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What Is A Square When Roofing

How Much Is A Bundle Of Shingles

What is a Roofing Square? (How Big)

Asphalt roof shingles are sold in bundles. There are 3 bundles per square. 1 square of roof area covers about 100 sq.ft.

Here is a quick look at the cost per bundle of shingles:

Shingle Type
$1.50 2.24 $150-224

Note, the precise number of bundles you need to buy really depends on your roof size, slope , and how cut up it is. For example, a 1600 sq.ft. roof will need at least 16 squares or 54 bundles of shingles .

Keep in mind that a professional roofer will also estimate a slightly larger order of shingles, just to be on the safe side and have enough shingles to finish the job. Usually, roofers estimate about 10% waste for materials. For example, if your roof is 16 squares, your price quote will include 17 squares of roof shingles.

You may be able to get cheaper pricing if you go to a roofing supplier and by shingles from IKO, Owens Corning or Atlas.

What Is A Sawtooth Roof

If you picture a saw blade and how the edge is serrated, then you have a good idea of what a sawtooth roof looks like.

Composed of multiple slopes set at the same angle so that the vertical and pitched surfaces alternate , sawtooth roofs are becoming a popular choice in modern home design.

This is because sawtooth roofs allow for higher ceilings, larger windows, and lofted living space.

However, sawtooth roofing systems are costly to install and maintain due to their complicated design they also pose a higher risk for leaks and water damage, making them inadvisable for areas that receive heavy snow or rainfall.

Sawtooth roofs do allow for the installation of eco-friendly additions, like PV solar panels, geothermal lighting, and radiant heating systems.

They can utilize most roofing materials, including wood shingles, metal shingles, or reinforced concrete.

Why Do Architectural Shingles Cost More Than 3 Tab Shingles

Across the board, you will notice that laminated or architectural shingles cost about 20-35% more than standard 3-tab shingles. To a naked eye, this cost difference can be attributed to curb appeal: laminated shingles provide a more dimensional, attractive appearance.

However, the real reason for the extra cost is material composition, and as a result longevity and durability of the shingles.

One of the biggest differences between these three different classes of shingles is the thickness on the product. Architectural shingles have a body that is about 30% thicker compared to 3-tabs, and designer shingles can be as much as 50% thicker.

Thicker shingles are more durable, long lasting, as well as weather resistant. Another huge benefit is that these shingles look a lot more attractive and dimensional than 3-tabs, which have a very flat appearance.

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What Is A 3 4 5 Triangle

The 3, 4 ,5 triangle is based upon the Pythagorean Theorem. It’s a true right angle triangle that starts out with measurements of 3 out, 4 up, and 5 across. Hence, the name of 3 4 5 triangle.

For larger roofs, the math is simple. Just use any multiple of 3, 4 and 5 to get your answer. For example, doubling the size of your roof would brings you values of 6 over, 8 up, and 10 across. Quadrupling it would be 12, 16, 20.

What Is The Square Footage Of A Square Of Shingles

Roofing Terms for Dummies

The first consideration you have to take if youre planning for a re-roofing project is the roofs size. That way, youre able to create the correct estimation of materials needed. Roofs in the United States are measured in the unit of square footage. So, the square footage of a square of shingles is a reference unit.

Heres how to estimate the roof area:

  • First, you have to measure the dimensions of your roof by thinking it was flat.
  • Measure the roof pitch and then the square footage
  • Determine the amount of square footage material that you will need
  • After you have estimated the roof areas footprint, you may calculate the total area by putting the roof pitch consideration into the calculation.
  • The guide above is meant to be the steps to take if you use a shingles calculator. Using a calculator, you only need to input the pitch, width, and length of your roof area. Then you will find its size in the square.

    Now you already know what a square of shingles and the square footage, as well as how to calculate them is. The calculation can be handy to estimate the numbers of shingles needed so that you can assess the rough cost calculation.

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    How To Avoid Roofing Scams

    All too often, a homeowner does not know if the quotes he is getting from local pros are fair. As a result, some roofers take advantage of this lack of information, and charge unreasonably high pricesand some homeowners end up paying:(

    Here is a telling example from my business:

    I was doing an estimate the other day, and the client showed me a quote he got from another contractor. Besides a ridiculously high price , what struck me the most was the difference in price between 3-tab and architectural lifetime shingles .

    For 3-tabs , the price was $14790 , and for lifetime architectural shingles, it was $16500 . So what gives?

    Why is there a $1710 difference between the two quotes?

    Do architectural products cost $77 more per square?

    The truth is, the roofer was taking the homeowner for a ride, trying to sell a premium package for an unjustified up-charge.

    While Im not judging the other contractor its their business I want to inform homeowners of the real price difference between the two. So when you are getting roof replacement quotes, you will know how much premium upgrades really cost.

    As you will see below, the $77 / square up-charge was completely unjustified. The cost difference between 3-tab and laminated shingles is only $10 per square, while ALL other components of the system, as well as the installation costs are the SAME.

    Thus, the difference should be maybe $300-500 not $1700!

