UFGS 07 51 13 Built-Up Asphalt Roofing

Added notes restricting use of coral gravel in humid and ESC C3-C5 locations and gravel surface cap sheet in humid and ESC C4-C5 locations.

Sustainability updates required to coordinate with the Federal Codes and DoD policies and procedures.

Modified subpart 1.4.4.

Modified subparts 1.3, 1.4, 1.4.3, 1.4.4, 1.8, 2.14, 3.1, 3.3.8, 3.3.10, 3.5.1, 3.5.2, 3.7; added 1.4.2, 1.10-1.12, 2.11.2; deleted 2.11.1, 3.3.9

Reference changed from FM AS 4470 to FM 4470

Title changed from Asphalt Built-Up Roofing; Incorporated NASA requirements; Superseding 07 51 13.13 40 Cold Applied Built-Up Asphalt Roofing