Understanding Bridge Deck Waterproofing Membranes and the Best Options Available

Applying a high-quality bridge waterproofing membrane, like that offered by Polyguard, to a new or existing bridge deck will stop the contact of moisture and chlorides with the concrete, which leads to deterioration and corrosion of the steel reinforcement. Bridge waterproofing systems also protect the bridge’s integrity, extend its life, and lessen repairs and maintenance that can lead to costly and disruptive bridge closure.

Many of the aging bridges and overpasses in the U.S. were built over 50 years ago, and desperately need repairs or replacement. According to an American Road & Transportation Builders Association (ARTBA), of the 617,000 U.S. bridges, 4 out of 10 need replacement or repair (220,000), with 5 percent (11,273) specifically requiring deck rehabilitation, which can be a significant business opportunity for contractors that work with bridge deck waterproofing.

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