Rust-Oleum Stops Rust Hammered hides flaws and imperfections found in scratched, rusted or pitted metals. Apply directly over rust. Works on wheelbarrows, lighting fixtures, wheel rims and other metals as well as wood, concrete and masonry. Highlights: Color: Deep Green Size: 1 Qt Indoor/Outdoor. Gloss. Durable, corrosion-resistant. Rust preventative. Brush directly over rust. Hides imperfections. No primer needed. Painting Conditions: Apply only when air and surface temperatures are above 60F (15C) and humidity is below 85% to ensure proper drying. Do not apply to surfaces that will exceed 200F (93C). Do not use on galvanized steel. Painting Application: Previously coated: previously coated surfaces must be sound and in good condition. Smooth, hard, or glossy finishes should be scarified by sanding to create a surface profile. The stops rust hammered enamels are compatible with most coatings, but a test patch is suggested. Warning! If you scrape, sand or remove old paint from any surface, you may release lead paint dust. Lead is toxic. Exposure to lead dust can cause serious illness, such as brain damage; especially in children. Pregnant women should also avoid exposure. Wear a niosh approved respirator to control lead exposure. Clean up carefully with a hepa vacuum and a wet mop. Dry & Recoat: Apply 2 coats for full coverage, best appearance and maximum rust protection. Make sure that corners, edges and heavily pitted areas are adequately covered. Apply a second coat after the first coat is dry to the touch (30 minutes). Second coat must be applied within 4 hours or after 7 days. Dries to handle in 60-90 minutes at 77F (25C) and 50% relative humidity. Allow more time at cooler temperatures and higher humidity.