PERMAX™ by Henry is an advanced spray polyurethane foam (SPF) technology offering design professionals, building owners, property managers and OEM (Original Equipment Manufacturers) significant benefits including increased thermal performance of roofs and walls, applicability to a variety of OEM applications, and sustainability of the building envelope.

Johns Manville offers a number of fiber glass and mineral wool insulation choices for every part of your home, each with different advantages and benefits, offering you superior quality and safety to help improve the energy efficiency and comfort of your home.

Johns Manville blown-in fiber glass insulation is a premium aternative to cellulose.

Johns Manville foam boards are used as insulation/nailbase underlayment for a variety of roofing systems and sidewall applications.

At Johns Manville, we are committed to delivering the industry's most complete line of HVAC insulation for both commercial and residential buildings.