Interesting that sloped window sills are considered hostile. They're important for preventing rot and water damage, regardless of size and type of building, but

Interesting that sloped window sills are considered hostile. They're important for preventing rot and water damage, regardless of size and type of building, but in modern construction too expensive. There was a good article from an historical architect I read some years ago lamenting how architects no longer consider small details like that anymore, even for projects where such expense wouldn't be an obstacle. I was visiting and walking through a Boston neighborhood earlier this year and noticed a very old brownstone (or whatever the Boston equivalent is) that had recently been remodeled on the ground floor. There were two windows, one original and one newly built. The original had a sloped window sill of 4-5 inches but the new sill, the same width, was level. Even with aluminum window casings I imagine the new window will eventually begin to leak sooner or later.