Tom Silva explains the insulation he's been puting up in the kitchen, and in the master bath. We see a new screw gun the blueboarders are using, and then get a tour of the new air conditioning system. In the basement, Paul Kennedy installs a new generation of breaker boxes. Back at the workshop, our master carpenter bulids column support boxes for the portcio. Finally, the crew installs the grass entry door in the new back porch.