Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
How many squares to roof a house.
This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.
This is simply 100 square feet of roof.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
The first step in a free roofing estimate is measuring the roof dimensions.
Felt paper also called tar paper or builder s paper helps shed water that gets under the shingles protects the asphalt shingles from the resins in the wood decking increases a roof s fire rating and helps keep your house dry if it rains during the job.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
7 square feet to roofing squares 0 07.
Outside of the u s a degree angle is typically used.
A square simply refers to a 10 x 10 square of roofing.
The first of which is that you don t even have to go up on the roof.
The answer is the number of roofing squares for the roof.
There are many great benefits to using google earth to measure your roof but nothing is as good as using diy s satellite roof measurement.
4 square feet to roofing squares 0 04.
You will need to express this size in terms of square feet.
Singles are often sold in bundles with three bundles equaling one roof square.
When figuring the amount of shingles needed to roof a house you first convert the total square footage of the roof to squares a square represents 100 square feet of area covered by shingles.
To find the squares divide the overall roof area by 100 and then round up.
Estimate the pitch of the roof.
3698 sq ft with predominant 10 12 pitch.
Most roofing suppliers carry 15 lb.
Although roofing projects are estimated and sold by the square roofing material is often not sold in 1 square increments.
If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width.
8 square feet to roofing squares 0 08.
5 square feet to roofing squares 0 05.
300 square feet to roofing squares 3.
400 square feet to roofing squares 4.
For instance if the roof is 1550 square feet then it is 16 squares.
According to your calculator my actual square feet of house is 4807 5 numbers of squares needed is 53.
How to estimate roofing materials.
Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used.
The numbers i used are based on the proposal from my roofer.
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.