Elastomer Specialties Polyurea Repair Sealants
Elastomer Specialties’ polyurea sealants and repair polymers represent the latest in "QUICK CURING" elastomer technology. These polymers have superb flexibility unlike that of extremely hard materials such as epoxies.
This new generation of polyurea chemistry is specifically designed and well suited for joint filling, crack and spall repair. ESI products are engineered to be both resilient and flexible at both ambient and sub-zero temperatures. At Elastomer Specialties, we are revolutionizing polyurea technology in order to assure our customers that they are getting the highest performance materials available in today’s industry. In addition, we have developed new material delivery systems that speed up product installation. The result of which is lower labor cost and accelerated project completion times.
"Versatility and durability is what we’re all about".
When it comes to concrete repairs in food processing plants, our polyurea elastomers are USDA acceptable and hold Agricultural approval in Canada. These polymers have excellent chemical and weather resistance characteristics and are available in black and concrete gray. When installed, ESI polyurea elastomers are almost odorless, and give off no toxic vapors.
Polyurea Replaces Moisture Cured Urethanes
Unlike lengthy cure times and temperature restrictions of moisture cured urethanes, polyurea elastomers have forever changed the playing field when it comes to interior or exterior random crack and construction joint filling. No longer is there a need to apply baby powder over the top of the urethane joint sealant in order to prevent foot and vehicular traffic damaging the installation. No longer is temperature a restricting factor when it comes to installing an elastomer sealant. ESI polyurea sealants and repair polymers offer unparalleled performance in concrete installations demanding flexibility and long-term durability.
Installing Polyurea In Joints Full and Partial Depth
Depending on the type of exposure, ESI polyurea sealants have been formulated for versatility in joint sealing. Due to longer material wet times, 4 minutes as apposed to conventional hybrid polyurea sealants that cure in approximately 2 minutes, ESI elastomers can be installed full depth or over the top of backer rod. In warehouse facilities such as Sams Club, Home Depot, Lowes, or WalMart that receive only moderate fork lift traffic, Elastomer Specialties polyurea can be installed directly over backer rod, thereby reducing additional material costs. However, in major product distribution centers where construction joints are subjected to excessive amounts of heavy fork lift traffic, (7 days a week, 24 hours a day), ESI recommends that the polyurea joint sealant be installed full depth. This application procedure assures the owner of getting the best system available, by eliminating the possibility for material punch downs and provides for a longer more durable installation.
Polyurea Curing Times & Placement
Polyureas unique chemical make-up allows for product placement within the temperature range of -45°F (-43°C) to as high as +135°F. Once installed and allowed to cure, the material is then shaved flush with the concrete slab surface to provide a smooth transition from joint fascia to joint fascia. Now the project can be reopened to both foot and vehicular traffic, usually within 90 minutes.
New Delivery Systems - VS - Hand Mix and Pour Techniques
ESI have revolutionized joint filling installations by introducing state of the art mixing and pumping equipment that precisely blends the materials. With two men operating the equipment, our installers can place as much material as an 8—10 man crew can apply using the old conventional methods of hand mixing and pouring. This new elastomer application method provides for rapid completion of the joint filling phase of the job, saving time, money, and allowing for other trades to get on with the completion of the project.
Superior Performance Under Demanding Conditions
Polyureas have almost unchanged hardness in a -45°F (-43°C) to +150°F (+66°C) temperature range. They remain resilient and impact resistant yet maintain their physical properties for supporting the joint shoulder against expected forklift wheel loads. Polyureas allow a little "give" in joints and do not become rigid over time. This "Resilient Keyed Joint" effect limits the possibility of cracking down the sides of the joints, which is typically encountered when extremely hard, non-elastomeric materials are used.
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