Introducing Trimless Acoustical Lighting A sheetrock-looking solution for acoustical ceiling tiles. Perfectly centered fi xtures, perfectly cut tiles – Everytime.&nbsp;<br><br><br><ul><li>The clean, minimal trimless appearance of sheetrock in acoustical tiles.</li><li>No cutting. No mess. No mistakes. And less labor.&nbsp;</li><li>Proprietary tool-less mounting system.</li><li>Trimless tile housings perfectly self-center in pre-cut tiles.</li><li>Seismically rated for D, E, and F areas.</li><li>USAI’s Trimless Acoustical Lighting products must be used exclusively with pre-cut ceiling tiles by Armstrong® Ceiling Solutions</li></ul>