MDI Work Zone Safety Products 
14
1.800.521.6776 // www.mditrafficcontrol.com
//STACKMASTER™ RUBBER BASE//
Sign not included.
◆	 Sign stand securely holds flexible roll-up signs of all 
standard shapes, including rectangular, octangular, 
triangular, and diamond shape. Accommodates sign sizes 
up to 16 sq. ft. Placement of the bottom of all signs must be 
at least 12" above the ground.
◆	 Sign stand is available with a universal screw-lock upright 
that will hold most standard roll-up signs.
◆	 The base has a steel plate molded into the rubber for 
maximum stability. In addition, the base has three molded 
carrying handles for easy movement and placement. 
◆	 Sign stand has a foldable upright. The foldable upright has a 
steel kick-release pin with a spring mechanism completely  
enclosed inside the mast. The upright is released by 
pushing the kick-release pin with hand or foot.
User Benefits
◆ 	Storage; occupy 1.5 cubic ft. folded.
◆	 The low profile design with heavy ballast prevents the need 
for folding legs that extend into traffic.
◆	 The upright holds a sign four degrees past the vertical axis 
to allow the sign to naturally lean slightly backwards  
for motorist legibility. 
◆	 Sign stand has four stacking lugs molded into the top of the 
base and four mating feet molded into the bottom of the 
base that allow sign stands to stack on top of each other.
◆	 Sign stand dimensions when deployed are 6' 8" in height, 
28" in depth, and 68" in width. When folded the unit shall 
not exceed 4.5" in height, 28" in depth, and 18" in width. 
The overall weight of the StackMaster is 35 lbs.
RUBBER BASE
™
Designed for Rugged Performance and Durability.

View this content as a flipbook by clicking here.