42 in Interlocking Water-Filled Barrier, 6 ft
A tall 42 inch interlocking barrier that forms a continuous wall around work zones, sidewalks and security perimeters.
Wholesale or retail. Send the quantity and delivery ZIP and we'll quote the delivered total.

Quote: 42 in Interlocking Water-Filled Barrier, 6 ft
No price posted here. Tell us what you need and where.
At 42 inches, the barrier is tall enough to keep pedestrians out of a work area and to read as a solid wall to drivers. It is the size most often specified for sidewalk closures in dense cities.
Units link with interlocking knuckles and pins, and many models accept a fence panel on top when you need a full-height enclosure.
Best for
- Sidewalk and lane closures
- Security and event perimeters
- Sites needing a fence-ready base
Specs
- Length
- 72 in (6 ft)
- Height
- 42 in
- Material
- Polyethylene, water-fillable
- Fill capacity
- about 150 to 200 gal
- Options
- Fence panel topper, warning lights
Questions
Will a fence panel fit on this barrier?
Most 42 inch interlocking barriers accept a matching fence topper. Fence panels are model-specific, so order them together.
More water filled barriers

Low-Profile Water-Fillable Barrier, 8 ft
A low 8 ft module, about 20 inches tall, that marks airport ramps, aprons and parking lanes without blocking sightlines.
Specs and quote →

Stackable Water Barrier, 32 x 48 in
A short 4 ft water-fillable barrier that nests for storage, sized for sidewalks, driveways and tight urban work zones.
Specs and quote →

Water Wall Barrier, 32 x 72 in
A 6 ft long, 32 inch tall water-filled wall for channeling vehicles and people through a work zone or event entrance.
Specs and quote →