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Rmax R-3.2, 0.5-in x 4-ft x 8-ft Pro Select R-Matte Plus-3 Faced Polyisocyanurate Garage Door Board Insulation
R-value 3.2
Highest R-value: thinner profile and higher R-value than other foam boards
Air and water-resistive barrier: preventing air infiltration and water intrusion with foil taped seams
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