How many bundles of shingles in a square

So, to derive the total square footage of the roof, you would: Multiply length (A) times width (B) and length (A) times width (C) to get the square footage for each plane. Add the two planes together. For example: Plane 1 (A x B): 40′ x 30′ = 1200 sq. ft. Plane 2 (A x C): 40′ x 30′ = 1200 sq. ft.

Gable Roof Hip Roof Mansard Roof. Our calculator results show your roof area, material details and their cost per square foot, plus the total estimated cost of a new roof including materials and installation expense. New Shingle Roof. $7,500. Average price. New Metal Roof. $14,500. Once you know the square footage, you can determine the number of roofing squares. Shingles are sold in squares and bundles. A square is equivalent to 100 square feet, and there are three bundles in a square. To do the math, simply divide your square footage by 100. For example, a 2,000-square-foot roof needs 20 squares of …The weight of a bundle is one-fourth. (shingle) or one-fifth (shake) the weight of a square. Estimating Cubic Volume Equivalents. The cubic volume of a square ...The number of square feet covered by a bundle of roofing shingles depends on the surface area of your roof and the pitch of your roof. A 1,000-square-foot gable roof, for example, would require 10 squares, which would be 30 bundles of 3-tab shingles or 40 bundles of architectural shingles.3-tab asphalt shingles: $80-$130; Dimensional asphalt shingles: $100 – $250; Metal roofing: $100-$800; Cedar shake: $300-$700; These averages are for material only and don’t include installation. Installation costs will vary depending on the slope of your roof, condition, and locality. How Many Bundles of Shingles Are in One Square? Unlike many other laminated shingle brands, three bundles of Dynasty cover a full square (100 square feet) of roof area. Dynasty laminated two-piece, asphalt shingles feature IKO’s Armourzone, a 1 1/4-inch-wide nailing area, made with a tough reinforcing band for incredible nail-holding power. LENGTH40 7/8 in. (1,038 mm) WIDTH13 3/4 in. (349 mm) Packages of shingles typically come in quantities called bundles. A bundle includes between 15 and 30 individual shingles or 33 square feet of roofing material. The cost of a bundle varies by shingle type and material, with 3-tab shingles falling in the $35 to $40 per bundle range.Conclusion :-. For a 2000 square foot house, you will need approximately 26 squares or 78 bundles or 2262 pieces of 3-tab standard-sized shingles (12 inch by 36 inch) when overhangs is 1 feet and roof slope is 4/12. For a 2000 square foot house, you will need approximately 26 squares or 78 bundles or 2262 pieces of 3-tab standard-sized shingles.

There are 29 standard-sized shingles (12 in.) when shingles come three bundles to the square. in each bundle (36 inches by 36 inches) The next question is how many shingles bundles do I need for 800 square feet. Because the average shingles bundle covers 33.3 feet2, three shingles bundles are required per square foot. Also, how many shingles ...It takes about four bundles of shingles to cover a square of 100 square feet. This is assuming that the shingles are three-tab shingles that are 3 feet wide and 36 inches long. There are 34 bundles of shingles in a square. How many bundles are in a square? Most roofs are measured in roofing1 roofing square is the equivalent of 100 square feet of shingles. 3 bundles of shingles = 1 roofing square. If you know how many bundles you need to buy, you ...Mar 7, 2023 ... Good video. Roofing contractors seem to figure on 25-30% field shingle waste and charge for that amount. On a 12 square roof I asked why the ...A standard package of shingles contains 29 – 12”x 36” shingles. That works out to how many square shingle bundles full square amount of shingles and a total of 87 square feet of material. But because the shingles in a square are normally overlapped by a bit more than 50%, it is considered to have 33.3 square feet of shingle.A standard bundle of shingles typically covers about 33 square feet, so you need three bundles for every 100 square feet of roof area. To determine how many bundles you need, calculate your roof’s square footage, divide by 33, and add 10–15% to account for waste.There are approximately 3 bundles per 1 square of roofing (100 square feet). 1 Bundle of Malarkey asphalt shingles weighs about 60.5 lbs. Malarkey Shingle Prices vs GAF, IKO, CertainTeed. Compared to other large roofing manufacturers such as GAF, IKO, CertainTeed, Owens Corning and Tamko, Malarkey roofs are some of the most expensive.Typically, it takes three bundles of shingles to cover one square on a roof, which equates to 100 square feet. However, this can vary based on the shingle type and manufacturer. Heavyweight, laminated, or premium shingles often require more than three bundles per square due to their thicker composition and greater coverage area per shingle.

