"Soooooooo if you know ANYTHING about Modular/mobile homes...you understand what the challenges are,,,,,,How would you do it????.... (Aprx. 1000 bats of 3 or 4 species,,)Bats are everywhere including wall and roof cavities Wood panel mansard with modified bitumen roll roofing and plywood over original metal decking,,,,,,,,, _________________________" . . . .