The first step in a free roofing estimate is measuring the roof dimensions.
Squares on 8 12 roof.
The term roofing square and roof pitch are the most commonly used terms in the roofing industry.
These benefits do not come cheaply though.
10 feet x 10 feet 100 square feet or 1 roofing square 5 feet x 20 feet 100 square feet or 1 roofing square.
100 1 054 105 4ft 2.
You will need to express this size in terms of square feet.
1 roofing square 100 square feet.
Roof is 6 12 pitch and measures at 2 400 square feet so 2400 x 1 12 2 688 2 88 sqs added for pitch.
Before miter saws and even since professional carpenters used speed squares as a quick saw guide for cutting 45 and 90 degree angles.
Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.
Roofing pitch for square roof area.
Estimate or calculate the pitch of your roof low medium or high.
It is often compared to slope but is not exactly the same.
Steeper sloped roofs are considered more aesthetically pleasing and last longer.
It does not matter how you arrive at 100 square feet.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
Get your roof size by using this roof pitch calculator.
Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.
A roof s pitch is determined by how much it rises for every foot it runs.
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.
Anything more than 9 in 12 is considered steep.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
Roof pitch area multipliers.
A low slope roof is anywhere from 2 in 12 to 4 in 12.
Finally the more complex part measuring your roof s pitch.
The pitch of the roof is the rise over a 12 inch run.
However shingles are packaged in a way that they are light enough for the average person to carry around.
Photo 2 shows how to use the speed square to mark a 33 1 2 degree angle the same as you would need on a rafter tail for a roof with an 8 12 pitch.
Use our roof pitch calculator to find the pitch of your roof.
A 12 in 12 pitch is a steep 45 degree angle roof.
Outside of the u s a degree angle is typically used.
Hold your level outward perfectly horizontal from your roof so the bubble is in the middle of the indicator glass.
The rise is the distance from the top of a stud wall to the peak of the roof.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
Bring a two foot level.
Thus a moderate 6 in 12 roof pitch means the roof rises 6 inches for every 12 horizontal inches it runs.
Climb to the peak of your roof.
