东北地区的flat roof改成 low sloped roof 或者pitched roof有戏么?花费高么?# Livings*a2015-07-20 07:071 楼看到个房子是flat roof不敢下手,不知道会不会雪大压坏或者漏水。又或者改造一番,加高pitch成low sloped roof或者pitch roof,花费会很高么?