The exterior timber cladding is coated with black tar, a traditional Norwegian treatment. The finish serves a variety of purposes: solar heat gain, water resistance, and insect repellant.  Photo 8 of 13 in Modern Cabins by Sarah Chappell from Here's What Norse Mythology and Modern Architecture Have in Common

Modern Cabins

8 of 13

The exterior timber cladding is coated with black tar, a traditional Norwegian treatment. The finish serves a variety of purposes: solar heat gain, water resistance, and insect repellant.