what is a gable overhang

For an overhang to actually protect the side of the building it needs to extend 6 feet or more. The gable ladder is a simple nailed assembly itself nailed through one of the gable ladder rafters directly to the last trussed rafter on the main roof.

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Gable Overhang Construction As to the OSB or ply holding a fly rafter by cantilever this is a bad practice.

. It seems that each major hurricane tends to teach those of us in the construction industry some lesson. This is also called a porch and its a very effective way to protect a house. There are no similar requirements for wood framing.

With Hurricane Andrew the lessons were the importance of protection from windborne debris and the importance of proper construction of gable end overhangs. Your Local Trusted Roofing Company Serving Central NJ. Jun 18 2014 9.

Designing Gable End Overhangs. The gable roof overhang reduces the amount of rain that hits the exterior of the home thus providing additional protection from water damage. The American Wood Councils 2012 Wood Frame Construction Manual defines rake overhang as The horizontal projection of the roof measured from the outside face of the gable endwall to the outside edge of the roof Section.

Made in a triangular shape that protrudes from the eave a gable roof overhang is commonly seen over an entryway or front porch. The brickwork is then built around the rungs of the ladder to fix it securely in place. They also help to reduce splatter from water as it hits the ground below.

Some other purposes for eaves might be to prevent erosion of the foundation footings below the house by carrying the water away from the edge of the building. You just need to do it all the way around the house for it to work. There are two main areas where gable ends can fail.

Framing for gable end overhangs rakes for steel framing is codified in the IRC 20122015 R804. One can imagine getting this much play just between the side of the nail hole in the sheathing and hte nail itself. The gable roof overhang reduces the amount of rain that hits the exterior of the home thus providing additional protection from water damage.

Gable roof overhangs provide shading and protection from the elements and can also be considered desirable aesthetically. Gable or Rake overhangs pretty much provide the same sort of protection but at the end wall of a house. The simple triangle shape is easily adjusted to any size or home exterior lines and the tall angle of a gable roof overhang allows for good runoff for rain and snow.

With a 12 overhang the sheathing only has to stretch 132 of an inch in order for the rafter to drop 78. Significant overhangs beyond the gable end can be achieved using this detail but beyond about 450 mm. Most builders overhang their roof plywood or OSB past the gable truss 12 and then nail a 2x6 to the subroof.

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