EVA Expansion Joint

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Epoxy.com Logo - Epoxy, Polyurethane, Polysulfide, Polyester, MMA - Methyl Methacrylate and other Construction Resin Systems - Over 350 Products- Since 1980  


Epoxy.com Product #63

Watertight Expansion Joint System



Epoxy.com™ Product #63 is a water-tight cross-linked closed-cell Ethylene Vinyl Acetate expanded foam material that exhibits unique properties when used in expansion contraction joints. Epoxy.com ™ Product #63 is water-tight and exhibits good chemical resistance properties to most mild non-oxidizing acids, alkalines and petroleum products.

Traffic will not embed dirt and sand in Epoxy.com ™ Product #63 as is characteristic with most pourable joint materials. It resists road salts and petroleum spills normally associated with highway traffic and oil storage.

The material remains very flexible, is non-extrudable, and may be custom cut to fit any shape. Fabrication of Epoxy.com ™ Product #63 may be accomplished through a heat-welding method on the job-site to make alterations or fabrications, etc., to meet the job requirements. Care must be taken in that the finished joint is not exposed to direct flame, thus protecting the material properties.

USES: Bridge Decks, Water Tanks, Chemical Storage Areas, Stadiums, and most vertical, horizontal, or overhead concrete or steel joints 3/8 inch or larger that require a long lasting, positive water-tight Joint.


Longevity of the joint and its ability to remain water-tight is primarily dependent upon good surface preparation. Durability will be extended by following the suggested recommendations.


(a) Sandblast or waterblast surface to remove laitance, sharp edges, protrusions or other contaminants which will interfere with the bonding agent.

(b) New concrete should cure to 80% of the design strength before application of joint.


(a) Surfaces must be sandblasted to gray metal immediately before application.

(b) Surfaces must be clean and sound.


(a) Sandblast or waterblast surface to remove any contaminants left on surface from cutting.


(a) Remove old joint material, backer-rod and other associated materials in joint opening.

(b) Repair all damaged nosing with Epoxy.com Product  #15 - (Epoxy Mortar) or Epoxy.com Product #10 Mortar

(c) Sandblast or grind existing substrate to remove all unsound concrete, oils, greases and old bonding agents. (The substrate must be clean and sound to assure positive adhesion.)


(a) Calculate movement of span to determine correct size of joint to be installed. Using the shape factor for joint sealant materials the measurement of the depth should never

exceed the measurement of the width.

(b) Epoxy.com  Product #63 should be compressed into the joint opening to a point where it will NEVER BE IN CONSTANT TENSION over long periods of time. It also should be installed in a way that will not exceed 50% in compression. Under over compression the material will develop a compression set.

(c) apply Epoxy.com ™ Bonder (Product #5 - gray or Product #18 -clear) evenly to both inter surfaces of the nosing and both sides of the Epoxy.com ™ Product #63 with a small brush or putty knife. (See Epoxy.com ™ Technical Data the bonder to be used-Product #5 or 18 mixing instructions).

(d) Compress joint into joint opening and remove all excess bonding material.

(e) Use a Teflon coated iron to heat weld Epoxy.com  Product #63 into continuous lengths.




The information that follows was obtained using the standards for testing preformed expansion joint material for concrete established by AASHTO in accordance with T4249 (1974).


(3 months total immersion) (Compressed to its original size 3 times)

Thickness Absorbed Thickness Recovery

1" 3" 1.01% 4" 99.1%

½" 99.4%


(Compressed 50% its original size and the Average Elongation @Bond Failure 195%

amount of extrusion measured.) Average Maximum Tension 120 p.s.i

Thickness Extrusion ULTRA VIOLET

1" 0.134 The specimens showed no deterioration or degradation of the cell structure.


Color Pounds per Cubic Foot (Compressed & calculated utilizing the White 2.82 stress/strain relationship)

Grey 3.00 Average Modulus

Color Load p.s.i Elasticity

White 16.35 32.7 p.s.i

Grey 17.97 35.9 p.s.i


This information is presented in good faith to assist in determining whether our products are suitable for application. No warranty or representation, however, is intended or made, nor is protection from any law or patent to be inferred, and all patent rights are reserved. 950512ll


Proper mixing and installation is critical to the optimal success of all product.  See Installation Tips, Techdata, & MSDS for more details on our products.  Be sure to contact us with any questions and/or concerns that you have.

