As the premier provider of metal lath products to the construction industry, CEMCO offers expansion joints and expanded corner beads manufactured by Niles Building Products, Inc. These expanded metal trims and expansion joints are produced from hot-dipped galvanized steel that comply with ASTM C1063 and C841. Some products are also available in pure zinc on a special order basis. Corner trims are available in 1-A or 2-A Reinforced configurations in 8’, 9’, 10’, and 12’ lengths carefully packaged in heavy-duty cardboard boxes for easy shipment and storage.

Expansion joints are also made from high quality hot-dipped galvanized steel, and are available in double J, double V, #30 inside corner, and #40 adjustable configurations. Each of these products is manufactured to strict depth or ground dimensions to ensure the best finish possible in exterior plaster finishes. Available grounds include ¼”, 3/8”, ½”, ¾”, and 7/8”.

Also available from the CEMCO plaster accessories group is .093 pure-zinc control joint manufactured by Niles Building Products. Used specifically for interior applications, this gypsum board control joint is easily installed with staples, and a removable plastic strip for a clean, crisp joint line.