Learn More › Caulking guns deliver a continuous bead of caulk to seal joints between two surfaces, such as gaps between window frames and jambs. Most caulking guns today are manual, meaning you ...

In its native form, [Clint]’s K-441 is a caulking gun, able to apply silicones, resins, and liquid rubber from a reservoir with compressed air. It’s accurate, powerful, has a huge capacity ...