All straight side require support legs. Square and rectangle containment lends itself for future tank battery expansion in any direction.

Standard dimensional ranges:
Containment body sheet length:

Two sizes 112.5" or 75"
112.5" is nominal body sheets for most containment
Containment body sheet height:
22 inch, 36 inch and 44 inch
Capacity:
no maximum capacity with square or rectangle.

Constructions of containment walls are easy to get to the job site and take little time to install. Maintenance is little to none, which makes the ongoing cost less than dirt berm containment. Brock containment takes up a smaller footprint then dirt. Brock containment is ideal for jobs where land is at a premium or the shape warrants less square footage to be utilized by containment.