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Uncoated Non-Precompressed Closed Cell Foam System Recessed Application (ESU)

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The Nystrom Uncoated Non-Precompressed Closed Cell Foam System is designed to provide a permanent weather tight seal.


  • Multi-Functional
  • Vertical or Horizontal Installation
  • Non-Invasive Anchoring
  • Wax Free


Model ESU
Material Closed Cell Foam 
Joint Sizes 1/2 inch to 10 inches
Sizes available in 1/4-inch increments starting at 1/2 inch
Product supplied uncompressed at a standard 25% larger than the mean joint size
Length 6 linear feet
Application Interior or Exterior
Installation Ceiling, Wall or Floor
Options Terminations, Transitions, Additional Sizes, Seal Depths and Pick-Resistant Coatings available upon request
Movement +/-25% (Total 50%)
Warranty 1 year

Colors Gray

Order Guide

Use the table below to guide specification of available options. The part number components are indicated in BOLD ORANGE text.

at mean T° F
EJN-ESU-050 1/2" (13mm) 1-1/2" (38mm)
EJN-ESU-063 5/8" (16mm) 1-1/2" (38mm)
EJN-ESU-075 3/4" (19mm) 1-1/2" (38mm)
EJN-ESU-100 1" (25mm) 1-1/2" (38mm)
EJN-ESU-200 2" (51mm) 2" (51mm)
EJN-ESU-300 3" (76mm) 2" (51mm)
EJN-ESU-400 4" (102mm) 3" (76mm)
EJN-ESU-500 5" (127mm) 3" (76mm)
EJN-ESU-600 6" (152mm) 4" (102mm)
EJN-ESU-700 7" (178mm) 4" (102mm)
EJN-ESU-800 8" (203mm) 4" (102mm)
EJN-ESU-900 9" (229mm) 4" (102mm)
EJN-ESU-1000 10" (254mm) 4" (102mm)

Movement of +/-25% (Total 50%)

Note: Sizes available in 1/4-inch increments starting at 1/2"


NYSTROM warrants all Expansion Joint Systems to be free from manufacturing defects in materials, factory finishes, and workmanship for a period of one (1) year from the date of shipment.

Should a product fail to function in normal use within this period, Nystrom shall furnish a replacement or new part at Nystrom's discretion. Failure to use product in methods consistent with Nystrom product manuals shall relieve Nystrom of any liability. Our liability under this warranty excludes installation or removal costs involved in the product replacement and excludes any responsibility for incidental or consequential damage of any nature.

For information on a warranty claim, please visit our Warranty Support section or call 800 547-2635.

Warranty Support


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Description Model Shop Drawing CAD Revit/BIM Data Sheet 3-Part Specs LEED Installation Warranty
Wall, Ceiling or Floor (non-traffic) EJN-ESU-050 to EJN-ESU-1000 PDF DWG PDF WORD PDF PDF


Exterior Wall, Open Air Structures (Stadiums), Parking Structures
Material Type:
Compression / Foam
Movement Type:
Seismic, Thermal