Standing Seam Metal Roof Flashing Details

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.

Standing seam metal roof flashing details.

Standing seam panels offer sleek lines that create a modern look. A typical standing seam panel can be approximately 12 16 and 19 inches wide. To provide a drip edge allow an overhang of 1 to 2 inches at the eave. Thermal expansion contraction of steel panels metal flashing and trim should be installed with sealed end laps that allow for expansion and contraction.

The copper roofing laps the valley flashing a minimum of 6 and is folded and locked into a continuous copper locking strip. This will keep weather out prevent lifting in high winds and provide a neat finished appearance. At the gable edge use a gable or sidewall flashing. The panels can be roll formed at the job site or at your local roofing materials supply warehouse.

Mbci manufactures quality standing seam metal roofing panels that are lightweight and last up to 60 years. Panels should be installed with a fixed end and a free end. There are four basic standing seam metal roof panel styles. Panel endwall flashing counter flashing butyl tape or tube sealant.

The continuous locking strip is soldered to the valley flashing. This detail shows a method of detailing a valley condition on a standing seam roof. The connecting point where the two separate metal panels meet forms a vertically pointed rib or a seam that is one inch to inch and a half high. Endwall details for standing seam endwall option 1 using counter flashing panel goes down first then the z channel and then the endwall flashing then the counter flashing and finally the tube sealant.

Then fillet with one part polyurethane. There are a couple of key types of flashing or trim that are used to seal each part of the metal roofing system. Let s take a look at the three most common types of standing seam metal roof flashing. Standing seam metal roof flashing details are installed at the intersections and terminations of the metal roofing system to seal the roof and prevent water from entering the roofing system.

Copper locking strips of the same weight as the flashing are soldered to the pans between seams at least 6 from the wall and engage the base flashing in a 3 4 lock. This manner allows for expansion and contraction to be controlled uniformly at one end of the roof. Locate round penetrations centrally in the panel seal with butyl tape beneath base. Standing seam consists of sheet metal roofing panels joined side by side and attached to the roofing deck with concealed fasteners.

Double lock seam symmetrical seam one piece snap lock interlock and two piece snap lock interlock. The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.