Dap Anchoring Adhesive is a low odor, styrene free, 2-component adhesive with a cure time indicator. It applies blue and cures gray once fully cured. There is an extended working time of 15 minutes in room temperatures (50F to 68F). Ideal for common residential anchoring projects such as setting bolts and threaded rods to install railings, racks and more. It can be used with a standard caulk gun for easy use for vertical and horizontal applications. Interior/Exterior use.