John Manville Formaldehyde-free unfaced thermal and acoustic insulation offers R-50 and is offered in precut batts to fit standard wall cavities or rolls for custom installation in any size cavity. Unfaced insulation reduces sound transmission through walls, ceilings and floors, and can be used in a variety of wood frames, engineered wood and steel frame construction applications, including new construction and retrofit.
- Thermally efficient – Effective resistance to heat transfer with RSIR values of RSI 7.0 (R50) for metal studs
- Formaldehyde-free – Will not off-gas formaldehyde in the indoor environment
- Sound Control – Reduces sound transmission through exterior and interior walls, floor and ceiling assemblies
John Manville Insulation Batt Unfaced Thermal and Acoustic in Fiberglass R-50 – 13.25 x 24 x 48-in
John Manville Insulation Batt Unfaced Thermal and Acoustic in Fiberglass R-50 – 13.25 x 24 x 48-in
John Manville Formaldehyde-free unfaced thermal and acoustic insulation offers R-50 and is offered in precut batts to fit standard wall cavities or rolls for custom installation in any size cavity. Unfaced insulation reduces sound transmission through walls, ceilings and floors, and can be used in a variety of wood frames, engineered wood and steel frame construction applications, including new construction and retrofit.
- Thermally efficient – Effective resistance to heat transfer with RSIR values of RSI 7.0 (R50) for metal studs
- Formaldehyde-free – Will not off-gas formaldehyde in the indoor environment
- Sound Control – Reduces sound transmission through exterior and interior walls, floor and ceiling assemblies
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Rockwool Comfortbatt R22 Wood Stud Insulation
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