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Sealing the Deal: Why Polyurea Stands Out in Bridge Deck Waterproofing

Bridge deck waterproofing is crucial for maintaining the structural integrity of bridges. Over the years, I’ve studied various waterproofing materials and their long-term performance, and I’ve seen polyurea coatings emerge as a clear leader in the field. The need for durable, flexible coatings is not new—bridge decks face constant stress from traffic, weather, and temperature shifts. However, what sets polyurea apart is its combination of rapid application, durability, and flexibility, which allows it to outperform many traditional materials. Most commonly used waterproofing methods, such as asphalt membranes and epoxy coatings, provide a moisture barrier between the concrete and the environment. Asphalt membranes, for instance, have been employed for decades due to their low cost and ease of installation. But over time, these membranes can suffer from cracking, particularly in regions with temperature fluctuations. Water can seep into the cracks as the membrane becomes brittle, eventu...

How Polyurea protects precast concrete on the San Mateo Bridge in San Francisco.

The longest bridge in the world when it was completed in 1929, the original San Mateo-Hayward Bridge was a two-lane, low-level structure of just 35 ft in elevation. It connected Highway Rte. 92 between San Mateo and  Alameda counties. A 1967 renovation of the California Department of Transportation (Caltrans) added another lane in either direction. In the '80s and '90s, annual traffic volume on the San Mateo Bridge grew 70% to an average of 72,000 vehicles, according to Caltrans. To handle the large volume of vehicles, Caltrans began a construction project to build a new parallel trestle bridge on the north side of the existing bridge that will serve the westbound traffic with three travel lanes and shoulders on both sides. The east approach was also widened to three travel lanes in each direction, thus creating six continuous lanes in both directions. To protect the precast concrete components in this expansion project, Caltrans issued a call for bids to coat every concrete gi...

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Floating Containment Barriers & Mats for Bridge Repair



Floating Containment Mats are the perfect solution for falling debris, tools, lead paint, and other contaminants that can enter water sources. Made from an impermeable fabric material, these mats keep contaminants contained by floating along the bottom of a bridge, dam or barrier to catch pollutants before they enter the water. Built to your specific requirements, these mats are commonly installed along dam walls, underneath bridges, and in other locations where items may be prone to falling during a repair.

OX containment mats are manufactured in the USA and can be custom created to satisfy your specific requirements to catch, contain and prevent spreading of pollution on your job site. We offer two varieties of containment mats: The Floating Containment Mat, and The Floating Containment System.



Floating Containment Mat
Floating containment matStandard design of OX floating containment mats feature an impermeable PVC fabric with built-in side floatation walls. This creates a complete containment area that can catch hanging debris, tools, paint, asbestos and other pollutants. All mats feature a conventional wall height of six inches (6") to contain materials as they fall from the work area.    These mats will help keep your job site in compliance and provide a reliable secondary containment protective barrier.


6" Flotations
22 oz. Impermeable PVC Fabric
Multiple Sizing Options
Reusable Containment Mat
Foam Walls
We recognize that each job site is unique. Contact us about custom containment solutions.

Floating Containment System
Floating containment systemThe second containment mat option is a system that uses our high-quality standard floating turbidity curtain in conjunction with the floating containment mat. For use as a containment device, these standard curtains can be installed horizontally to collect and contain debris. Standard turbidity curtains feature impermeable PVC fabric, top flotations and extended bottom skirts (made to any depth from 3 to 100 feet). For these locations, the thickness of the curtain should be equal to the amount of length from the wall required for your barriers.

Features:

Large Area for Containment
Contains Built-In Flotation Device
A skirt can Install Easily to Dam Wall
Rolls up during Transportation
Can be Towed into Installation Placement
Does not Block the Flow of Water
Barriers should be attached to the dam wall by the skirt to keep the entire unit afloat.

Looking for a bridge repair containment systems to use during piling cleaning, repair, or extraction? Check out the Piling Protection Sock and the Piling Extraction Floating Containment System

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