Henry Company Enviro-White 4.75-Gallon Elastomeric Reflective Roof Coating (12-Year Limited Warranty)12 Year limited warranty thickest, most durable formula Ponding water resistant up to 48 hours low sloped roofs Dirt pickup resistant technology provides longest lasting reflectivity Coverage rate is 1 gallon per 100 sq ft per coat on smooth surfaces (2 coats required) Coverage rate is 1 to 1. 5 gallons per 100 sq ft per coat on mineral surfaces (2 coats required) Features Series Name Enviro White Flexible Yes Fibered No Manufacturer Color Finish