Since 1950, Polyguard Products has grown to five divisions, which protect structures from moisture and contaminants. We specialize in building envelope protection in the form of moisture and vapor barriers, non-shielding corrosion coatings for cathodic protection to avoid pipeline corrosion, duct waterproofing, corrosion under insulation (CUI) solutions, pavement waterproofing, window flashing and roofing underlayment.

Our Architectural Division offers underslab waterproofing, radon barrier and methane barrier systems, thru wall flashing, blindside waterproofing and window flashing for complete building envelope protection.Our Pipeline Coatings Division, offers highly rated non-shielding coating and corrosion coatings, including offshore girth weld coatings, which stop pipeline corrosion, resist soil stress and do not cause cathodic shielding. Our Mechanical Division offers vapor weather barrier and insulation jacket protection, pipe duct waterproofing, Alumaguard and coatings to protect against corrosion under insulation. Our Highway Division offers pavement underseal for pavement waterproofing. Our Residential Division is the home of our fastest growing product, WindowSeal™ window flashing.