To dispense Sikaflex Insulation Sealant and Adhesive from its 9 fl-oz cartridge, you cannot simply squeeze the bottle by hand like a standard glue bottle. It requires a standard mechanical caulking gun. 1. Cut the Nozzle Tip 2. Puncture the Internal Seal 3. Load the Cartridge Into the Caulk Gun 4. Squeeze Out the Adhesive