How To Install Flashing On Metal Roof

We ve cut our z trims and before we install them we need to know where to place them on the panel.

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

Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place. Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent. Once even a small section of roofing cement fails you ll have a leak. Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it.

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. The metal flashing must overlap the material not the other way around. In order to do that we re going to use the end wall flashing as a guide. But it doesn t work that way.

Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.