4X8-3/4" UL FIR PLYWOOD
TIMBERBATT R14 3.5"x15" 34.3sf
CEDAR BREATHER 39"x61.5 roll 2sq
TIMBERBATT R22 5.5"x15" 19.6sf
4x8 7/16" R3 FOAM/ZIP BOARD 1/2"