Nu-Calgon 4293-04 Expanding and Insulating Sealant for Homeowners

The Nu-Calgon 4293-04 Nu-Foam Expanding and Insulating Sealant is a polyurethane, prepolymer foam that is used as a sealant and an insulating product. It is designed to seal, fill and insulate small cracks, gaps and voids. With a tack-free time of less than 30 minutes at 70°F and 40-50% relative humidity, and an R-Value of 4.9 per inch thick, Nu-Foam is a highly effective insulator for a wide range of applications, including providing sound-deadening. The product is UL classified and fire retardant, and can withstand temperatures up to 240°F.

Nu-Foam can be used to seal and insulate areas such as openings created for refrigeration, air conditioning and heating tubes or pipes, duct joints, utility penetrations in exterior sheeting, masonry, concrete or wood walls, and other areas where unwanted air penetration might occur. The genuine Nu-Calgon 4293-04 is a 12 oz. can of Nu-Foam Expanding and Insulating Sealant, which is considered a double expansion polyurethane foam and contains 469 linear ft. of a 3/8˝ bead.

The Nu-Calgon 4293-04 insulates against heat loss and heat gain, and is tack-free in 30 minutes and dries in 4 hours. Furthermore, Nu-Calgon Nu-Foam Expanding and Insulating Sealant is fire retardant, UL classified, and contains no CFCs or HCFCs.

Nu-Calgon, a trusted brand, provides quality chemicals and specialty products for professional use only in the air conditioning, refrigeration and heating markets. The NU-CALGON 4293-04 NU-FOAM EXPANDING AND INSULATING SEALANT IS FOR PROFESSIONAL USE AND SHOULD ONLY BE USED IN ACCORDANCE WITH ALL REGULATIONS AND PROPER SERVICE PRACTICES. It is recommended to utilize the appropriate PPE (Personal Protective Equipment) during application. For use instructions, please see the product label or contact Nu-Calgon directly.

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