Use to install Bird-Coil Clips, Birdwire, Bird-Flite, Bird-Shock, Daddi Long Legs - An exceptionally strong but flexible, adhesive. It handles dramatic temperature changes without cracking and adheres Bird Barrier products to most surfaces. For best results the mounting surface must be dry, completely clean and prepped. Full cure is in 24 hours at normal temperatures, but under some circumstances it can be usable in as little as four hours.