2405.5.1 Skylights rated for the same performance grade for both positive and negative design pressure.
BC § 2405.5.1
The design of skylights shall be based on Equation 24-13. Fg ≤ PG (Equation 24-13) where: Fg = Maximum load on the skylight determined from Equations 24-2 through 24-4 in Section 2404.2. PG = Performance grade rating of the skylight













