The roof cover vapor barrier drapes directly into the secondary seal of the wall cover at or slightly below roof level to divert water down the vertical assembly. The transition incorporates specific dimensional clearances including six-inch and one-and-a-half-inch setouts to interface the roof expansion joint cover with the vertical wall expansion joint system.
NOTE: VAPOR BARRIER OF ROOF COVER TO BE DRAPED INTO THE SECONDARY SEAL OF THE WALL COVER AT ROOF LEVEL OR SLIGHTLY BELOW TO DIVERT WATER DOWN THE VERTICAL 6" 6" 1 1/2"
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