Our Unfaced Metal Building Insulation (MBI) is a flexible fiberglass blanket designed to enhance R-values and fill purlin cavities effectively. Ideal for multi-layer insulation systems.
| R-VALUE | APPROX. THICKNESS* | AVAILABLE WIDTHS* | LENGTH |
|---|---|---|---|
| R-8 | 2.0″ | 36″ 48″, 60″, 72″, 96″ | 150′ |
| R-10 | 3.0″ | 36″ 48″, 60″, 72″, 96″ | 100′ |
| R-11 | 3.5″ | 36″ 48″, 60″, 72″, 96″ | 100′ |
| R-13 | 4.0″ | 36″ 48″, 60″, 72″, 96″ | 75′ |
| R-16 | 5.0″ | 36″ 48″, 72″, 96″ | 50′ |
| R-19 | 6.0″ | 36″ 48″, 60″, 72″, 96″ | 50′ |
| R-25 | 8.0″ | 48″, 60″, 72″, 96″ | 40′ |
| R-30 | 9.0″ | 48″, 60″, 72″, 96″ | 25′ |
| R-32.5 | 9.25″ | 48″, 60″, 72″, 96″ | 25′ |
*Special order item: Minimum order quantities may apply.
**Custom widths also available.
Built to meet the NIA Certified Faced Insulation® standards, our Faced MBI combines light-density fiberglass with high-quality vapor retarders. Each roll is custom-laminated to fit your building's exact specifications.
| R-VALUE | APPROX. THICKNESS | AVAILABLE WIDTHS | LENGTH |
|---|---|---|---|
| R-8 | 2.0″ | 36″ 48″, 60″, 72″, 96″ | Custom laminated to length. |
| R-10 | 3.0″ | 36″ 48″, 60″, 72″, 96″ | Custom laminated to length. |
| R-11 | 3.5″ | 36″ 48″, 60″, 72″, 96″ | Custom laminated to length. |
| R-13 | 4.0″ | 36″ 48″, 60″, 72″, 96″ | Custom laminated to length. |
| R-16 | 5.0″ | 36″ 48″, 72″, 96″ | Custom laminated to length. |
| R-19 | 6.0″ | 36″ 48″, 60″, 72″, 96″ | Custom laminated to length. |
| R-25 | 8.0″ | 48″, 60″, 72″, 96″ | Custom laminated to length. |
| R-30 | 9.0″ | 48″, 60″, 72″, 96″ | Custom laminated to length. |
| TAB METHOD | DESCRIPTION |
|---|---|
| Double 3″ Staple Tabs | Facing tabs from 2 adjoining rolls are pulled together between fiberglass joint and stapled with a long-nosed staple pliers. |
| Single 6″ No-Staple Tab | First roll of insulation is installed with 6″ tab as leading edge. Next roll is nested over tab from first roll. |
| Single 6″ “Reinforced” No-Staple Tab | Mylar reinforcement is added at 6″ tab to provide rigidity. |
| Single 6″ Self-Adhering No-Staple Tab | An adhesive strip with removable backer is added to 6″ tab for adhering tab to adjoining roll. |
| Double 12″ or 15″ Tabs | For use with double fiberglass layer “High R-Value” systems. Tabs from adjoining purlin spaces are lapped together over purlin. |
| Tuck Tab | For use in single layer application where a single 6″ tab is folded under the facing of the adjacent roll. |
