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Insulfoam R-3.85, 1-in x 2-ft x 8-ft Unfaced Polystyrene Board Insulation

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  • Insulating sheathing underlayment for 1-coat stucco system

  • Assists in achieving R-19 walls in 2-ft x 4-ft construction

  • Tongue and Groove feature reduces cracking in exterior walls

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