Curbless multiple skylight and smoke vent system

Abstract

The invention provides a system for installing a roof penetrating structure to a metal roof, the system comprising: a) a rail and closure structure adapted to be supported by adjacent rib elevations of said roof; b) a skylight adapted to be supported on the rail and closure structure; and c) a support member for sealing a cut away portion of the rib structure to divert water away from the rail and closure structure.

1 - 27 . (canceled) 
     
     
         28 . A rail mounting system for mounting a skylight or other structure requiring a roof penetration on a metal panel roofing system having rib elevations, said rail mounting system comprising a side rail for each side of the skylight or other structure, each of said side rails being formed to attach directly to the rib elevations of the metal roof and to provide structural support for the skylight or other structure along substantially the entire length of the skylight or other structure. 
     
     
         29 . The rail mounting system of  claim 28  wherein the rib elevations of the metal panel roofing system have a characteristic profile, and wherein each side rail has a bottom end shaped to conform to at least a portion of the profile of the rib elevation to which the side rail is attached and wherein each side rail is attached to the rib elevation at its bottom end. 
     
     
         30 . The rail mounting system of  claim 28  wherein each side rail is formed for attachment to only one side of a rib elevation of the roofing system.