Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.
Single slope metal roof installation.
Minimum metal roof slope depends on the roof profile building design climate and site location.
Lap sealants shall be applied in accordance with the approved manufacturer s installation instructions.
The eight step installation instructions below will show you how to install metal roofing panels as a weekend diy project for your home.
A steel roof is a lifetime investment lasting 50 years or more if it s a good one.
Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.
A good metal roof starts with the right materials.
Roof decking omni walltm metal flashing drip edge siding wall sheathing roof rafter roof decking integrated flashing ventilation slot figure 3 omni walltm single slope roof installation instructions exploded view 22080 0315 limited lifetime warranty lomanco inc warrants to you the original owner of the omniwall when installed in.
Instead of the traditional gable or hipped roofs a shed style roof incorporates a single sloped flat roof plane.
Use your neoprene washer head screws to secure the metal to the sheathing.
These single slope roofs allow for simple roof construction.
The minimum slope for lapped non soldered seam metal roofs with applied lap sealant shall be one half unit vertical in 12 units horizontal 4 percent slope.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Space the screws about 12 in 30 cm apart.
When you are finished with the installation you will have a beautiful metal roof that completely protects your home from the elements.
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.
Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
For exposed fasteners avoid over tightening the fastener.
Envision a flat roof pulled upward on one end to shed water.
Install the roofing screws vertically along each rib in the panel.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Low slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs.