How To Flash A Pipe On Standing Seam Roof

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.

How to flash a pipe on standing seam roof.

Apply row of tube sealant along back face of zee closure adjacent to panel legs. Install endwall flashing onto zee closures by riveting flashing to top flange of zees at 18 inches on center onto top flange of zee. Use endwall flashing to locate correct position of zee closures. 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.

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. 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. This video shows how to install chimney flashing with standing seam panels. Run underlayment 6 inches up the wall on the chimney and nail the flap to the roof along the straight line of the fold.

The video features union s advantage lok ii standing seam roofing panel which is. 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. But the performance of any roof can be compromised by needed penetrations to accommodate other building systems.

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. There are different options for wood stove pipe flashing so choose based on the advice of the chimney manufacturer. Fasten with appropriate substrate fastener at minimum 4 fasteners per zee or 3 inches on center.

Standing seam metal roofs have proven record of longevity and value in providing a very weathertight roofing solution. Install zee closures onto panels at both sides. Then fillet with one part polyurethane. Done poorly those penetrations can cause leaks building damage and unnecessary expenses.