Knauf Jet Stream Ultra Blow-In Fiberglass Insulation SunScreen R-Value of 4

R-Value of 4

It is also an excellent choice as a flashing material for roof and gutter repair

The integrated Aladdin Connect Wi-Fi smartphone technology allows your garage door to be part of your smart home

Eco-friendly construction from recycled materials

Knauf Jet Stream Ultra Blow-In Fiberglass Insulation SunScreen R-Value of 4Weatherize and retrofit existing buildings or new construction. Provides consistent thermal resistance against outdoor air and helps maintain indoor temperatures. Greater air resistance means better temperature control. Made with recycled glass, it's the smarter way to stand up to the cold. Application: open attics of both new and existing structures, closed cavity behind fabric or netting, and use where pneumatically installed insulation is most cost