ASSA ABLOY SL500 - Impressive performance, exceptional reliability.
 
ASSA ABLOY SL500 overhead concealed sliding door systems create an expansive and welcoming entryway, ideal for new construction and suitable for retrofit. Featuring attractive aesthetics and robust performance, ASSA ABLOY SL500 sliding concealed doors provide an array of powerful solutions that can be trusted in even the most demanding, high-traffic environments. The ASSA ABLOY SL500 incomparable design features faster performance and heavy duty anti-risers with multiple points of contact ... all housed in an attractive 4-1/2" deep header sitting flush to the jamb.