Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
Overhang roof corrugated roofing.
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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.
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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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.
Secure the sheets into place with screws.
A typical metal roof overhang may be 2 to 4 inches or even less.
Using a cantilever means you don t need external bracing.
Cantilevered structures are popular for homes with balconies.
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.
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In addition to being 100 recyclable metal roofing has a much higher emissivity than traditional shingles resulting in lower bills for cooling air conditioning.
A cantilever roof overhang is one way to really give a really distinctive look to your home.
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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Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.
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Place corner pieces where panels will meet bends at the edge of the roofing.
Do not overhang the fascia by more than 70mm.
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.
Overlaps should be about 125mm.
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To install corrugated roofing start by cutting your panels to length with an angle grinder.