DURAMATE™ XPS Insulation

DURAMATE™ Plus is a STYROFOAM™ Brand Extruded Polystyrene (XPS) Foam Insulation, designed for residential home construction. Dow's strongest XPS foam insulated sheathing, with proprietary extra-tough plastic on both sides.


  • For residential applications
  • Particularly suitable for applications where the foam sheathing is fastened to frame walls
  • Can be installed as a water-resistive barrier


  • Extra-strong, rigid and moisture-resistant product
  • Strong film facers reduce damage and waste on job site
  • Lightweight and easy to handle
  • Easy and accurate installation
  • Contains an average of 20% pre-consumer recycled content certified by UL Environment Inc.

Need to Know More?

N -

North America

E -

Europe, Middle East, Africa & India

A -

Asia Pacific

L -

Latin America



Typical Application

Surface Treatment

Board Dimensions

Board Dimensions

DURAMATE™ Plus Insulation


Insulated Sheathing

Reinforced Facer

4x8, 4x9