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.



Revision Category: 
2 - Editing and rearrangement
Revision Detail: 

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