One square of shingles covers 100 square feet of roof space. Divide your roof's square footage by 100 to find out how many squares are necessary for your home. Estimate the bundles required. Cedar shingles come in units termed bundles. Multiply the number of bundles by the number of squares your roof requires.When you buy three bundles you expect them to cover 100 square feet of roof. That’s the number you build your quote around. However, it’s not always accurate. Some manufacturers work in averages. In fact, three of their bundles may only cover about 98.4 square feet. Which means each bundle may be missing a shingle or two.Oct 9, 2023 ... Generally, a square of wood shakes or shingles covers an area of 100 square feet. For example, if a bundle of shingles covers 20 square feet, ...The amount of shingles in a bundle varies based on the type of shingle, but the area covered is always 33.33 square feet. A roofing square is a 10-foot by 10-foot area equal to 100 square feet of ...Roofing squares typically contain three bundles of shingles, each offering 33 square feet. Then, divide that number by 100. You'll know how many bundles to ...Calculate the roof square footage of each plane by multiplying the length by the width. Sum the area of all planes together to get the total area of the roof. For example, if your roof has two identical planes that are each 15 feet by 20 feet, then the total roof area is: 2 * (15 ft. * 20 ft.) = 600 sq. ft.

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Convert to squares: 2000 square feet ÷ 100 = 20 squares. Shingle coverage per bundle: 33 square feet per bundle. Bundles needed: 20 squares ÷ 33 = approximately 61 bundles. Verdict. For your 2000 square foot roof, you’ll likely need around 61 bundles of 3-tab asphalt shingles to cover the entire area. Over the life of a roof, particularly one that uses shingles, replacements and repairs will need to be made.In most cases, this is just a handful of shingles that can be damaged in storms or from general wear and tear.A bundle of shingles weighs 50-80 pounds depending on the type of shingle that you choose.You will receive a heavier …Convert to squares: 2000 square feet ÷ 100 = 20 squares. Shingle coverage per bundle: 33 square feet per bundle. Bundles needed: 20 squares ÷ 33 = approximately 61 bundles. Verdict. For your 2000 square foot roof, you’ll likely need around 61 bundles of 3-tab asphalt shingles to cover the entire area.To cover an area of 100 square feet, 25 bundles of shingles are required. Depending on how the shingles are lain, an area of 100 square feet might actually consume more than 25 bundles of material. ... How many bundles of shingles do I need for a 20×20 roof? It depends on several factors such as the type of shingles, slope of the roof, and the ...

In general, you’ll need about three bundles of shingles per square. roofing contractor. A simple way to calculate how many shingles you need to cover a 100-square-foot roof is to divide the number of sheets of sheathing by three. Roofing squares typically contain three bundles of shingles, each offering 33 square feet. Learn three methods to calculate the number of bundles of shingles you'll need for your roofing project. The most common is three bundles to a square, which is 29 standard …The weight of a bundle is one-fourth. (shingle) or one-fifth (shake) the weight of a square. Estimating Cubic Volume Equivalents. The cubic volume of a square ...How Many Bundles Of Shingles in a Square. Understanding the standard measurement in roofing is essential for purchasing materials. Most shingle manufacturers package products to cover one square of roof – this is a …On the other hand, a bundle of architectural shingles will weigh on the upper end, with most packages ranging from 65 to 80 pounds. If you are looking at specific name brands for your architectural shingles, you might be interested in the GAF Timberline shingles. It takes roughly three bundles of these shingles to cover 100 square feet …13.1K subscribers. Subscribed. 309. 19K views 3 years ago HUNTSVILLE. How many bundles of asphalt roofing shingles per square? Seems like a an easy …To determine how many square feet a bundle of GAF starter shingles covers, you’ll need to consider the width of your roof’s eaves and the length of the starter shingles in the bundle. Example: If your roof’s eaves are 12 inches wide, or 1 foot, and the bundle covers 33 linear feet, you can calculate the square footage like this:A square of roof is approximately 100 square feet of space on top of your home, whether it runs at a slant, horizontal to the yard or vertically toward a chimney or gable. Asphalt shingles are sold in bundles that can cover 1/3 of a roof square, or roughly 33 square feet. A square of shingles would be a minimum of three bundles.One package of shingles is called a bundle. Most manufacturers pack them so three bundles equal 100 square feet or one roofing square. A bundle of shingles generally contains between 15 and 29 shingles, depending on the type and size of the shingles. How many shingles are in a bundle and how many bundles equal a square vary by brand. …One square of shingles covers 100 square feet. 15 year shingles come 3 bundles to a square. 25 year come 4 bundles to a square. When talking about the area of a roof, remember that it is not the ...The most common is to have three bundles of shingles for a square of roof area. In other words, if you buy 3 bundles of shingles, this will cover one square which is 100 sq.ft of area. The most usual case when buying standard shingles (i.e three-tab strip shingles and laminated shingles), there are 29 standard-sized shingles (12 in. by 36 in ...Nov 21, 2022 · Each bundle will cover about 33 square feet of roof area. The average square contains fifteen to 29 shingles. However, some shingles are taller or more comprehensive than others. In addition to shingles, roofing contractors must purchase roofing nails, underlayment, and a ridge cap. A typical roof area is 24,000 square feet, so 240 squares of ...

