As of 2015, major home improvement retail chains such as Lowe's, Carter Lumber and Menards carry ceiling tiles. Many local retailers also sell the product, and the Armstrong website features a Where to Buy Armstrong locator tool to find them.
To find a local retailer that sells Armstrong ceiling tiles, navigate to Armstrong.com/residential-ceilings. Click the Find A Store link near the top of the page. The Internet browser may prompt the option for location sharing, which is optional. Enter a ZIP code in the search box on the left side of the page, specify a distance range for the search in miles or kilometers, and click the orange Find icon to view a list of Armstrong retailers with an accompanying map.