A square is 100sq feet if your using some of the heavier roofing most one bundle of shingle covers about 33 square feet of roof hence around 850 bundles of shingles will be needed for 28000 square feetroof.
How many roofing bundles in a square.
It typically takes three bundles of standard three tab asphalt shingles to cover one square on a roof.
The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.
Since transportation is a major cost factor expect prices to vary by location.
A typical bundle of shingles weighs about 75 pounds while some premium products can weigh over 100 pounds per bundle so consider delivery of materials.
Four bundles to a square.
Each square will need three bundles of shingles to cover it.
A roof square is equal to 100 square feet so each bundle covers roughly 33 1 3 square feet.
This roof shingle calculator requires four basic inputs.
The hardest part is how you determine the number of bundles it requires you to order to cover all your roof areas.
Three bundles covers one square foot of roof area.
One square equals 100 square feet or a 10 x 10 area.
How many shingles in a square once you have a three bundle pack to cover a square you will have 29 x 12 inches by 36 inch standard sized shingles per bundle.
With that as background you are now ready to estimate how many shingles you will purchase for your roof project.
Asphalt shingles are typically packaged with this in mind but if a package of shingles covered an entire 100 square foot square it would be too heavy to handle.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
The square footage of a roof is normally measured in squares of 100 feet.
There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.
Find the total square footage of your roof by multiplying the width by the length and then divide that number by 100 and you will get the number of squares you need to cover.
One bundle covers 33 3 sq.
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.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
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.
Roof length measured in feet roof width measured in feet roof pitch.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.
But be careful not all shingle brands are packaged three bundles to a square.
Normal architectural shingles are approximately 3 bundles per square.
This would be 87.