Unibond Outdoor Fill & Repair Pressure Pack is a one-component, ready-to-use, neutral-curing silicone sealant for the perimeter sealing of exterior window and door frames. How to Use: SURFACE PREPARATION: All surfaces must be clean and free from contaminants likely to impair adhesion. SEALANT APPLICATION: The sealant should be applied to ensure that the joint is completely filled. Smooth off the sealant with a smoothing tool to ensure good contact between the sealant and the bonding surfaces. Clean up excess sealant with white spirit immediately. CLEANING AND FINISHING: Fresh sealant can be cleaned with a cloth dampened with white spirit. Cured sealant can only be removed by mechanical means. Package Includes: Unibond Outdoor Fill & Repair Silicon Sealant Cartridge White, 208g