How to install metal roof informational guide for the perfect metal porch roof our how to install metal roof guide outlines the general steps that would be involved in installing a metal porch roof so you can decide if this project is within your capabilities.
How to put a pitched roof on a porch.
Attach the horizontal beam by using a nail gun.
Put the rafters into position and then drill a hole through the top of the rafter in line with the middle of the wall plate see red arrow above.
The traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run.
Metal roofs costs significantly more than traditional asphalt shingled roofs.
If you live with someone i also think it is important to involve your other half at this point.
Use plywood to insulate your porch roof.
Install the fascia board on this frame and nail it accurately.
We need to do something where that change happens so the panels can go down and water can come off hit the lower slope and come off the roof.
The porch roof may match the pitch of your home or have a more shallow roof pitch.
Then knock a 6 nail down through the hole and securely into the wall plate.
We re going to do a pitch transition or change.
After that to make it flush with the roof of the existing house cut the two outer rafters.
Building a pitched roof.
You ll have a steeper part of your roof turning into a lower slope so there s a steeper pitch up top and a lower pitch on the bottom.
Joist hangers can help you mount each rafter to the house.
My diy pitched roof building technique can be summarised by the following steps.
Also sidespike 4 ovals into either side of the rafter again into the top of the wall plate blue arrow above.
I show how i construct it showning in detail how to do the lead flashing.
Together the beams will make a frame.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
Position the rafters on top of the sill plate.
See exactly how i made a simple porch roof step by step.
This is part two of the porch build where i am doing the roof.
The positioning of your rafters will depend on the pitch of the porch roof.
You have to do it thoroughly so that the rafters sit flush on it.
I chose a pitched roof design and in this video take you through the entire job from start to finis.
Put it between fascia board and roofing material and fix with nails.