Definitions for "End Lap"
Keywords:  overlap, ply, felts, raccord, d'extr
A term used to describe the lap at a purlin location where the end of one panel overlaps the end of the panel below it.
The amount or location of overlap at the end of a roll of roofing felts in the application.
The amount of overlap at the end of a ply on the application of roll roofing felts for built-up roofing. French (Raccord d'extrémité)