Most building codes allow up to two layers of organic or fiberglass asphalt shingles.
How many shingles on a roof.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
So if you have 24 squares multiply that by 3 to get 72 bundles.
To figure out how many bundles you ll need multiply the number of squares by 3.
You will need to order enough packs of roof shingles to cover the main body of your roof and then extra to cover the ridge.
Shingles typically come in a bundle that s large enough to cover 1 3 of a square.
How many roofing shingles do i need.
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.
How many bundles of shingles will you need the average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
It is common to use 3 bundles to a square of shingles.
Browse owens corning roofing shingles by color shingle lines price features wind resistance and or warranty to find the right roof for your home.
However if you are using heavier shingles you will require 4 to 5 bundles for a square.
With that as background you are now ready to estimate how many shingles you will purchase for your roof project.
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.
The shingles or valleys on a wood roof may need repairing to fix any leaks.
That limit pertains to roofs with up to a 4 12 pitch.
It takes 3 bundles to cover a square if you use 3 tab shingles the most common type.
When it s time to replace your roof there are several factors that might lead your roofing professional to recommend adding shingles on top of your existing layers.
Here s an overview of the most common types of shingles available.
3 determine the bundles of shingles needed to cover the roof.
There are many different types of roofing shingles and provisions on the market today.
Determine the number of shingle bundles you ll need by multiplying by 3.
When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.