Exterior, Wood Siding Material, Cabin Building Type, House Building Type, Shingles Roof Material, and Gable RoofLine By building upward and outward, YH2 Architecture added to a former lumberman’s shed without harming the nearby trees. The new 1,300-square-foot home is tucked away in southeastern Quebec.  Photo 2 of 11 in Dwell’s Top 10 Cabins of 2017 from Growing Upward and Outward, a Cabin Expansion Mirrors the Trees