To find out how many shingles you need for your roof: Check the width and length of the roof. Estimate the roof pitch. Calculate the roof area based on the measured dimensions and convert it to squares. Multiply the obtained squares by 3 to find the number of shingle bundles you need. See more

Divide the total footage by 100 to determine the number of “squares” in the roof. 3. Determine the bundles of shingles needed to cover the roof. It takes 3 bundles to cover a square if you use 3-tab shingles, the most common type. [4] 4. Account for waste. Add 10% to the shingle estimate to account for waste.Shingles Prices Per Bundle/Square. Shingles are sold by the bundle and by the square, depending on the needs of the buyer. A square is equal to 100 square feet, and a bundle is around 1/3 of a square. Asphalt is the most common type in the United States. Asphalt costs on average between $100 and $150 per square. In general, you’ll need about three bundles of shingles per square. roofing contractor. A simple way to calculate how many shingles you need to cover a 100-square-foot roof is to divide the number of sheets of sheathing by three. Roofing squares typically contain three bundles of shingles, each offering 33 square feet. 1 roofing square is the equivalent of 100 square feet of shingles. 3 bundles of shingles = 1 roofing square. If you know how many bundles you need to buy, you ...Apr 5, 2024 · Roofing materials are commonly sold by the square, with one square covering 100 square feet. Divide the total square footage of the roof by 100 to determine the number of squares needed. Consider adding 10-15% to the total to account for waste and overage, especially for roofs with many hips, valleys, or dormers. To determine how many square feet a bundle of GAF starter shingles covers, you’ll need to consider the width of your roof’s eaves and the length of the starter shingles in the bundle. Example: If your roof’s eaves are 12 inches wide, or 1 foot, and the bundle covers 33 linear feet, you can calculate the square footage like this:Plywood Area = 4 feet x 8 feet = 32 square feet per sheet. Shingle Coverage = 100 square feet per bundle. Now, you want to cover your entire roof, which measures 1,600 square feet. To find out how many bundles you need: Total Roof Area = 1,600 square feet. Bundles Needed = Total Roof Area / Shingle Coverage per Bundle = 1,600 / 100 = 16 bundles.That means you’ll need three shingle bundles for every roofing square—that is, every 100 square feet. Multiply the number of roofing squares by three to estimate the …

