To determine how many will be needed for starters and edges measure the entire perimeter of the roof and divide it by three.
How many shingles will it take to roof 1300sq feet.
Divided by 1300 sf.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
Since transportation is a major cost factor expect prices to vary by location.
Three bundles of shingles are called a square.
Asphalt shingles range in price from about 25 per bundle for a standard 3 tab style to around 50 75 or more for an upgraded architectural style.
They will cover a 10x10 area.
I am roofing the house trailer and need to know how many packs of shingles needed cecil venturella march 3.
There are three bundles of shingles for each square.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Then you multiply 13 x 3 which is 39.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
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.
However if you are using heavier shingles you will require 4 to 5 bundles for a square.
So you will need 39 bundles.
There are also 29 standard sized shingles.
So lets say 100 sf.
When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.