Touch ‘n Seal. FR Two-Component Class 1 Fire Retardant Foam, a closed-cell thermal insulating and sound attenuating polyurethane spray foam is suitable for use in new and remodeling residential applications. It is quick and easy to apply and stops air infiltration, the company says, reducing energy loss by as much as 40%. It is compatible with all fiber insulation systems, including cellulose and fiberglass. 800.325.6180. www.touch-n-seal.com.