A typical metal roof overhang may be 2 to 4 inches or even less.
Overhang roof corrugated roofing.
A cantilever is a rigid structural element anchored only at one end to a vertical support from which it is protruding.
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Secure the sheets into place with screws.
The sheets should overlap by at least four inches add a bead of caulk where they overlap and at the other end of the building ensure there s an overhang of two inches.
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Cantilevered structures are popular for homes with balconies.
If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch.
Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.
Verges the ends of the roof to prevent the ingress of water from driving rain the sheets should be arranged to overhang the verge the ends of the roof by approximately one corrugation.
Once the first sheet is in place you need to install the remainder of the lowest row of corrugated metal roofing.
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Using a cantilever means you don t need external bracing.
In addition to being 100 recyclable metal roofing has a much higher emissivity than traditional shingles resulting in lower bills for cooling air conditioning.
Commence fixing ridges at the opposite end of the roof to the prevailing winds.
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Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.
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Place corner pieces where panels will meet bends at the edge of the roofing.
To install corrugated roofing start by cutting your panels to length with an angle grinder.
On average metal roofs will outlast traditional shingles by several decades as such a metal roof will likely be the last roof you ever need to install.
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Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
Do not overhang the fascia by more than 70mm.
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