Watch This Old House Season 15 Episode 21 Online

The show opens at the Punchbowl, an extinct volcano crater that is the site of the National Memorial Cementry of the Pacific, burial place of Americans who have fallen in World War II, Korea and Vietnam. On site, the new addition begins to take shape, with stud walls up and prefabricated trusses arriving on site. All lumber is pressure-treated to battle the resident termites. Homeowner Christiane Bintliff decides to go with a wood shingle roof, as the original house had, and our host talks to roofer Jim Wilkinson about the reasons behind the high - $21,000 - labor cost involved. We visit the USS Arizona Memorial at Pearl Harbor and learn of the events that brought the US into World War II. Back on the job, engineer John Allison and project super Rob Varner discuss options to tie the roof down to the sidewalls to protect against the lifting effect on high winds. Inside, our master carpenter shows us the unique way the original building is put together, and then builds a new single-wall