How Do You Measure A Roof Square

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.

How do you measure a roof square. How do you calculate square footage for a roof. How to determine your roof pitch. To convert the square footage to roof squares divide the square footage by 100. 8 inches and you have an 8 in 12 pitch.

L 30 feet h 12 feet 30 12 2 180 square feet. Be careful walking around so you don t damage your roof. The length l times the height h of a triangle is twice its area a2. Hold the end you measured from against the bottom of a rafter so it s sticking straight out horizontally and is level.

Steps to measuring roof square footage. First measure the length and width of each surface on the roof then multiply these values to. 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. The roof surface area would be 24.

Measure the ground dimensions of the house using a tape measure and write down these dimensions. Pitch measurement method 2 2. For your safety use a sturdy reliable ladder and secure to your roof. Be sure to find the area of any dormers on your roof as well.

Use a tape measure to note the length and width of your roof including dormers. If this distance measures 4 inches you have a 4 in 12 pitch. Mark a length of 1 foot 0 30 m on a long level starting from one end. Outside of the u s a degree angle is typically used.

Because each 100 square feet of roof is one roofing square divide. How to calculate your roof square footage. Measure the pitch of your roof in the attic. Measure all your hips valleys ridges eaves and rakes.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. How to measure a roof. Wear shoes boots with proper traction to avoid slipping. 1 roof square 100 square feet.

From the 1 ft 0 30 m spot you marked on the level measure upward to the rafter. 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. 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. Multiply the length by the width to arrive at.

This number will provide you the level area beneath the roof. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Multiply the length by the width to find the area of rectangular sections.