How Many Bundles Of Roofing Per 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.
How many bundles of roofing per square. A bundle is around 1 3 of a square and costs an average of 30 to 600. Four bundles to a square. So in the gable roof example above you would need 240 squares of underlayment. On the low end asphalt averages 100 and 150 per square while slate averages about 1 200.
With that as background you are now ready to estimate how many shingles you will purchase for your roof project. A square is equal to 100 square feet and will cost anywhere between 100 and 1 800. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. Once you look at the more substantial three tabbed variety these require four per square and sometimes possibly five to cover the same square.
The square footage of a roof is normally measured in squares of 100 feet. Most composition shingles are 3 bundles per square most of the 40yr composition shingles are 4 bundles per square some 5 or more wood shakes 5 bundles per square wood shingles 4 bundles per square roofing felt per square roofing felt comes in a wide variety coverage s. Specialty shingles such as iko armourshake are heavier and therefore packaged to cover 20 square feet per bundle or five bundles per square. Read the label carefully as some brands need a bit more than three bundles to cover a square.
Normal architectural shingles are approximately 3 bundles per square. For a new roof you will also need the same amount of underlayment. The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square. Felts sqs per roll.
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. It can also include some of the lighter weight laminated shingles. Since transportation is a major cost factor expect prices to vary by location. The most common you find apply to three tab shingles and take three bundles of shingles for each square.
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. This roof shingle calculator requires four basic inputs. 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. How many shingles in a square.
Each square will need three bundles of shingles to cover it. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these. But be careful not all shingle brands are packaged three bundles to a square.
Underlayment usually comes in rolls of 4 squares each. Bundles of roofing material per square.