Products / Cush-A-Therm Overlay

Cush-A-Therm Overlay

Can be used as an outer layer atop 1" thick Cush-A-Therms to bring overall thickness up to 2-1/2". Cush-A-Therm is a unistrut style support for tubing used in refrigeration and HVAC applications. It is quick and easy to install and designed to properly support the tube without compressing or crushing from active-piping system loads.


Closed-cell rigid polymeric foam lined with closed-cell EPDM rubber.

Working Temperature

-70 °F to 257 °F (-57 °C to 125 °C) per ASTM C 411.

Fire Response

Self-extinguishing through 2” thick per ASTM D635. *NOTE: Has not been rated as a dual-layer assembly

Compressive Strength

314 PSI at yield per ASTM D 1621

Thermal Conductivity

.312 K value.

Water Absorption

<7% by weight according to ASTM D 1056

Water Vapor Permeability

0.00 Perm according to ASTM E 96,Procedure A and B.

Size Range

Available for tubing from 1/4” to 2-1/8” OD.



Length of Support


Product Submittal

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