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Sealing End Laps

End laps in profiled metal roofing should be avoided where possible. When unavoidable, the end lap of should be sealed with a double bead of sealant as in the illustration below. Alternatively, self- adhesive closed cell tape can be used in the same position.

 

 

/cop/installation/sealing-and-joining#sealing-end-laps
Revision Category: 
2 - Editing and rearrangement
Revision Detail: 

Drawing replaced with with more accurate depiction of correctly and incorrectly sealed end laps.