For the same thickness, which of the following materials has the highest R- value?
A)Extruded polystyrene
B)Expanded polystyrene
C)Polyisocyanurate
D)Gypsum
E)Fiberglass

Name: For the same thickness, which of the following materials has the highest R- value? A)Extruded polystyrene B)Expanded polystyrene C)Polyisocyanurate D)Gypsum E)Fiberglass
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Question

Quizplus · Accepted Answer

Polyisocyanurate has the highest R-value per inch of thickness compared to the other materials listed.

For the Same Thickness, Which of the Following Materials Has