Q I have Silestone kitchen counters with a 4-inch-high backsplash, installed four years ago. Behind the sink, the joint between the counter and the backsplash, as well as where backsplash meets the ...

Q. I want to replace a lot of caulking around the outside of my house, especially around windows and doors where I suspect there are air and water leaks. Much of the old caulk is cracked, discolored ...