Section 07 PLASTICS AND ARTICLES THEREOF; RUBBER AND ARTICLES THEREOF 39 PLASTICS AND ATRICLES THEREOF 39 25 BUILDERS'WARE OF PLASTICS, NOT ELSEWHERE SPECIFIED OR INCLUDED. 39 25 20 DOORS, WINDOWS & THEIR FRAMES AND THRESHOLDS FOR DOORS Commodity Code Description 39 25 20 00 DOORS, WINDOWS & THEIR FRAMES AND THRESHOLDS FOR DOORS