Weatherguard capstock compounds form the protective or “cap” layers of wood/plastic composite (WPC) and vinyl-based decking, railing, siding, fence, windows and doors. With Weatherguard, you can enjoy fine-tuned aesthetics and enhanced durability and performance, without the need to include expensive additives throughout the substrate. Compounds, including their processing characteristics, are highly customizable, enabling efficient and cost-effective implementation for building product manufacturers.