Extend your tape measure along the outer edges of the roof to find its length and width in feet.
Measuring a hip roof.
For sloped sectional roofs write down the dimensions of each individual plane.
Each face will form a simple triangle or parallelogram.
A hip roof s square footage is equal to that of a gable roof with the same dimensions.
1 roof square 100 square feet.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
Select the style that best matches your project and move on to step 1.
Video of the day.
You ll need to find the area of each face and add them together to know the entire area of the roof that needs to be shingled.
First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.
L h 2 area calculating an area of a triangle when estimating a roof.
So if you divide your answer of a product of length times height by two you will get the area of a triangle.
Enter the diameter of the roof ridge vent gap 1 3 finally enter the coverage area width of the panels you plan to buy.
If the roof has a triangular shape stretch your tape measure along the bottom edge then measure from the peak point down to the center of the bottom edge.
This will be the second of a series of three videos if you like t.
Measuring is easy once you understand that the hip roof is measured by face.
If you are trying to undertake this all yourself then you should really be looking for the most effective way of working out things like the hip roof square.
Roughly draw out your roof on a piece of paper.
The hip style roof is in blue and the gable style roof is in red.
It does have to contain all the straight lines of your roof and an accurate measurement of.
For instance a 38 panel will have an effective coverage width of 36.
For square or rectangular roofs you ll only need to record the length and width.
Remember it doesn t have to be to scale or look pretty.
Hip roof asphalt shingles calculator calculate the amount of asphalt or fiberglass shingles needed to cover a hip roof.
The difference is in the amount of ridge capping you need and the amount you will waste.
The length l times the height h of a triangle is twice its area a2.
For trapezoidal roofs measure the bottom edge the top edge also known as the ridge and the distance between the 2 edges.
Complete one side at a time before moving on to other areas.
Find the dimensions of each of the roof s faces.