    How Roof Area Is Measured

    In order to find out how many shingles your roof will require, you first need to estimate its total square footage. This is done in three easy steps:

  • Start by measuring the width and length of your roof .
  • Multiply width x length .
  • To calculate the total square footage of the roof, add up every planes square footage.
  • Here are a few examples of different roof types:

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    Can You Install A New Roof On Top Of Old Shingles

    Many homeowners wonder whether or not its a good idea to install a roof on top of existing shingles .

    The biggest reason for keeping the existing layer of old roofing is obvious extra cost. As we just explained above many people would rather avoid spending an additional $1,000 on removing the old shingles.

    Despite the high cost, doing this is absolutely essential! Leaving the old material will greatly accelerate the disintegration of the new roof and shorten its life cycle.

    This is because ventilation is reduced, which in turn increases the average temperature of the shingles, causing the product to dry up quicker and the granules to start falling off faster.

    Another reason why you should NOT leave the old shingles is because a roofer will typically not install underlayment between old and new roofing. If there are pre-existing problems in the leak prone areas: such as skylights, chimneys, vents and valleys, installing new shingles will not solve them! This means that your new roof will continue to leak.

    Failing to tear off old roofing will also negatively impact your warranty. Most large shingle manufacturers explicitly state that your material and labor warranty automatically becomes void, if their product was installed on top of an old roof.

    In most states, the building codes require that you remove the old roofing materials, if there are more than two layers of it already there.

    Factors That Will Determine The Price Of Replacing A Roof

    How to Measure the Square Footage of a Roof
  • Size of the roof: The material & labour cost to install a new roof on a small roof vs. a larger roof will differ.
  • Roof slope or pitch: Roofs that are steeper requires more time to install and also more material.
  • Type of application: Low slope vs steep slope systems require different roofing applications.
  • Material choice: Prices vary depending on the roofing material and its quality.
  • Number of layers: If your current roof has multiple layers of roof shingles, this will require additional time to account for the removal of the existing layers.
  • Roof Adornments : These may require extra work if leaks and/or flashing repairs/replacements needs to be addressed.
  • Roof accessibility: Roofs that are difficult to access will require additional equipment and labor.
  • Roofing system components:Components of a good roof system includes the underlayment and decking materials, ventilation and insulation installed and types of fasteners used.
  • Read Also: Cost To Replace Roof Sheathing

    Headlap And Amount Of Roof Tiles

    When calculating the amount of materials for a project, roofing contractors need to consider headlap. Headlap occurs when a row of shingles overlaps with the next row, a technique that makes roofs more resistant to water penetration.

    Headlap means that a square of roofing will likely need a little more than a square of shingles to cover it. Experienced contractors know how to estimate headlap and translate it to the correct amount of shingles. Shingles typically come packaged in bundles, and three bundles are usually enough to cover one roofing square. A 2,000 square foot roof that translates to 20 squares would thus require 60 standard bundles.

    What Type Of Material Should I Use For Roofing Squares

    There are many types of roofing materials to choose from when youre renovating your home. If youre looking for durability, go for asphalt shingles. Asphalt is the most common type of roofing material because its affordable and easy to install. Today, asphalt comes in a wide variety of textures and colors, allowing it to give off the appearance of more expensive roofing materials.

    Composite roofing is an eco-friendly option if youd like to have the aesthetic appeal of a cedar or slate roof at a fraction of the cost. Its substance is often made from recycled plastics and sustainable materials.

    If youre looking to use a long-lasting material for your roof, consider metal roofing. Its estimated to last for up to 50 years and requires limited maintenance. A metal roof also adds additional protection to your home, especially during heavy rain, wind, snow, or hailstorms.

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    Will A Roofer Replace The Fascia And Soffit During My Roofing Project

    You may or may not need the roof framing repaired and strengthened, sheathing replaced, or soffits, facia, flashing, etc. replaced at the same time as your roof. In most cases, it is unlikely that you will need an entirely new roof with everything replaced, but certain parts of your roofing system might need repairs made to prevent leaks after the new roof has been installed.

    How Much Does Home Depot Roofing Cost Per Square

    How to Measure and Estimate a Roof Like a Pro?

    A recent quote from Home Depot for replacing a 2,000 square foot roof with a new asphalt roof was $21,481 which is $1,074 per square, or $10.74 per square foot. Another quote from Lowes for a 1,650 square foot home was $16,800, which is $1,018 per square or $10.18 per square foot. Both houses had a pitch in the region of 5/12.

    Read Also: Extending A Roof Overhang

    How To Account For Shingle Wastage

    There will always be a certain amount of wastage when constructing a shingle roof, but this can vary hugely depending on the shape of your roof and any extra features it has.

    For a complex roof with lots of corners, you can expect to go through more wastage and offcuts of shingles compared with a simple roof. Roofs with dormer windows or skylights will also have more wastage compared with those that dont, as you will need to make more cuts in the shingles, and the leftover portions will be unusable.

