Some caulk guns come with a spout cutter built in. If not, use a utility knife to cut the tip off the caulking tube at a 45-degree angle. For fatter lines, cut the nozzle closer to the tube.

You put the cartridge into the metal gun, puncture the caulk tube with a utility knife or ... to reach windows on the first floor and an extension ladder for ones on the second floor.

Don't let a gunked-up caulk ... gun tricks that can help with drips and mess, including relieving pressure on the trigger between caulking sessions and puncturing the bottom of the caulk tube.

All too often, I see homeowners use cheap, inexpensive guns. They squeeze the handle and caulk blasts out of the caulk tube, making a huge mess. For years, I’ve used a professional caulk gun ...

Cheap caulk guns provide little control over the amount of caulk that oozes from the tube as you squeeze the handle. Better caulk guns cost just a little more, but they give you great control.