EPRO is a leading developer and supplier of innovative waterproofing systems and gas (methane and radon) barrier systems to the residential and commercial construction industry through its Authorized Applicator network. The E-Wall system (residential) and System III Plus (commercial) not only provide complete protection from water intrusion through walls, but also prevents water/vapor penetration and methane permeation through the slabs, thus completely eliminating mold, mildew and hazardous gases.