Use a leaf blower or broom to clear any debris off the driveway. You’re trying to prevent loose debris from falling into the caulk as you’re working. I once made the mistake of working on a windy ...

Q. There’s a wide ugly gap between my concrete outdoor patio slab and the slab my house is built on. I’m trying to determine whether to caulk the crack or fill it with some cement-based patching ...