It helps direct water away from the meeting points and keeps the roofing dry.
How to put trim on metal roof.
Take care the first piece is aligned precisely perpendicular square to the edge.
The flashing should overlap the edge of the roof by one inch to help direct water.
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.
The cutting of the z trim is straight forward.
Lap screws should be placed 12 on center hitting the high seam of roofing corrugation.
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.
Learn how to install gable and rake trim on a metal roof.
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.
Step 1 attach the j trim along the line that will form the upper edge of the metal siding.
Flashing is metal trim that fits over joints where two sections of roof meet.
Install the trim by nail the longer side of the j to the framing lumber with the washer head metal siding nails.
Butyl sealant tape should be placed parallel to the gable on the high seam of the roofing panel.
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.
Drive one 2 inch self tapping metal roofing screw through both sides of the metal ridge cap into the roofing material.
Each screw should be positioned 1 2 inch above the edge of the ridge cap and should be driven until the neoprene gasket on the screw begins to spread out from beneath the metal washer.
Space the screws about 12 in 30 cm apart down the entire piece of metal.
Additional screws should be placed 12 on face staggered from top screws.
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.
Fasten gable trim with x inch metal to metal lap screws.
Here is a short video showing how.