Medallion Plus Exterior House Paint has 100% acrylic durability. All season beauty and protection. Rain Ready Technology - ready in just 2 hours - guards the freshly painted surface from runs, blisters or watermarks once rain showers begin. Flexible finish resists cracking and peeling. Mildew and stain resistant. Use on properly prepared exterior surfaces of wood, hardboard, aluminum siding, vinyl siding, masonry, brick, stucco, cement composition panels and metal. Not for use on floors.