How To Install Flashing On Metal Roof

Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.

How to install flashing on metal roof.

In order to do that we re going to use the end wall flashing as a guide. Once even a small section of roofing cement fails you ll have a leak. However the principles are the s. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.

But it doesn t work that way. Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it. Lay out your roofing underlayment over the fascia trim so that water that may form due to condensation does not collect underneath the drip edge. Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent.

Install drip edge starter trim against eave fascia trim of the roof. Next place your vent flashing on top of the membrane. The remaining siding on the sidewall will overlap the step flashing and nail. Installing the gable flashing and starting with the first panel.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. I m going to take the end wall flashing put it in place and use a pencil or a sharpie to mark the tops of the ribs and the gable trim just so i know where to put those z s.