Exterior, House Building Type, and Wood Siding Material Passive House guidelines, like thick insulation, can often result in very simple forms, she says. Here, a recessed entrance in the shou sugi ban front facade provides privacy without complicating the design.  Photo 4 of 11 in 10 Dwell Projects That Were Proudly Designed by Women from The New Home On the Block That Uses 90 Percent Less Energy