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Everlastic® Open Cell Sponge Neoprene Joint Filler 1400 Series

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Black Neoprene Sponge Rubber with an interlinking cell structure for increased compressibility and outstanding resiliency.

1400series.GIF (2325 bytes)


Structural Isolation; Vibration Dampening; Press Pit Lining; Sealant back up; etc.

Available Roll Sizes

1/4" x 36" x 60 LF

3/8" x 36" x 45 LF

1/2" x 36" x 36 LF

1" x 36" x 24 LF

Other Thicknesses available upon request

Thicknesses greater than 1" must be laminated

Material may be slit, die cut or saw to any size needed

For Press Pit Applications

The 1400 Series is very soft and will Absorb the lateral movement.

Presspit.GIF (2913 bytes)

The 1200 Series is very hard and will Isolate and disperse the vibration from the sub base.

Typical Physical Properties

Property Typical Values
Density 25 to 40 p.c.f.
Compression Deflection 25% 2 to 5 psi.
Compression Set 50%

(50% Deflection 22 hrs @ 158°F)

50% Max


Tensile 60 psi. min.

(.125" thick specimen)

Elongation 300% min.

(.125" thick specimen)

Durometer 2 to 7 Shore "A" hardness
Aged Compression Deflection


+/-20% change from original

(7 days @ 158°F)

Resilience Factor

(Bayshore Method)

30 to 40 % Rebound

(.50" thick at room temperature)

Please contact us by;  
Phone:  Toll Free 800-521-9594    or      248-643-6400
Fax: 248-643-7117
Rubber, Neoprene, Foam, Gasket, Seal, Construction. To the best of our knowledge this published information is accurate, however, to determine suitability of material/product for a specific application is the user's responsibility.  Williams Products, Inc. shall not be liable for any loss or damage resulting from inappropriate usage.
Everlastic® is a registered trademark of Williams Products. All other products mentioned are registered trademarks or trademarks of their respective companies.
Contact Williams Products: Phone: 800-521-9594 or 248-643-6400 or Email:  Contact Information