Wood-based sheets on rafters or purlins [RWO3]

Plywood, particle board, or other sheet material fixed over wooden members.

RWO3_USA_Charleson_1

Wood-based sheets on rafters or purlins, California (A. Charleson)

RW03_Canada_Brzev_1

Plywood sheets over wood rafters or purlins - a roof under construction in Vancouver, Canada (S. Brzev)