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Model #754404

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Rmax Plus-3, 1/2 in. x 4 ft. x 8 ft. R-3.2 Polyisocyanurate Rigid Foam Insulation Board

  • Energy efficient
  • For residential and commercial buildings
  • ENERGY STAR approved
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Product Overview

R-Matte Plus-3/Thermasheath-3 is rigid foam plastic thermal insulation board. It's made of environmentally sound, closed cell, polyisocyanurate foam bonded to a durable white-matte (non-glare) aluminum facer and a reflective reinforced aluminum facer. This product is suitable for use in wall sheathing applications in new residential, commercial and agricultural buildings and for thermal retrofit construction to existing buildings. This Energy Star qualified Rmatte Plus-3/Thermasheath-3 provides R3.2 with dimensions of .5 in. x 4 ft. x 8 ft. This product is designed for exterior and interior, non-structural uses.

Additional Resources

From the Manufacturer



Cover Area Per Bag (sq. ft.)0 ft²Coverage Area (sq. ft.)32 ft²
Product Length (ft.)8 ftProduct Thickness (in.)0.5 in
Product Width (in.)48 in


Compatible Install SurfaceCement,Existing Drywall,WoodFaced or UnfacedFaced
Insulation FeaturesFormaldehyde FreeInsulation Location2x4 Wall,2x6 Wall,Attic,Basement,Ceiling Insulation,Crawlspace,Exterior Sheathing,Garage,Re-Siding
Insulation R-ValueR3.2Insulation TypeFoam Board Insulation
Interior/ExteriorExteriorNumber of Pieces48
Pack Size48Product Weight (lb.)7 lb
Sheathing Size8 ft. x 0.5 in. x 48 in.Sheathing TypeISO

Warranty / Certifications

Warranty InformationStandard Warranty

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