As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
How many sqyare for 10 x 12 shingle roof.
A flat roof has a slope of 2 in 12 or less.
This means that if you are going to be using heavier shingles you will need to have more bundles to cover each square foot.
A square of shingles will be the amount needed to cover an area of 100 square feet.
That is the roof s rise.
You will need to express this size in terms of square feet.
Roof slope style.
A low slope roof is anywhere from 2 in 12 to 4 in 12.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
How to estimate roofing materials.
This is simply 100 square feet of roof.
Square feet enter a waste factor.
To find the squares divide the overall roof area by 100 and then round up.
The first step in a free roofing estimate is measuring the roof dimensions.
The shingle starter strip amount of shingles needed is provided in lineal feet and includes a row of shingles along the rakes.
Enter the pitch of the upper roof rise 12 enter the pitch of the lower roof.
Rise 12 enter the coverage of one pack.
Although ceramic tile roofs are expensive they can have a life span of over 100 years.
Although roofing projects are estimated and sold by the square.
Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material.
However shingles are packaged in a way that they are light enough for the average person to carry around.
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.
The shingle bundles will be plastic or paper wrapped bundles that are made to be light enough for a single person to carry.
For instance if the roof is 1550 square feet then it is 16 squares.
The run always remains constant at 12 inches.
There are two main categories of roofing.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
A square simply refers to a 10 x 10 square of roofing.