Continued building paint booth. Installed 12 - 20"x25" filters, 6 in north wall and 6 in south. Added man door header. Cut exhaust fan panel from OSB. Set Ralph's 2 fans at the bottom and an attic fan on top. Ducting from these 3 fans will go out the adjacent window. Purchased 100' x 20' 6 mil plastic sheeting. Cut a 50 x 20 piece and wrapped the booth frame.