Paint color consultant Bonnie Krims presents exterior color schemes, while Norm and Tom patch old oak veneer floors. Richard presents a new solution to the ugly PVC intake and exhaust pipes that come out of a typical boiler. Kevin tours an 1870 Italianate style home in Dedham, Massachusetts. Tom shows Kevin some of his favorite applications for radiant heat. In the second half of the hour, on ASK THIS OLD HOUSE, Richard visits a historic home in Mobile, Alabama, and installs a clawfoot tub with shower. Tom installs a permanent fire escape ladder in a bedroom. Roger shows the best way to prune trees. And the guys ask, "What is it?"