The Owens Corning RU41 Fiberglass Insulation is designed for wood framing applications, RU41 fiberglass insulation delivers proven thermal control and effective sound dampening. Engineered with enhanced recovery and stiffness, it allows for quick and efficient installation. This insulation maintains long-term performance without settling or slumping in wall cavities. Notably soft as cotton, it features a shed-resistant design with minimal dust, promoting a cleaner and safer install environment. Compression packaging ensures easier handling and transportation on job sites.

Thermal performance - delivers consistent R-value typically R-19 helping meet energy code requirements

Sound control - reduces noise transmission between rooms for improved interior comfort

Stiffness and recovery - rigid batts with excellent recovery properties for faster and easier installation holds shape within cavities

Non-settling - maintains long-term performance without slumping or shifting after installation

Soft texture - soft as cotton, with a comfortable handling experience

Low dust / shed-resistant - engineered for minimal dust and reduced irritation compared to older fiberglass products

Compression packaged - space-efficient packaging for easier transport and storage on job sites