Dyco 890 Roof Coating is an RV and mobile home roof coating. It is a solvent based rubber copolymer coating which makes it water resistant and long lasting. The 890 roof coating sets up in 30-60 minutes and resists dirt. Can be applied with either a paint brush, roller or spray. The Dyco 890 Roof Coating covers properly prepared steel, galvanized metal, aluminum and asphaltic aluminum coatings.