It is a one-part aluminum colored, General Purpose, Medium Viscosity Sealant which air-dries to a tough, flexible film that resists water, oils and fuel.. Ideal for Bedding Glass in Aluminum Window Channels.Full Description »It has good adhesion to aluminum and glass. It is ideal for bedding glass in aluminum window channels. It also adheres well to many other metals and woods. Meets requirements of AAMA Specification 801.1.