Made for new frame walls or retrofit of existing walls in residential construction, Tuff-R™ products feature a high-performance foam core sandwiched between durable exterior facers. Rigid and water resistant, Tuff-R™ works in both interior and exterior walls.
Tuff-R™
Tuff-R™ Polyisocyanurate Insulation consists of high-performance, high R-value, closed-cell polyisocyanurate foam core boards sandwiched between a choice of durable exterior foil facers. On Tuff-R™ Insulation, one facer is a continuous sheet of aluminum foil; the other is a Tri-Plex facer consisting of a three-ply laminate of durable kraft with aluminum foil on both sides. Tuff-R™ helps reduce air infiltration through the wall by covering cracks between the framing members and sealing tightly against the studs.
Durable |
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Versatile |
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Performance |
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Finish |
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  | Method | Unit | Value |
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R-value per in., min<sup>1</sup> | C518 | ft2•h•°F/Btu | 6.5 |
Compressive Strength, min.<sup>2</sup> | D1621 | psi (kPa) | 25 |
Water Absorption, max.<sup></sup> | C272 | % by volume | 0.1 |
Water Vapor Permeance, max.<sup>4</sup> | E96 | perm (ng/Pa•s•m2) | <.003 |
Dimensional Stability, max<sup></sup> | D2126 | % linear change | |
Coefficient of Linear Thermal Expansion<sup></sup> | D1622 | pcf | |
Nominal Density<sup></sup> | C578 | Type | 2 |
Maximum Use Temperature<sup></sup> | - | °F (°C) | 190+ |
R-Value | Thickness (in.) | Board Size (ft.) |
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3.3 | 0.5 | 4 x 8 |
5 | 0.75 | 4 x 8 |
6.5 | 1 | 4 x 8 |
8.9 | 1.375 | 4 x 8 |
8.9 | 1.375 | 4 x 8 |
9.8 | 1.5 | 4 x 8 |
9.8 | 1.5 | 4 x 9 |
13 | 2 | 4 x 8 |