$63.99 Extruded Polystyrene Foam Board Insulation (Common: 1.5-in x 2-ft x 8-ft; Actual: 1.437-in x 1. 
STYROFOAM R10 Unfaced Polystyrene Foam Board Insulation (Common: 2-in x 4-ft x 8-ft; Actual: 1. 
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