Exterior, House Building Type, Butterfly RoofLine, and Wood Siding Material The primary suite addition has a butterfly roof that can be seen from the street.  The roof has double framing - one inner layer holding insulation and structure and an outer roof that cantilevers over the walls on one half of the butterfly.  Photo 1 of 10 in Ground House by Eve Isenberg

Ground House

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The primary suite addition has a butterfly roof that can be seen from the street. The roof has double framing - one inner layer holding insulation and structure and an outer roof that cantilevers over the walls on one half of the butterfly.