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.

Product Benefits

  • 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)