But when metal roofs are installed properly sound dampening is achieved through quality underlayment.
How metal roofs are installed.
Work toward the ridge.
While shingle removal is the preferred route tear off is messy and raises the cost of the job.
Begin on the left side of the roof working to the right.
Learn how to install our metal roof panels by watching the short video or reading the transcript below.
Metal roofing can be installed over existing roofs metal roofs can be installed over your existing roof without tearing off shingles provided local building codes allow it.
The eave flashing or edging is just the steel metal strips used to cover the entire perimeter of the roof.
Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.
These instructions specifically focus on metal panel installation.
Most metal roofing materials come in multiple shingle sections or in 12 to 36 inch wide panels.
How long do metal roofs last.
Generally each standing seam is formed at the manufacturing plant and a seam locking tool is used onsite to join the panels together as they are being installed.
Today we will install an american building components sl 16 metal roofing panel.
To learn more about eave trim and cleat installation view our other how to videos.
Secure the metal panel to the deck by drilling 1 1 2 inch galvanized metal screws through the peak of the rib in 12 inch to 16 inch intervals.
Next you are ready to install the metal roof.
Install the roofing screws vertically along each rib in the panel.
You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened.
On average they have a 40 to 70 year life span depending on the type of metal used the harshness of the local climate and the skill of the installer.
That s two to six times the cost of an asphalt roof.
Overlap the edge of the roof by 1 inch.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Speed ease of roofing installation.
The reality is metal roofing can be installed quick and dirty like any other construction job and a common consequence would be the noise.
One of the most popular metal roof installation methods standing seam roofing has raised seams where each metal roof panel connects to the next and creates the weathertight seal.
A potential problem with this type of installation is trapped water vapor.
Some types of metal roofing materials may be applied over an existing roof without the need for tear off or additional structural support.
You can use 1 inch nails for the installation of eave flashing.
Place the first screw.
For exposed fasteners avoid over tightening the fastener.
Sure metal roofs can be loud in the rain but that s what happens when it s not done right.
Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
Install the first metal panel on the low end of the roof square to the eave.
Installed metal roofs run 7 to 20 per square foot depending on the type of metal used.