Flashing is metal trim that fits over joints where two sections of roof meet.
How to put trim on metal roof.
Take care the first piece is aligned precisely perpendicular square to the edge.
I m going to mark the z trim cut it and install it so that we can install the end wall trim using stitch screws.
Lap screws should be placed 12 on center hitting the high seam of roofing corrugation.
The cutting of the z trim is straight forward.
Butyl sealant tape should be placed parallel to the gable on the high seam of the roofing panel.
Step by step instructions for installation of gable and rake trim on an exposed fastener panel.
The metal siding will slide into the j trim so install the channel with the opening of the j facing the direction of the siding.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
The piece that s going to allow us to join the panels on the lower slope and the panels on the higher slope is the pitch transition flashing or the pitch change trim.
If you look here at the lower slope roof you can see that we ve already put panel on it and installed z trim as we have been doing elsewhere on this project.
Drive one 2 inch self tapping metal roofing screw through both sides of the metal ridge cap into the roofing material.
Learn how to install gable and rake trim on a metal roof.
Fasten gable trim with x inch metal to metal lap screws.
Do you need to install eave or fascia for a metal roof.
Use your neoprene washer head screws to secure the metal to the sheathing.
Space the screws about 12 in 30 cm apart down the entire piece of metal.
Bend the flashing into a v shape to fit over the top roof ridge and the corners where the panels meet.
You can see my pencil marks where i ve had it up on the roof and i ve made the measures to fit in between the panel and the gable trim.
Here is a short video showing how.
Step 1 attach the j trim along the line that will form the upper edge of the metal siding.
It helps direct water away from the meeting points and keeps the roofing dry.
The flashing should overlap the edge of the roof by one inch to help direct water.