Source: DuPont Performance Building Solutions
Effective August 20, 2025, DuPont Performance Building Solutions discontinued the production of all DuPont™ Thermax™ (ci) Exterior Polyisocyanurate (ISO) Insulation products.
All other product offerings remain unchanged and there are no changes to the following products:
- Thermax™ XARMOR™ (ci)
- Thermax™ Sheathing
- Thermax™ Basic NH
- DuPont™ Tuff-R™
- Thermax™ Heavy Duty
- Thermax™ Light Duty NH
- Thermax™ White Finish NH
- Thermax™ Metal Building Board NH
Please see the full notice letter by clicking here.