The layers of thick wool felt are shingled along the walls and seating, fastened with galvanized roofing nails to the wall studs. The undyed wool felt acts as blanket, insulation and wind stop; it is naturally fire-resistant and can withstand the elements that enter through the gaps in the walls.  Photo 3 of 8 in Warming Hut by Aamodt / Plumb

Warming Hut

3 of 8

The layers of thick wool felt are shingled along the walls and seating, fastened with galvanized roofing nails to the wall studs. The undyed wool felt acts as blanket, insulation and wind stop; it is naturally fire-resistant and can withstand the elements that enter through the gaps in the walls.