Tunnel Ceiling & Wall Drainage Systems.DELTA® Tunnel Ceiling & Wall Drainage Systems provide effective high capacity drainage for tunnel construction. The drainage systems are available with or without flame retardants.
DELTA®-MS 20
DELTA®-MS - B1 (flame retardant)

World of Concrete
Jan. 24 - Jan. 27, 2011
Las Vegas, NV, USA

International Builders Show
Feb. 8 - Feb. 11, 2011
Orlando, FL, USA

RCI Internation Convention and Trade Show
Mar. 15 - 20, 2012
Dallas, TX, USA