Aqua-Barrier® cofferdams are constructed from industrial grade vinyl coated polyester. This fabric is laminated with a base of woven polyester between two layers of flexible polyvinyl chloride. These units can be REPAIRED EASILY in the field in both wet or dry conditions, are REUSABLE and provide for compact storage, transportation, and ease of handling. To give our customers options, we are able to customize the size tailored to specific needs.