Box Culverts

ErgonArmor manufactures key joint sealant products to protect precast concrete box culvert joints from inflation and exfiltration. Blackhawk Pipe Joint Mastic is a tried-and-true towel-grade joint sealant that seals the annular space of a box culvert. When the annular space of the joint is packed full of material and when the joint is set, the squeeze out gives visual indication that the joint is fully sealed. Blackhawk Hawk-Seal butyl joint sealant comes in preformed rolls which can be placed into the annular joint space. Hawk-Seal comes in a variety of high tack, resilient butyl rubber sizes to fill the appropriate joint size. Blackhawk Hawk-Wrap butyl rubber joint wrap comes in various sizes appropriate to cover a precast joint. Hawk-Seal has a heavy-duty HDPE laminate incorporated for extreme puncture and tear resistance.