For more information please contact:

A Division of Epoxy Systems, Inc
20774 W. Pennsylvania Ave.
Dunnellon, Florida 34431
Over 300 products,
Since 1980
Florida & Vermont

Office Hours: 9AM-4PM Eastern Time (6AM-1PM Pacific Time).
Closed 12Noon-1PM Eastern Time for Lunch.

321-206-1833   Customer Service - Ordering and Order Status
                          Katey Fontaine, VP - Customer Service Director

714-657-3826  Technical Support
                         Norm Lambert, President - Technical Support Director 
352-489-1666   Accounting and Administration
                          Debby Lambert, CEO, and CFO

352-489-1625   Fax line to all Departments

24 hour Hazmat Emergency Telephone Response Service -1-800-633-8253

MasterCard, Visa, and American Express logo

Copyright © 1994-2009 EPOXY.COM a division of Epoxy Systems, Inc. - Florida and Vermont.  All rights reserved.

Unless other wise agreed upon in writing, buyer is responsible for the cost of shipping.

This information is presented in good faith to assist in determining whether this product is suitable for application. No warranty or representation, however, is intended or made, nor is protection from any law or patent to be inferred, and all patent rights reserved.

Epoxy.com a division of Epoxy Systems, Inc.  warrants its products (when properly stored) for the period of time as follows: Epoxies, Product #315, Product #315BC, and Product #316 one (1) year; Polyesters, Methyl Methacrylates (normal) two (2) months and Polyurethanes Four (4) months;  Power Tools and Equipment 90 days; Vinyl Esters, High Molecular Weight  Methacrylates (HMMA) and all other resins (not specifically mentioned above) 30 days; hand tools (non-power tools) 30 days.   Epoxy.com warrants that its products will be free of manufacturing defects and will be in conformity with published specifications when handled, stored, mixed and applied in accordance with recommendations of Epoxy.com. If any product fails to meet this warranty, the liability of Epoxy.com will be limited to replacement of any non-conforming material if notice of such non-conformity is given to Epoxy.com  within the warranty period for the material (as indicated above), or within 1 year of the delivery of materials (whichever is sooner). Epoxy.com may in its discretion refund the price received by Epoxy.com in lieu of replacing the material. No customer, distributor, or representative of Epoxy.com is authorized to change or modify the published specifications of this warranty in any way. No one is authorized to make oral warranties on behalf of Epoxy.com. In order to obtain replacement or refund the customer must provide written notice containing full details of the non-conformity. Epoxy.com reserves the right to inspect the non-conforming material prior to replacement. EXCEPT FOR THE EXPRESSED WARRANTY STATED ABOVE, THERE ARE NO OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE. Epoxy.com 'S OBLIGATION SHALL NOT EXTEND BEYOND THE OBLIGATIONS EXPRESSLY UNDERTAKEN ABOVE AND Epoxy.com  SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO THE PURCHASER OR ANY THIRD PARTY FOR ANY LOSS, COST, EXPENSE, DAMAGE OR LIABILITY, WHETHER DIRECT OR INDIRECT, OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. All quotes and sales subject to availability.

Many of our products are made on an individual order basis.   Unless authorized in writing by Epoxy.com a division of Epoxy Systems, Inc. in writing before the material is made, there are no returns on items purchased from us, once the order has been processed, and the material made. In the event of authorized returns a restocking charge will be charged in the amount of 30% of the value of the material returned or $150 whichever is greater.  No returns on non-list priced items.  All Returns are for merchandise (store) credit only, no cash or credit card credits.  In the event of a return, buyer is responsible for the cost of shipping and handling in both directions.


[Home] [Catalog of Products] [Where to Start] [[Bonding Systems] [Chip Floors] [Chemical Resistance]
[Coatings] [Conductive] [Applications] [Elastomeric Systems] [High Temperature]
[Industrial Floors] [Injection] [Joint Systems & Sealants] [Mortars / Grouts] [Novolac] [Polymer Systems]
[Primers and Sealers] [Misc.] [Seamless Flooring] [Waterproofing] [Dealers Wanted] [Installation Tips]
[Product Guide] [Wood Filler] [Who We Are] [Guide Specs]
[Tech Data Sheets in Acrobat Format ] [MSDS in Acrobat Format] [Online Ordering Authorization Form]

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