Established in 1950, Polyguard Products Inc. has expertise in building envelope protection in the form of underslab waterproofing/moisture/vapor barriers, in addition to having pipeline non-shielding corrosion coatings to avoid pipeline corrosion. The companys architectural division offers underslab waterproofing, drainboard, radon barrier and methane barrier systems, soil stress relief as well as blindside waterproofing. Polyguard Products Inc.s pipeline coatings division offers highly rated nonshielding coating as well as corrosion coatings, such as offshore girth weld coatings.