ALPHA PRO TECH, LTD. (Alpha Pro Tech) is in the business of protecting people, products and environments. The Company is engaged in developing, manufacturing and marketing a line of disposable protective apparel and infection control products for the cleanroom, industrial, pharmaceutical, medical and dental markets through its subsidiary, Alpha Pro Tech, Inc. Its products are grouped into three segments: Building Supply, which consists of construction weatherization products, such as housewrap and synthetic roof underlayment, as well as other woven material; Disposable Protective Apparel, which consists of disposable protective apparel, such as shoecovers, bouffant caps, gowns, coveralls, lab coats, frocks and other miscellaneous products, and Infection Control, which consists of face masks and eye shields. The Company also manufactures a line of building supply construction weatherization products through its subsidiary, Alpha ProTech Engineered Products, Inc.