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Everlastic® Expand-O-Foam 1380 Series

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Expanded, closed cell, plank, polyethylene foam.  Economical, lightweight, flexible, compressible, resilient, non-absorbent, inherent bond breaker

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Concrete expansion joint filler for the use with cold applied sealants

Place Expand-O-Foam against formed concrete, subsequent concrete placement directly to it.

Pipe isolation, thermal wrap.

Acoustical partition closures.

Corrugated deck closures.

Masonry expansion joints and column isolation.

Many other uses

Available Sizes

Standard thicknesses: 5/8" to 4"

Widths from 1/2" to 48"

Will cut to custom size and/or profile

Self-stick pressure sensitive adhesive optional

Typical Physical Properties
Density ASTM D 3575-93 2 to 2.4 pcf
Tear Resistance (@ 1/2" Thickness) ASTM D 3575-93 13 psi
Compressive Creep ASTM D 3575-93 <5% @ 3.0 psi
Compressive Strength . .

25% Deflection @

ASTM D 3575-93 10.5 psi

50% Deflection @

ASTM D 3575-93 19 psi
Compression Set

(Loaded @ 1.5 PSI 1000 hrs @ 50%)

ASTM D 3575-93 18%
Tensile Strength (@ 1/2" Thickness) ASTM D 3575-93 42 psi
Water Absorption (Lb./SF of cut surface) ASTM D 3575-93 <0.2
Thermal Conductivity (BTU-in/hr ft2 °F) at 75°F ASTM C 518-91 0.4 to 0.48
Thermal Stability (Change after 24 hours at 165°F) ASTM D 3575-93 <5%
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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