Allied Building Products Corp., a division of Oldcastle Inc., announced in June 23 that it has completed its acquisition of Austin Acoustical Materials Inc., a privately held interior product building materials supplier based in Austin, Texas.

Austin Acoustical Materials is a one-branch distributor of drywall, Armstrong ceiling tile and related products founded in 1985 and an important addition to Allied’s interests in central Texas. For more information about the company, visit its Web site atwww.alliedbuilding.com.