Technical Documents Product Brochures Defendoor™ SchoolSafe® Standard SchoolSafe® Premium Product Specifications Contact us for product specifications. Quality Specifications Laminated Quality Specifications Bullet Resistance Specifications UL 752 Rating Chart Level 1 1801 Low SpallLevel 1 1802 No SpallLevel 1 1803 Low Spall Level 1 1901 Low SpallLevel 2 1806 Low SpallLevel 3 1807 Low Spall Level 3 2001 Low SpallLevel 3 2002 No SpallLevel 4 1811 No Spall Level 4 2005 Low SpallLevel 5 1814 Low SpallLevel 5 1815 No Spall Level 7 1817 Low SpallLevel 7 2003 No SpallLevel 8 1819 No Spall Level 8 1820 Low Spall Purchase Terms & Conditions Product Purchase Terms & Conditions ForeverSafe™ Replacement Program Product Warranty Informational Documents Fabricated Glass with Holes and Notches Opening of Ballistic Partition Crate Tolerance Limits and Aesthetic Realities What Is Spall?