Mason Mark McCullough shows Norm how he's repointing the old brick foundation. Then Norm and Tom repair the sagging front porch. Kevin visits Community Rowing on the Charles River to see how they make the Cambridge pastime of rowing available to everyone. Back at the project house, Tom and Kevin re-build the rotted historic porch railing to meet conservation district standards. Tom details the fire blocking and fire caulking as spray foam insulation begins in the balloon frame house.