Supports the following standards: AASHTO T90 12 x 12 x 3/8"-thick (305 x 305 x 9.5mm) glass plate with ground finish on one side and seamed edges. Complies with ASTM D4318; AASHTO T90.
Supports the following standards: AASHTO T90 12 x 12 x 3/8"-thick (305 x 305 x 9.5mm) glass plate with ground finish on one side and seamed edges. Complies with ASTM D4318; AASHTO T90.