Such roofs are not suitable for cold climates, for accumulations of snow might overburden the structure and would also cause the wet to penetrate through any small crevices and under flashings.
flashings of x?
Other three roofs have elaborate cast iron flashings and small lucarnes with finials.
flashings around chimneys and dormers, which may be more difficult or inadvisable to change.
Our lead roof flashings are made of Code 4 lead with a welded collar.