How To Install Flashing On Metal Roof

In order to do that we re going to use the end wall flashing as a guide.

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. However the principles are the s. Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent. Installing the gable flashing and starting with the first panel.

The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. 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. Screw it down in a way that its fits tight over the humps of the metal roof. The metal flashing must overlap the material not the other way around.

If you already have faulty flashing installed you must remove it. Use your feet to flatten the flashing down over the contour of the 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. Use your finger or a tool to smooth the silicone around.

If siding on. Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place. Prepare the area where you will install the roof flashing. Install drip edge starter trim against eave fascia trim of the roof.

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. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Next place your vent flashing on top of the membrane. Open valleys have metal flashing to protect this critical area of the roof.