 30 minutes and is ready to be exposed under the scorching heat or heavy rain.
DOES NOT SHRINK AND CRACK. With excellent adhesion, maximum flexibility and superior sheer stress resistance, our waterproof black silicone caulk will not shrink or crack even if constantly exposed under freezing temperatures, UV from scorching sunlight, or constant rain water drips.