The Allpro Gold Pro 3000 Caulk Gun is the mother of all industrial caulk guns. It's recommended for use with all caulks and construction adhesives including polyurethanes, as well as concrete, masonry and roofing sealants. With the GP3000, you can turn the dripless option OFF when applying highly viscous products such as construction adhesives and polyurethanes. This will keep constant pressure on the cartridge for easier dispensing. Or, feel free to turn the dripless option ON to apply products such as acrylic and silicone caulks to eliminate run-on and produce a smooth bead with a professional look. One caulk gun fo ALL you needs. The Allpro Gold Pro Series caulk guns are the very best caulk guns on the market. They're extremely lightweight, tough and trouble-free. The Gold Pro guns solve problems instead of creating them. The ergonomic grip allows for comfortable, all-day use while reducing stress in your hands and arms. With a rotating barrel (3000 & 4000 only), rugged composite co