Expansion Joints and Pre-Compressed Sealants

BEJS Bridge Expansion Joint Test Case Study:
MO DOT JJ Memorial Drive over I-270
(October 2011)

Replacement of failed joint in existing metal angles

Tech Data (.pdf)

Install Data (.pdf)

Product Summary (.pdf)

Guide Spec (.doc)


Sample Request

Checklist (.pdf)


Resize, Rebuild, Reseal

Sizing Bridge Expansion Joints

Project References

Click on images to enlarge    

Joint size and temperature compared to ensure proper sized joint material on site.

BEJS material stored in shade to increase working time on hot day.

Failed rubber seal removed and joint faces sandblasted to white metal.
Small piece of precompressed BEJS from EMSEAL cut from stick to guage expansoin rate. 10:00am

Checking the expansion rate of a small piece of BEJS foam to determine working time.

  Mixing the BEJS epoxy adhesive.
Troweling the BEJS epoxy onto the joint face.

Unwrapping the BEJS and removing it from its hardboard and shrink-wrap packaging.

  Inserting BEJS into wet epoxy on joint faces. Set to 1/2" from top of metal angles.
Applying the joining silicone to seal the butt joins and inserting remaining sticks of BEJS material.

Cleaning the silicone top surface with solvent to remove excess epoxy.

  Injecting and tooling silicone sealant bands between the bellows and the epoxy-coated joint face.

Removing duct tape from top of metal angles.

Complete BEJS joint installation.

Taking traffic.

Bridge Expansion Joints and Joint Sealants by EMSEAL

Phil Benevides
508-836-0280 --  (cell) 508-439-2508 -- Fax: 508-836-0281

EMSEAL JOINT SYSTEMS LTD. 25 Bridle Lane, Westborough, MA 01581
EMSEAL LLC. 120 Carrier Drive, Toronto, ON M9W 5R1

Last Modified: April 21, 2015

Copyright 1998-2015 by EMSEAL Joint Systems, Ltd. All rights reserved.
This document may not be reproduced in whole or in part without permission.