Icynene Inc.’s Icynene ProSeal is a closed-cell medium density spray-foam insulation with a high application yield. Icynene ProSeal’s formulation allows for an initial pass of 3 inches, which produces an R-21 value and qualifies it as a Class II Vapor Retarder. Icynene ProSeal has an R-7 value per inch, works year-round and is suitable for cold weather applications to 23-degrees F (-50-degrees C). The spray-foam insulation is approved for use in Type I-V construction, meets the same commercial approvals as its predecessor, Icynene MD-C-200, and passed ICC-ES AC377 for use in unvented attics and crawlspaces without an ignition barrier.
