Concealment Extrusions October 25, 2017November 14, 2017 by root Concealment Extrusions This Profiles are ideal for wall and ceiling mounting while allowing you to hide away electronic equipment and to achieve many design applications. 1-18032A 2-F18030A 3-F18031A 4-F7454A 5-F18011 6-F18013 7-F18014 8-F18012 9-F00640