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Everlastic® 1056 Joint Filler

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Closed Cell Expanded Rubber
Black in Color
Excellent physical properties including abrasion and low temperature resistance.  Poor resistance to petroleum based fluids

Available Sizes

Rolls, Sheets - Cut to Size.

Available with pressure sensitive temporary positioning adhesive.

Use with Williams No. 37 "A" Adhesive for permanent bonding.


Expansion Joint Filler in Masonry

Isolation between dislike substrates

jntfillr.GIF (1618 bytes)

Typical Physical Properties

Property Test Method Typical Values
Density ASTM D - 1667 3.5 - 5.0 p.c.f.
Compression Deflection 25% ASTM D - 1056 1.5 - 3.0 psi.
Comp. Set 25% ASTM D - 1667 25 max %
Comp. Set 50%

(Sample Size 1" x 2" x 2")

ASTM D - 1056

(ASTM D - 1667*)

50 max %

(15 max % *)

Tensile ASTM D - 412 40 min. psi.
Elongation ASTM D - 412 100 min %
Water Absorption ASTM D - 1056 5 max %
Water Absorption ASTM D - 1667 0.1 max lbs./ft2
Heat Aging ASTM D - 1056 +/- 30 %
Thermal Stability


ASTM D - 548

(% change in length after 7 days @ 220°F)

10 max wt %


Ozone Resistance ASTM D - 1171 Pass
Temperature Use

Lower Limit to Upper Limit

-40°F to 220°F
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Phone:  Toll Free 800-521-9594    or      248-643-6400
Fax: 248-643-7117
Email: Wilpro@williamsproducts.net
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: Wilpro@williamsproducts.net  Contact Information