Radiant barrier-quality aluminum facers on TUFF-R™ Insulation enhance durability for a variety of applications.

Versatile TUFF-R™ Insulation fits numerous residential insulation and sheathing requirements and can be applied to a variety of substrates. It features a high-performance polyisocyanurate foam core with reflective foil facers on both sides (one side reinforced).

Building Code Compliance

Complies with ASTM C1289 Type I. Meets IBC/IRC requirements for foam plastic insulation. See ICC-ES ESR-3089. Calif. Std. Reg. # CA T383.

Related Information

You Can't Control The Weather. But Wether It's Too Hot Or Cold Outside... TUFF-R™ Insulation Can Keep Your Home Just Right Inside. (281KB PDF)
TUFF-R™ Insulation/Super TUFF-R™ Insulation Product Information Sheet (144KB PDF)
Dow Polyisocyanurate Insulation 15-Year Limited Thermal Warranty (95KB PDF)
TUFF-R™ Commercial Insulation/Super TUFF-R™ Commercial Insulation Product Information (109KB PDF)
Interior Basement Wall (Foam and Stud Wall Framing) – Installing STYROFOAM™ Square Edge, Tongue & Groove, SCOREBOARD™, Super TUFF-R™, or TUFF-R
Masonry Wall Systems – Installing TUFF-R/Super TUFF-R
Existing Walls – Installing STYROFOAM™ Residing Board, STYROFOAM Residential Sheathing, STYROFOAM Tongue & Groove, DURAMATE™ Plus, TUFF-R™ or Super TUFF-R™ for use as a weather-resistive barrier
Foam Over OSB – Installing STYROFOAM™ Residential Sheathing, Tongue & Groove, Square Edge, DURAMATE™ Plus, TUFF-R™, Super TUFF-R™ or THERMAX™ for use as a weather-resistive barrier
Foam Over Studs – Installing STYROFOAM™ Residential Sheating, STYROFOAM Tongue & Groove, STYROFOAM DURAMATE™ Plus, STYROFOAM Square Edge, TUFF-R™, Super TUFF-R™, or THERMAX™ – Installation of Foam Sheathing as a Weather-Resistive barrier
Foam Over Studs – Installing STYROFOAM™ Residential Sheathing, Tongue & Groove, Square Edge, DURAMATE™ Plus, TUFF-R™, Super TUFF-R™ or THERMAX™ for use as a Water-Resistive Barrier

Versatile TUFF-R™ Insulation features a high-performance polyisocyanurate foam core with reflective foil facers on both sides (one side reinforced).

Nominal Board Thickness(1), in R-Value(2) Board Size, ft Edge Treatment Min Compressive Strength(3), psi
.50 3.3 4' x 8' / 4' x 9' Square Edge 25
.625 4.1 4' x 8' / 4' x 9' Square Edge 25
.75 5.0 4' x 8' / 4' x 9' Square Edge 25
1.0 6.5 4' x 8' / 4' x 9' Square Edge 25

(1) Not available in Wash., Ore., Mont., Wyo., Idaho, Calif., Nev., Utah or Ariz.

(2) R means resistance to heat flow. The higher the R-value, the greater the insulating power. R-values are expressed in ft2• h•°F/Btu. R-value determined by ASTM C518.

(3) Vertical compressive strength is measured at 10% deformation or at yield, whichever occurs first.

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