Even if executed perfectly, little gaps can occur over time ... caulking, you might find yourself skipping this step. Take a utility knife and cut off the tip of the caulking tube at a 45-degree angle ...

Cleaning your caulking gun after use can be a chore, but with a little preparation and some WD-40, it needn't be.

Traditional caulking guns usually have a long plunger that pushes caulk through an embedded tube. That, he said, can get in the way while working on roofing, cabinets or other tight areas.