You can normally special order them from office supply stores. Here's a 10-footer at office depot http://www.officedepot.com/a/products/686424/Quartet-Melamine

You can normally special order them from office supply stores. Here's a 10-footer at office depot http://www.officedepot.com/a/products/686424/Quartet-Melamine-Chalkboard-With-Aluminum-Frame/;jsessionid=0000K1__lUSInO5WM6jvqojI9Ai:17h4h7b45 http://www.officedepot.com/a/products/686424/Quartet-Melamin...