As for the wood, it appeared to be finger jointed pine which sometimes has a bad section(and is fast growth) and rots. I replaced the sills w/ pvc trims which are rot free.
My upstairs bathroom underwent a big change from the week before Thanksgiving until Christmas. It went from looking like it does above to what it looks like now.
I was incredibly impressed by Material Culture, the 60,000 square foot imported antique emporium and auction warehouse off Wissahickon Avenue in North Philadelphia.