Roof Attachment for Rail-Based Solar Racking System

A roof attachment device having a roof attachment bracket, a lag screw, a rail attachment bracket, and a rail. The roof attachment bracket having an elongated aperture and a first aperture; wherein the fastener extends through the first aperture and attaches the roof attachment bracket to the roof. The rail attachment bracket comprising a rail connecting member having a second aperture, a third aperture, and an access port; a first bolt coupling the roof attachment bracket to the rail connecting member; wherein the access port and first aperture are aligned to allow the lag screw to extend through the first aperture; an outside clamping member having a fourth aperture; and a second bolt extending through the fourth and third apertures coupling the outside clamping member and the rail connecting member together; and a resilient clip loosely connecting the outside clamping member and the rail connecting member.