Ruscoe 12 to 1 Gutter Sealant is based on an aluminum fortified adhesive formula with protective and elastic qualities of synthetic elastomers. This sealant does not require primers on properly prepared surfaces, can be applied at relatively low temperatures to form a protective seal. This sealant is a nitrile, rubber based sealant.
Ruscoe 12 to 1 Gutter Sealant is recommended for sealing openings less than 1/8 inch. It can be used as an effective sealant against water, chemicals, air and dirt for sealing seams in gutters, downspouts, miters, end caps, and outlet tubes.
It's also effective with roof and chimney flashings, animal feeders and troughs, wood, concrete, ceramic, brick, metal, stone, masonry, marble and glass. Ruscoe 12 to 1 Gutter Sealant is recommended for sealing horizontal seams only.
Ruscoe 12-1 has a silver metalic color. Each tube is 10.3 oz.