Industry-leading and simple to use, Classic Ultra is the ideal insulation choice for professionals and building owners. Its cutting-edge formula insulates and seals all cracks and gaps with a single application and hold its shape and density over time. That’s why it’s been our flagship product.
- Aged thermal resistance: 3.7 per in.
- NFPA 285 tested
- Greenguard Gold Certified- Low VOC
- Ignition-barrier free based on assembly
- Air Barrier Material
- Very low water absorption vs conventional open-cell
- Tested for STC (sound transmission class)