Knauf Insulation has introduced JetSpray Thermal Insulation System, a spray-on glass mineral wool that can be applied in a net-less, side wall application. It installs around wiring and other wall obstructions, eliminating gaps to fill cavities completely while preventing settling. Excess material is scrubbed during installation, vacuumed and reused. JetSpray typically dries within 24 hours and drywall can be installed the next day. JetSpray provides R-values of R-15 when installed in a 2- by 4-inch wall cavity and R-23 in a 2- by 6-inch cavity. Adding JetSpray to wall cavities can also reduce sound transmission up to 5 STC points. Additionally, JetSpray’s glass fibers are innately mold-resistant.
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