Outdoor, Back Yard, Wood Patio, Porch, Deck, and Grass An energy-efficient TPO membrane covers the living room’s zigzag roof.  Photo 16 of 69 in i by Dr David C Shaffer from A Self-Taught Designer Builds a Midcentury-Inspired Home on a Budget

i

16 of 69

An energy-efficient TPO membrane covers the living room’s zigzag roof.