Kids Room, Bedroom Room Type, Medium Hardwood Floor, Rug Floor, and Bench On the second floor, the sliding door to one of the kids’ bedrooms lies flush with a cork-wrapped wall. In the bedroom, a colorful custom Maharam window shade rests above a window seat with a Kvadrat cushion.  Photo 8 of 9 in A Crash Course on Cork: The Eco-Friendly Material That's Popping Up Everywhere from Ever Dream of Taking Over Your Neighbor’s Apartment?