Penetrations on Tray Roofing

The wide flat pan of tray roofing makes it easy to achieve secure penetration details.  Proprietary rubber boot flashings can be used for small pipe penetrations, but a more aesthetically pleasing solution is to make up a flanged upstand in pre-painted steel or colour matched malleable metal, and fit a “Chinese hat” to the penetration to allow for thermal movement and weatherproofing.

 

Penetrations on Standing Seam Cladding

Standing_Seam_Penetrations

 

 

 

Avoiding Long Back Trays

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Avoiding the use of long back trays helps achieve an aesthetically attractive solution for penetrations