Table 1.
Three types of wall specimen tested in this study

Type	Inner-layer	Mid-layer	Outer-layer
I	35mm thick Hem-fir wallboard	2 × 4 studR11 fiberglass insulation	35mm thick Hem-fir wallboard
II	100mm thick Styrofoam insulation9.5mm thick gypsum board	2 × 4 studR13 fiberglass insulation	11.1mm thick OSB100mmm thick Styrofoam insulation
III	35mm thick Hem-fir wallboard25mm thick Styrofoam insulation	2 × 6 studR19 fiberglass insulation	11.1mm thick OSBHouse wrap25mm thick Styrofoam insulation