4 12 Roof Pitch Square Footage

For example a 4 12 pitch roof that is 100 square feet.

4 12 roof pitch square footage. Roof pitch degree table. A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof. You will need to express this size in terms of square feet. Divide your roof pitch by 12.

Use our roof pitch calculator to find the pitch of your roof. However shingles are packaged in a way that they are light enough for the average person to carry around. The rise is the distance from the top of a stud wall to the peak of the roof. Image 1 12 to 12 12 roof pitch 7 12 pitch.

72 12 6 at the highest point the gable is 6 high. Multiply this 12 by the roof pitch rise. Calculating the gable s square footage. Roof pitch is given as the number of inches in height change over the distance of one foot.

Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area. 100 1 054 105 4ft 2. If this isn t practical then perform the same measurement on the underside of the roof. 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.

Roof pitch area multipliers. The table below shows common roof pitches and the equivalent grade degrees and radians for each. Dividing by 12 gives the ratio of inches in rise per distance. A 12 in 12 pitch is a steep 45 degree angle roof.

Most roof s have a pitch in the 4 12 to 9 12 range. The first step in a free roofing estimate is measuring the roof dimensions. 8 inches and you have an 8 in 12 pitch. The pitch of the roof is the rise over a 12 inch run.

144 12 12. Split the gable into two triangles and form a rectangle 6 12 72 the total area for your gable 72 square feet. If this distance measures 4 inches you have a 4 in 12 pitch. Thus a moderate 6 in 12 roof pitch means the roof rises 6 inches for every 12 horizontal inches it runs.

Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. Pitch measurement method 2. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. 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.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. We included a roof pitch chart below the 7 12 example image and the calculator below that. A roof s pitch is determined by how much it rises for every foot it runs.