# How to build a hip roof

## How is a hip roof supported?

Stabilization typically involves installation of a purlin system. Hip roofs have “hip rafters” which are oriented diagonally to the ridge and outside walls. … Rafters which rest on the exterior walls at the bottom and connect to a hip at the top are called “hip jacks,” shown here as purple.

## How do you calculate the area of a hip roof?

Calculate the area of each face of the hip roof. For triangular faces, multiply the length of the base by the length from the ridge point to the bottom edge, then divide by 2.

## Which is better hip or gable roof?

Pros: Hip roofs are more stable than gable roofs. The inward slope of all four sides is what makes it more sturdy and durable. Hip roofs are excellent for both high wind and snowy areas. … Cons: Hip roofs are more expensive to build than a gable roof.

hipped roof

## What is the advantage of a hip roof?

Hip Roof. A hip roof has four slopes that come together at the top to form a ridge. Advantages: The four-way slope makes it much more stable than other roofing types, and allows water and snow to run off with ease. There is also more ventilation and space for an attic.

## How do you insulate a hip roof?

Since the roof is vented, you would be better off to insulate the attic joists, then have a insulated hatch like you would in a house. If you do go that route, you should insulate and use a vapor barrier on the interior heated space of the joists. You should be putting up a vapor barrier on the walls anyhow.

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## Can a hip roof have different pitches?

For example, in an equal hip roof with an 8 / 12 pitch, the pitch of the hip rafter would be 8 / 17. But here it will be different, since the hip rafter doesn’t lie at 45 degrees to the commons. The pitch of the unequal hip rafter can be expressed in relation to either the main roof or the secondary roof.

## How do you calculate rafters for a hip roof?

Hip rafters should be measured along the top from the long point of the plumb cut. I will often go ahead and make the plumb cuts on the hip rafter so its easier to measure and mark the seat cut and tail cut. To find the amount to add for the tail just add the run of the overhang minus the thickness of the sub fascia.

## How do you start shingles on a hip roof?

1. Install the starter course along the eave. Apply the first shingle of the first course in the middle of the hip roof. Install the second shingle to the right of the first shingle.