U Vent Through Metal Roof Detail

Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage.

U vent through metal roof detail. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Should you vent a metal roof. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Record those measurements on a notepad.

Detail of pipe flashing through a standing seam metal roof click on image to see larger version use unitized epdm rubber pipe flashings black preferred with stainless steel draw band. Sp 33 usp sp standard roof drain flashing detail for fastened systems. Sp 35 usp sp vent stack flashing detail. Measure the body of the vent.

Sp 36 usp sp vent stack flashing detail for fastened systems. Remember to allow for the lip on the vent mechanism that will fit over the opening and rest on the surface of the roof. Locate round penetrations centrally in the panel seal with butyl tape beneath base. Below are some links to the tools i used on this project.

Sp 32 usp sp standard roof drain flashing detail. The other option of course is a vented attic which requires an equal balance of intake and exhaust vents. Sp 31 usp sp parapet wall with usp sp clad metal flashing detail. This is how i installed my dwv drain waste vent pipe through my metal roof.

In many cases for existing homes this is the easier way to go. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. Metal roofing works well with this because the metal is unaffected by heat not being able to pass through it and enter the attic. Sp 34 usp sp scupper flashing detail.

Be sure to subscribe. Then fillet with one part polyurethane. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.