The difference is in the amount of ridge capping you need and the amount you will waste.
Measuring a hip roof.
The roof area is simply 114x18x2 plus 30x18x2 giving 5184 square feet which is perfectly adequate for estimating materials.
If the roof has a triangular shape stretch your tape measure along.
The square footage of a hip roof area is identical to the square footage of a gable roof of the same size.
Measuring an existing roof 1.
Getting things like the area and the angles right is going to be so important to doing this kind of job right.
It does have to contain all the straight lines of your roof and an accurate measurement of.
How to measure for hip roofing step 1.
Climb up to the roof and measure each face of the hip roof.
Set up your ladder beneath one of the roof s hips or sloped faces.
Use a ladder to carefully climb onto the roof.
Remember it doesn t have to be to scale or look pretty.
X expert source david bitan.
The roof area for a hip end is the same as for a gable end the intersection is equivalent to a hip slightly conservative so there is usually no need to consider triangles when measuring a roof.
Select the style that best matches your project and move on to step 1.
Find the dimensions of each of the roof s faces.
Next you will want to look for a hip roof angle calculator so that you can make sure all of your precision detailing for the roof itself is going to be spot on.
The top ridge will be shorter for a hip roof but the 4 hips will add to the amount of ridge capping needed and because of the angles the amount of waste will be higher than for a similar sized gable roof.
Roughly draw out your roof on a piece of paper.
For example you might need a hip roof framing calculator to work out the depth and the range of the frame that is to go up to make sure everything can be cut and prepared to the right size.
The hip style roof is in blue and the gable style roof is in red.
Set up a ladder to allow access to the roof making sure that the feet of the ladder are resting on firm ground.
The only difference in this calculation to the one for a gable roof area is the amount of the ridge.