Overhang On A Pole Barn With Shingle Roof

Mark where the drip edge begins to overhang and one inch further out from that overhang.
Overhang on a pole barn with shingle roof. Place corner pieces where panels will meet bends at the edge of the roofing. In designing the overhanging part of a. The construction of a roof overhang is one important way that homeowners can protect the exterior of their home and preserve its value. Install edging use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. Too little can allow water to seep into rake or fascia boards. A typical metal roof overhang may be 2 to 4 inches or even less. We recommend about 2.
Then cut out the topmost portion of the drip edge by your first mark. 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. The metal roof length calculator calculates the distance from peak to trim so add the length you want the roof metal to extend beyond the eave trim. Too much overhang and the shingles could blow off in high winds.
In terms of roof covering standing seam metal roof would be the best option in terms of strength and durability but you could also go with architectural shingles light color roof. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. The edge of the shingles should hang over a roof between an inch and an inch and a half or between a half inch and three quarters of an inch if drip edge flashing is installed. I would recommend you enclose overhang underside with some sort of soffit panel to keep flying critters from making homes in your new end overhang.
The best roof shape for a high wind area would be a hip roof but it s more expensive to construct than a traditional gable roof a common roof for sheds. Maximum you can overhang end truss will be two feet so you should be able to attach a 2 6 fly rafter to ends of your now overhanging roof purlins. Find roof panel closure strips at lowe s today. First place your drip edge on the rake edge.