Thermal Break Material (TBM-3)
Non-combustible thermal break engineered as a buck for metal-framed window and door installations in steel-stud openings.
Lead Time: 5 business days
Shipping: Quoted after checkout
TBM-3 is a polyurethane thermal break material which combines strength and thermal resistance. It is manufactured in a range of load capacities for various load conditions within the building envelope.
Use TBM-3 in fenestration rough openings, cladding attachments, roof penetrations, thresholds, column bases, and as fenestration bucking or picture framing proud of the exterior sheathing.
Available in thicknesses from 1" to 6" supplied in 8' × 4' sheets or cut to size. Select a density grade below to see PSI / R-value / pricing.
- Density grades from 4 lb/cf to 28 lb/cf
- PSI range: 83 to 2,233
- R-value range: 2.0 to 4.2 per inch
- Mildew, mold, rot resistant
- LBC Red List Free
Key Specifications
| Property | Specification |
|---|---|
| Density | 4 lb/cf, 6 lb/cf, 8 lb/cf, 15 lb/cf, 20 lb/cf, 28 lb/cf |
| PSI | 83, 148, 230, 638, 1,044, 2,233 |
| R-Value per Inch | 2.0, 2.6, 3.3, 3.8, 4.0, 4.2 |
Professional Grade
Built for building professionals
Fast Shipping
Direct from manufacturer
Tech Support
Expert installation guidance
Certified Performance
Tested and documented
