Platinum Patch provides exceptional exterior/interior weatherproof protection - Weathermax Technology - that prevents discoloration, cracking, and crumbling. Tough hydrophobic surface provides a waterproof repair that will not swell, soften, blister, or breakdown. It is mold, mildew and algae resistant making it perfect for areas with continuous exposure to the elements. Strong, multi-material adhesion to tough porous and non-porous materials making it ideal for exterior applications such as the installation, finishing, or repairing of fiber cement, PVC trim board, vinyl siding, metal, composite, concrete, brick, wood, metal doors and more. Creates a strong, durable bond that will not crack or lose adhesion over time and is sandable and paintable. 2 to 4 hour dry time. Application temperature: 40 to 150 degree F. Service temperature: 0 to 120 degree F. Easy water clean-up and low in odor. 12 month shelf life.