Of course this will be assuming that your home is rectangular.
How do you measure for a new roof.
Roughly draw out your roof on a piece of paper.
Calculate the pitch of the roof.
How to calculate your roof square footage.
Stretch your tape measure along the walls from end to end.
Add all your measurements together to get your total square footage.
Measuring for a metal roof begins with getting a ladder.
It does have to contain all the straight lines of your roof and an accurate measurement of those lines.
1 roof square 100 square feet.
You will need to go up on top.
So if you divide your answer of a product of length times height by two you will get the area of a triangle.
If you do not have any safety equipment you will need to use a ladder to get one measurement while the others can be made on the ground.
Measuring your roof from the ground 1.
The pitch is the steepness of the roof.
To find the pitch of your roof you ll first.
L 30 feet h 12 feet 30 12 2 180 square feet.
Measure the ground dimensions of the house using a tape measure and write down these.
Measure all your hips valleys ridges eaves and rakes.
Remember it doesn t have to be to scale or look pretty.
How to measure a roof in the sample below you will have 5 different calculations and that should match the number of sections you wrote down when you started.
Each area on the roof is a single plane which just means it s a surface with a.
If the pitch of the roof is not that steep you won t have to worry too much about following.
Climb a ladder with a notepad a pencil and a measuring tape.
For example what we need on the picture of the roofs below are measurements of all the blue or red lines.
In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.
Draw an overhead view of your roof.
Use this information if you are purchasing a home that needs a new roof or if your current home needs one.
Outside of the u s a degree angle is typically used.
Stow these items in a shoulder or hip pack while.
You should do this with someone that can hold one end of the tape measure so you can go to the other ends.
Measuring the length and width of each plane by hand 1.
How to determine your roof pitch.
The length l times the height h of a triangle is twice its area a2.
Find the length and width of the building s exterior walls.
First measure the length and width of each surface on the roof then multiply these values to.
Use a pitch.