Icynene Classic Max is an open cell spray foam insulation. This product also provides superior spray performance (up to 50 percent greater yield than competitive sucrose-based formulas), superior adhesion (to substrates and to itself), drip-free application and advanced air pocket control. ICC-ES approval (ESR 1826) confirms that Icynene Classic Max can be sprayed throughout the entire residential structure without an ignition barrier, including unvented attics.
