Arrlin Interior Supply is a major supplier of Certainteed® acoustic ceilings and also sells a variety of interior building supply materials, to our commercial and industrial customers throughout the Greater Toronto Area and South Ontario in cities such as Toronto, Etobicoke, Scarborough, Vaughan, Richmond Hill, Newmarket, Markham, Ajax, Pickering, Brampton, Mississauga and the surrounding cities. A large portion of our interior building supply products include: Acoustical ceiling tiles and T-Bar Suspension Systems. Feel free to browse our products page for more information. We are one of the most knowledgeable interior building supply companies in the industry. We place our customer’s need for satisfaction above all else thereby providing them with remarkable interior building supply products at incredibly low prices which enables them to achieve their desired construction projects as we have always done for 33 years and counting.