SL-17 Door is a proven choice for K-12 Schools, Public buildings, Sports complexes, Water, and Wastewater Treatment Facilities, and other applications that quickly damage or destroy lesser doors. The SL-17 is maintenance-free, dent and graffiti resistant doors for high traffic, high abuse areas.  The door has passed industry-standard tests including; impact tests, air leakage and thermal transmittance tests, hurricane testing, and sound transmission tests. Available in many colors & textures.