Meet Owens Corning R-11 Un-Faced Fiberglass Insulation Batts — a flexible, easy-to-install solution for insulating roofs, ceilings, and interior/exterior walls. Designed for wood or metal framing, these batts help keep your space comfortable without the drama of faced insulation.
Key Features & Design
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R-11 Un-Faced Fiberglass Batts deliver essential thermal resistance without the extra layers.
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Framing Compatibility Sized for metal or wood framing; can be stapled or friction-fit.
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Easy Installation Easy to handle and install; trim and fabricate with a utility knife.
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Thermal & Acoustic Performance Meets thermal specifications and improves interior noise control.
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Material & Durability Inorganic and non-corrosive to steel, aluminum or copper; dimensionally stable and will not decay or slump in the cavity.
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R-Value R-11.
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Size Options Available in multiple sizes to fit common framing dimensions:
- 3.5 in. x 15.25 in. x 93 in. — 157.58 sq ft/pack (IRN BU120) Wood
- 3.5 in. x 15.25 in. x 105 in. — 177.92 sq ft/pack (IRN BU122) Wood
- 3.5 in. x 16 in. x 96 in. — 170.67 sq ft/pack (IRN M41Q) Metal
- 3.5 in. x 23.25 in. x 93 in. — 240.25 sq ft/pack (IRN BU121) Wood
- 3.5 in. x 24 in. x 96 in. — 256 sq ft/pack (IRN M44) Metal
Ready to install in standard framing, these R-11 batts help improve energy efficiency and interior comfort with minimal hassle. No-fuss insulation that sticks to its promises—no drama, just better temperature control.
| Size |
Sq Ft/Pack |
IRN |
Application |
| 3.5 in. x 15.25 in. x 93 in. |
157.58 |
BU120
|
Wood |
| 3.5 in. x 15.25 in. x 105 in. |
177.92 |
BU122 |
Wood |
| 3.5 in. x 16 in. x 96 in. |
170.67 |
M41Q |
Metal |
| 3.5 in. x 23.25 in. x 93 in. |
240.25 |
BU121
|
Wood |
| 3.5 in. x 24 in. x 96 in. |
256 |
M44 |
Metal |