504 chapter 18 hip valley jack rafters.
Hip and valley roof plan.
In this tutorial i will explain how to draw and draft a hip roof plan.
To start drawing in the hipped roof draw lines at 45 degree angles from all the points on the roof as shown in blue.
A hip and valley roof may be part of an irregular structure.
The hip and valley factor varies according to the slope of the roof as shown in the table below.
A hallway off the formal entry leads to two family bedrooms separated by a full bath which they share.
A hip roof on a varied plan h denotes a hip v denotes a valley a hip roof is self bracing requiring less diagonal bracing than a gable roof.
You can combine gable and hip designs with a cross footprint home as well.
Here are three hip roof house plans both on one level and on two.
Hip and valley roof.
The hip and valley roof is similar to the gable and valley except the roof ends slope inward.
I use autocad to do this but you can use any 2d drafting package or even pen or penc.
The heart of the home is rear facing and open creating a cozy space for easy interactions with family and friends.
Hip roofs are thus much more resistant to wind damage than gable roofs.
Divide the rise by the run the run is 12.
As you can see the 2 lines to the top left of the image are just drawn in approximately.
The gable portion of a dutch hip roof is usually placed at the end of the roof ridge and sits on top of the plane of the hip roof.
Hip roofs have no large flat or slab sided ends to catch wind and are inherently much more stable than gable roofs.
It is sometimes also referred to as a dutch gable roof precisely because it contains both roof style features.
Cars stone and horizontal siding hug the exterior of this 3 bedroom ranch house plan topped by a hip and valley roof.
The internal roof lines are called valleys and the external roof lines are the hips as shown.
This type of roof is also called broken back hip and valley roof because the main hips are intconeected by the rafter of gables on one side and the rafter of the valley on the other.
The roof framing plan.
There s a small covered porch in the back ending with a few steps to the garden and a large built flower box.
Such buildings may have more than four hips in the roofs and they form valleys at the inside corners.
We will determine there length in the next step.
For any roof slope expressed as x in 12 rise in run the hip and valley factor is determined by finding the square root of rise run 2.
A dutch hip roof is a combination of both the hip roof and gable roof features.
