Alpha Pro Tech, Ltd. is a Canada-based company, which develops, manufactures and markets a line of building supply products for the new home and re-roofing markets and a line of disposable protective apparel for the cleanroom, industrial, pharmaceutical, medical and dental markets. Its segments include Building Supply and Disposable Protective Apparel. The Building Supply segment consists of construction weatherization products, such as house wrap, house wrap accessories, including window and door flashing, and seam tape, synthetic roof underlayment and synthetic roof underlayment accessories, as well as other woven materials. The Disposable Protective Apparel segment consists of a complete line of disposable protective garments (shoe covers, bouffant caps, coveralls, gowns, frocks and lab coats), face masks and face shields. The Company’s products are sold under the Alpha Pro Tech brand name, as well as under a private label and are predominantly sold in the United States of America.