Single Slope Metal Roof Installation
Low slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs.
Single slope metal roof installation. Place the first screw. Space the screws about 12 in 30 cm apart. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
Lap sealants shall be applied in accordance with the approved manufacturer s installation instructions. For exposed fasteners avoid over tightening the fastener. 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. Use your neoprene washer head screws to secure the metal to the sheathing.
The eight step installation instructions below will show you how to install metal roofing panels as a weekend diy project for your home. Single slope roofs also commonly referred to as shed roofs are becoming a popular trend with modern homes. Low slope metal roofs require less material which reduces the overall load on the building s structure. 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.
Install the roofing screws vertically along each rib in the panel. A good metal roof starts with the right materials. Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12. Instead of the traditional gable or hipped roofs a shed style roof incorporates a single sloped flat roof plane.
When you are finished with the installation you will have a beautiful metal roof that completely protects your home from the elements. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Envision a flat roof pulled upward on one end to shed water. Minimum metal roof slope depends on the roof profile building design climate and site location.
Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.