Dap (r) platinum patch advanced exterior filler is formulated with innovative weather max technology for long-lasting, all weather protection. platinum patch provides exceptional weatherproof protection that prevents discoloration, cracking and crumbling. the tough hydrophobic surface provides a waterproof repair that won't swell, soften, blister or breakdown and it is mold, mildew and algae-resistant making it perfect for areas with continuous exposure to the elements. it has 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 siding, pvc trim board, vinyl siding, metal, composite, concrete, brick, wood and more. platinum patch creates a strong, durable bond that won't crack or lose adhesion over time and is also is sandable, paintable, easy water clean-up and low in odor.