Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Superior Block Co. ← View details 47515 U.S. 41, Houghton, MI 49931 +1 906-482-2731