Description
Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes) is a professional-grade insulation solution for residential, commercial, and light-industrial construction. It is selected for dependable thermal performance, jobsite durability, and straightforward installation.
Key Benefits
- Professional-grade product for U.S. construction and maintenance projects
- Convenient packaging and clearly identified size or configuration options
- Suitable for contractors, installers, facility teams, and qualified DIY users
Specifications
| Brand | Dow |
|---|---|
| Product Type | Polyiso Insulation |
| Thickness | 1/2 in, 1 in, 1-1/2 in, 2 in, 2-1/2 in, 3 in |
| Cell Structure | Closed Cell |
| Length | 96" |
| R-Value | R10 |
| Sq Ft/Pack | 32 |
Important: Confirm dimensions, compatibility, coverage, local code requirements, and safe-use instructions before ordering or installation.





