How To Flash A Pipe On Standing Seam Roof

In our prior post on pipe penetrations in standing seam metal roofs we identified important guidelines for when pipe penetrations are made to metal roofing systems typically after the metal roofing is installed that means an opening is cut in the metal roofing it is properly flashed or sealed and the penetrating member is passed through it.

How to flash a pipe on standing seam roof. Seal with butyl tape beneath base. You ll need to slightly raise the metal roofing to slide your flashing into place. Put only two nails for now at each end of the fold line. Apply row of tube sealant along back face of zee closure adjacent to panel legs.

Fasten with appropriate substrate fastener at minimum 4 fasteners per zee or 3 inches on center. The video features union s advantage lok ii standing seam roofing panel which is. But the performance of any roof can be compromised by needed penetrations to accommodate other building systems. 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.

There are different options for wood stove pipe flashing so choose based on the advice of the chimney manufacturer. Install endwall flashing onto zee closures by riveting flashing to top flange of zees at 18 inches on center onto top flange of zee. This video shows how to install chimney flashing with standing seam panels. Evensen recommends cutting the pan at the penetration location installing a flashing and then continuing with the pan to the ridge using an overlapping shingle fashion installation for pipe flashing applications.

Locate round penetrations centrally in the panel. Install zee closures onto panels at both sides. One of the most challenging flashing applications on metal roofs involves thermal expansion and contraction. Run underlayment 6 inches up the wall on the chimney and nail the flap to the roof along the straight line of the fold.

Custom flashing installation manual standing seam 4 trident drive lewiston industrial park lewiston standing seam metal roofing must be installed on roofs with a minimum pitch of try to lay out roof so that the pipe will fall on the at portion of a panel 2. Using caulk fix the flashing in place. Cut the corners sticking to the sides of the chimney at 45 degrees from the roof deck and wrap them around the chimney. Then fillet with one part polyurethane.