SewperCoat® has been the go-to 100% calcium aluminate mortar solution for protecting or rehabilitating wastewater infrastructure from H2S biogenic corrosion for over 30 years. For nearly 2 decades, National Works, Inc. has been the premier applicator of SewperCoat® across Texas. National Works, Inc. specializes in coating new manholes, rehabilitating existing manholes, and protecting and repairing underground sewer structures of all sizes.  SewperCoat® has been trusted by municipalities across the world due to its performance in severe environments, along with its 10-year manufacturer warranty.

• New Manhole Coating
• Manhole Rehabilitation
• New Wet Well Coatings
• Wet Well Rehabilitation
• Headworks Structure Rehabilitation