We sealed over this entire commercial flat roof. There will no longer be any water leaks here.
We replaced this flat roof on Mount Pleasant NW in DC that suffered from water damage.
By simply installing a new modified rubber patch over the threshold of these connecting roofs where the underlayment was becoming detached, we stopped all current and future leaks in this potentially troublesome area.
Here we replaced a worn out porch roof on Crittenden St. NE in Washington, DC with a new granulated roofing system.