Ikea Bekvam RackBekvam Storage Rack Saves space on the countertop Solid birch is a durable natural material. Birch is a straight grained and light colored hardwood with light brown knots. Over time the color goes from cream to light amber. Solid wood can be sanded and surface treated as needed. Different wall materials require different types of fasteners. Use fasteners suitable for the walls in your home. Wipe clean with a damp cloth. Wipe dry with a clean cloth.