The Charlestown project house will retain many of its original 1865 details, but many of the crumbling brownstone lintels will not be among them. While mason Lenny Beliveau installs new cast stone lintels, host Steve Thomas visits the Rhode Island ya... (more)rd where they are made to learn about the materials and casting techniques. Roofing contractor Mark Mulloy explains the intricacies of reroofing the mansard as he and his crew finish their work on the house.