How Do You Measure A Roof Of A Building

Record these values as roof rise over run with the vertical measurement listed first and the horizontal second.

How do you measure a roof of a building.

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. Once you have these measurements you will need to calculate the area of the roof and then you. After this you will need to measure the length of the building from the ground. To measure a roof start by measuring the length and width of the building s exterior walls and multiplying them to get the area.

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. At this point you will also need to estimate or measure the overhang if you have one. Measuring the area of your roof isn t the simplest process. One way to get an estimate is to take the square footage or meterage of the building and multiply it by the slope factor pitch of your roof.

Here we describe a basic measure for a ranch style home. You ll need to figure out the vertical distance also known as the rise over a 12 horizontal segment also known as the run. The roof area is simply 114x18x2 plus 30x18x2 giving 5184 square feet which is perfectly adequate for estimating materials. The next step is to measure the pitch also referred to as the roof slope of the roof deck.

8 inches and you have an 8 in 12 pitch. For example if your roof has valleys and dormers that will change the way you measure it. Then calculate the pitch of the roof by placing a level against it angling the level so the bubble is centered and measuring the distance between the end of the level and the roof. If this distance measures 4 inches you have a 4 in 12 pitch.