Bostik Chem-Calk® 2020 Modified Urethane Sealant 10.1 OZ. Cartridge (Case of 24)

Chem-Calk® 2020 Modified Urethane Sealant:
A one-component, moisture curable advanced hybrid sealant that offers superior adhesion to vinyl siding, vinyl trim board and a variety of dissimilar surfaces. It is suitable for most building materials, including stone, masonry, wood engineered wood, hardboard, aluminum and a variety of other metals. Chem-Calk 2020 has a non-sag consistency suitable for most vertical applications. Chem-Calk 2020 meets ASTM 920, Type S, Grade NS, Class 50.