the product that made the Icynene name synonymous with superior-quality spray foam insulation. It has been used in thousands of residential and commercial projects since 1986, consistently outperforming traditional insulation types. advantages:



is Icynene's leading closed-cell spray foam insulation product from the proven industry leader. It is air-impermeable with a built-in vapor retarder.

  • Closed-cell
  • 2.0 lb.
  • Medium density
  • A low-emitting material (LEM) as per CHPS EQ 2.2 Section 01350 (Collaborative for High Performance Schools).
  • Low-odor

advantages in commercial applications:

  • Approved for commercial building types I, II, III, IV, and V construction
  • Medium density closed cell structure
  • R-Value = 6.0 per inch
  • Rigid composition contributes to added wall racking strength
  • Air impermeable material resists convective heat and moisture flow
  • Class II vapor retarder at 1.5"
  • Rejects bulk water
  • 96% closed cell content
  • Suitable for both interior and exterior applications
  • Summer and winter formulations for all Climate Zones and Altitudes



is a revolutionary, renewable-based formula. It provides the same great benefits of other open-cell Icynene spray foam insulation types while exceeding the renewable content specification of the USDA BioPreferredSM program and ICC-SAVE.

The castor oil used in the making of ICYNENE LD-R-50 spray foam insulation is a natural substance so safe, it’s used in personal care products like lip balm. It's also 100% naturally filtered, with no chemical additives required, and there are many environmental reasons for using it in Icynene spray foam insulation: