DEAR TIM: My exterior doors have leaded-glass inserts that I don’t feel are insulated well. I’m confused as I can’t feel the leaded glass because it’s sandwiched between two pieces of glass.

“My friends had installed a new front door in their home. It needed a window and they casually mentioned they wanted stained glass put in there,” David recalls over e-mail. “Out of the blue ...

Rudy Art Studio, a turn-of-the-20th-century York, Pa., business made this glass for the front doors at York's First Moravian Church, one of many made for the North Duke Street building.