How Do You Measure A Roof Square

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.

How do you measure a roof square.

L 30 feet h 12 feet 30 12 2 180 square feet. The roof surface area would be 24. How to calculate your roof square footage. Convert the area to roofing squares.

First measure the length and width of each surface on the roof then multiply these values to. This number will provide you the level area beneath the roof. If a section is 120 feet 37 m x 100 feet 30 m its total square footage would be 12 000 square feet 1 100 m 2. From the 1 ft 0 30 m spot you marked on the level measure upward to the rafter.

Steps to measuring roof square footage. How to determine your roof pitch. If this distance measures 4 inches you have a 4 in 12 pitch. Add all your measurements together to get your total square footage.

Multiply the length by the width to arrive at. On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof. For your safety use a sturdy reliable ladder and secure to your roof. Use a tape measure to note the length and width of your roof including dormers.

Outside of the u s a degree angle is typically used. So if you divide your answer of a product of length times height by two you will get the area of a triangle. Measure the ground dimensions of the house using a tape measure and write down these dimensions. Hold the end you measured from against the bottom of a rafter so it s sticking straight out horizontally and is level.

For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. 8 inches and you have an 8 in 12 pitch. Pitch measurement method 2 2. 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.

Measure the pitch of your roof in the attic. Wear shoes boots with proper traction to avoid slipping. How do you calculate square footage for a roof. For example if your home is 60 feet long and 40 feet wide you would multiply the length by the width and come up with 2 400 square feet.

Be sure to find the area of any dormers on your roof as well. How to measure a roof. The length l times the height h of a triangle is twice its area a2. Be careful walking around so you don t damage your roof.

Multiply the length by the width to find the area of rectangular sections. To convert the square footage to roof squares divide the square footage by 100. 1 roof square 100 square feet.