OPEN CELL SPRAY FOAM

R-3.7 per inch
Air Barrier: Yes
Vapor Barrier: No
Below Grade: No
Suitability: Interior
Blowing Agent: Water (reduces environmental impact)

  • Sound Damping
  • Soft, flexible consistency retains the air seal throughout the year even with structural or seasonal movement
  • Open-cell’s vapor permeability allows bi-directional drying of assemblies and allows bulk water to pass through
  • Lower cost than Closed Cell Spray Foam
  • Does not sustain Mold

Sources:
http://www.icynene.com/en- us/architects/spray-foam-basics/compare- open-cell-closed-cell-spray-foam-insulations

http://sprayfoaminsulationmaine.com/open- cell-vs-closed-cell/

http://www.aplussprayfoam.com/?page_id=84