Insulation Products - T & G

StarR T & G is a lightweight, closed cell, rigid insulation manufactured from expanded polystyrene (EPS). StarR T & G meets or exceeds ASTM C578, Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation. StarR T & G provides the sought after energy efficiency markets are demanding.


  • StarR T & G is manufactured for both residential and commercial stucco substrate applications.


  • Proven performance
  • Environmentally friendly
  • Moisture resistant
  • Cost-effective
  • Breathable
  • Reduces stucco cracking
  • Stable R-value
  • Seamless joints
  • Mold resistant
  • Labor savings
  • Durable
  • Termite protection available

Product Data Sheets

Foam Product Type Application View / Download
T & G Type II View Download


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  • Available sizes:
  • 1"x24"x96" panels
  • 1"x48"x96" panels
Properties Type II
Nominal Density (pcf) 1.50
Thermal Resistance (R-Value)
(per inch) at @40°F 4.55
(per inch) at @40°F 4.20
Water Vapor Permeability (perms) 3.5
Water Absorption (max. % volume) 3.0
Oxygen Index, Min. 24%
Properties Type II
Compressive deformation @10% deforamtion, min. (psi) 15.0
Flexural Strength (min. psi) 35.0
Flame Spread <20
Smoke Devolped 150-350
Climate Zones