    For any roofing project, you should buy between 10 and 15 percent more shingles than you have calculated. So for a roof that measures 20 squares, you should buy an additional 2 or 3 squares to account for wastage. This is because 10 percent of 20 is 2, and 15 percent of 20 is 3. If you are ordering your supplies in bundles, then this will mean you will want between 6 and 9 extra bundles, based on the fact that there are 3 bundles in each square.

    Although this might seem like needless extra expenditure, you dont want your project to be delayed if you run out of shingles and cannot get hold of more of the same ones immediately. It is always safer to have more shingles than you need as opposed to less.

    If you have shingles left over at the end of your project, you should save them for future repairs or replacements on your roof, so you wont have to have mismatching shingles.

    What Does A Square Of Shingles Cover


    . Likewise, how many shingles are in a square?

    Three bundles to a square is most common, which applies to most three-tab strip shingles and laminated shingles. When shingles are three bundles to the square, there are 29 standard-sized shingles in each bundle.

    Similarly, how many bundles of shingles do I need for 2000 square feet? If the shingles you are using come three bundles to a square, calculating the number of bundles you’ll need is simple. Each bundle covers 33.3 sq. ft. of roof areaclose enough to the 32 sq.

    Then, what does a square of shingles mean?

    Roofing square is a common roofing terminology. It means “100 square feet.” It is used by contractors, suppliers, wholesalers, and manufacturers so that they have a common way to refer to 100 square feet of roofing material. “I need 25 squares of asphalt roof shingles.”

    How many bundles of shingles do I need for 1000 square feet?

    Since there are twenty six shingles in a bundle of twenty year shingles , divide the result by twenty six. For the number of ridge caps, multiply the length of the hip or ridge by twelve and divide it by five. This house is 1000 square feet. It requires 18 squares of shingles.

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    Roof Replacement Cost : New Roof Installation Prices Per Sqft

    Its time to replace that scrappy old roof. Are you wondering how much it will cost to install a new roof on your home or garage? If so, check out our just-updated new roof pricing guide for homeowners.

    Straight off the bat: It needs to be stated that not all roofs are made the same and not all roofers charge the same prices. That said, on average, most contractors will charge between $4.00 and $6.50 per square foot or $400 to $650 per square to install or replace an asphalt shingle roof on a typical house.

    On average across the US, it will cost between $8,000 and $14,300 to replace a 2,000-2,200 sq. ft. roof on a single-family house up to two-stories high. The total cost of a new roof will depend upon the overall roof difficulty and complexity, accessibility, contractor choice, and the local real estate market dynamics.

    With a narrower average price range , you can expect to pay between $4.50 and $5.50 per sq. ft. or $450 to $550 per square to replace an asphalt shingle roof on a typical single-family house up to two-stories high. This would translate to a narrower total price range of $9,000 to $12,100 for a typical 2,000-2,200 square feet roof on a single-family house up to two-stories high.

    Why Homeowners Choose Brava Composite Roofing

    New Roofing Square: How To Build a Pitched Roof

    More and more homeowners who need to replace their old roofs are choosing the premium, composite roofing products of Brava Roof Tile. Brava composite tiles offer:

    • Natural beauty: In most cases, high-quality Brava tiles look exactly like traditional slate, shake, or barrel tiles.
    • Excellent performance: Brava products can endure extreme climates and harsh weather conditions, including wind, hail, snow, and high UV radiation.
    • A wide range of color: Brava tiles come in all colors thanks to a patented multi-coloring process.
    • Lightweight design: Roofing contractors can install Bravas products on structures that cant support heavier materials like clay tile.

    Although Brava tiles cost more per square than traditional roofing materials, they save homeowners money in the long run thanks to their resilience and low maintenance properties. Brava tiles can last for decades with comparatively little upkeep. All Brava products have a 50-year limited warranty.

    Also Check: Maximum Metal Roof Overhang Without Support

    What Is A Gable Roof Or Gabled Roof

    A gable roof is the typical pitched triangular roof that you see on many houses in the U.S., and its probably what you think of when you picture what a suburban home looks like in most states with the standard peaked roof lines.

    These types of roofs can be fairly inexpensive and simple to build, since the shape is not complex.

    In fact, the standard or basic gable roof is the design that most other pitched roof types are built upon.

    Basic gable roofs can use all types of roofing materials, including but not limited to asphalt shingles, cedar shingles or shakes, slate, and clay or concrete tiles especially if you are building a standard or basic gable roof.

    This versatility makes gable roofs even more cost-effective.

    However, if the roof is more complex and contains hips and valleys, then standing seam or metal roofing tiles could be a better choice since they are more likely to be leak-proof.

    And if you live in an area that gets a lot of snow, it is considered best to use a 10/12 or 40-degree pitch angle for a gabled roof.

    Another reason that gable roofing is popular because the triangular shape allows snow, rain, and ice to slide right off, which is beneficial in most regions.

    The shape also allows for attic storage or even additional living space under the roof, or vaulted ceilings.

    One thing to note is that gable roofs might not be advisable in areas that regularly experience high winds or are located along some of the more common hurricane corridors.


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