Sharp angled roof lines that incline to the center create a butterfly roof. Popular after the nuclear age, this midcentury roof layout was a response to the boxy brick facades of the postwar norm. The crevice in the middle of the sloping roof was able to collect water in drought-affected locations, and the sharp angles let for excellent vaulted ceilings.
Gardner Architects LLC
This butterfly roof has equal-length sides and acts as an eave for the coated deck below.
Four Corners Construction, L.P.
The downspout of the butterfly roof shows where the water tends to run off, directly at the crevice where the two slopes meet.
Michael Tauber Architecture
This is an illustration of a butterfly roof. The lines of the structure are long and low, feature of contemporary design.
Neiman Taber Architects
Tongue and groove panels line the eaves of the contemporary butterfly roof.
Though this looks like a butterfly roof, it’s really comprised of 2 skillion roofs, which both slant inward. The advantage of this is the vertical distance between allows for a wonderful clerestory window.