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On average, a bundle of TAMKO Heritage shingles costs between $30 and $50. How Many Shingles Are In A Bundle Of TAMKO Heritage? There is a minimum of 20 shingles in a bundle of TAMKO Heritage shingles. Twenty shingles can usually cover around 30.75 square feet of roofing. However, most TAMKO Heritage shingle bundles …Bundles Per Square 5. ... Shingles Per Square 50. Weight 425 Lbs. per Sq. Width 18" Wind Resistance 110 Mph. Documents. 3-Part Specification Sheet; Asphalt Shingle ...Shingles that pass this test may qualify for insurance discounts.1. Potential Insurance Savings: Grand Sequoia ® AS Shingles pass the UL 2218 Class 4 Impact-Resistance Test, and may qualify for insurance discounts. 1. SBS Modified Asphalt: Provides a more durable, rubber-like, and super-flexible shingle — to help reduce stress when impacted.Calculate the roof square footage of each plane by multiplying the length by the width. Sum the area of all planes together to get the total area of the roof. For example, if your roof has two identical planes that are each 15 feet by 20 feet, then the total roof area is: 2 * (15 ft. * 20 ft.) = 600 sq. ft.Gable Roof Hip Roof Mansard Roof. Our calculator results show your roof area, material details and their cost per square foot, plus the total estimated cost of a new roof including materials and installation expense. New Shingle …Plywood Area = 4 feet x 8 feet = 32 square feet per sheet. Shingle Coverage = 100 square feet per bundle. Now, you want to cover your entire roof, which measures 1,600 square feet. To find out how many bundles you need: Total Roof Area = 1,600 square feet. Bundles Needed = Total Roof Area / Shingle Coverage per Bundle = 1,600 / 100 = 16 …To determine how many square feet a bundle of GAF starter shingles covers, you’ll need to consider the width of your roof’s eaves and the length of the starter shingles in the bundle. Example: If your roof’s eaves are 12 inches wide, or 1 foot, and the bundle covers 33 linear feet, you can calculate the square footage like this:How many square feet in a bundle of shingles Asked by: Clinton. Each bundle of IKO Cambridge is 32.3 sq ft or 3 sq. metres. Answered by: IKO Roofing. Date published: 2019-10-15 "Cambridge" Roofing Shingles - 33 sq. ft. - Weatherwood Questions - page 2; y_2024, m_5, d_9, h_4CST ...Apr 5, 2024 · Roofing materials are commonly sold by the square, with one square covering 100 square feet. Divide the total square footage of the roof by 100 to determine the number of squares needed. Consider adding 10-15% to the total to account for waste and overage, especially for roofs with many hips, valleys, or dormers. As mentioned earlier, a bundle of asphalt shingles usually covers approximately 33.3 square feet. Total Coverage: Multiply the number of bundles by the coverage per bundle to find the total square footage covered by your shingles. For example, if you have 10 bundles of asphalt shingles: 10 bundles x 33.3 square feet per bundle = 333 square …Shingle coverage per bundle: 33 square feet per bundle. Bundles needed: 20 squares ÷ 33 = approximately 61 bundles. Verdict. For your 2000 square foot roof, you’ll likely need around 61 bundles of 3-tab asphalt shingles to cover the entire area. Keep in mind that it’s a good practice to purchase a little extra for waste and future repairs. ….

In general, you’ll need approximately three bundles per square. The number of shingles per square varies by manufacturer. Some have three or four bundles per square. Others are less generous, with just one bundle covering 100 square feet. The amount of shingles required for a square depends on the style and design of your roof.So, to derive the total square footage of the roof, you would: Multiply length (A) times width (B) and length (A) times width (C) to get the square footage for each plane. Add the two planes together. For example: Plane 1 (A x B): 40′ x 30′ = 1200 sq. ft. Plane 2 (A x C): 40′ x 30′ = 1200 sq. ft.First we will calculate the 2-foot wide material. Divide 533 square feet by 2 feet and the result is 266.5 linear feet. How much area does a bundle of shingles cover? 33.3 sq. ft. Each bundle covers 33.3 sq. ft. of roof area—which is …Key Takeaways. Roofing bundles typically cover approximately 33.3 square feet. Accurate measurements of the roof dimensions are crucial for estimating the number of bundles needed. Factors such as roof slope, overhangs, valleys, ridges, and waste percentage should be taken into account when calculating bundle quantity.1 roofing square is the equivalent of 100 square feet of shingles. 3 bundles of shingles = 1 roofing square. If you know how many bundles you need to buy, you ...Plan for about 15% wastage, so multiply the number of bundles by 1.15 to get the final number of shingles you need. In our example, 72 x 1.15 = 82.8 rounded to 83. To cover a roof of 2,186 square ...Legacy® Scotchgard™ shingles are packaged to deliver a full square, with 4 bundles equaling 100 square feet of roof coverage. ‘Your Choice’ Warranty. At Malarkey, ... Bundles/SQ: 4 Shingles/SQ: 64 SQ/Pallet: 12 SQ/Truckload: 182. PDF Documents. Architectural Shingles Booklet (OR) Architectural Shingles Booklet (OR)How Many Bundles Of Shingles Do I Need For 1500 Square Feet House. As a rule of thumb, there are 3 bundles of shingles required to a square or 100 sq ft of roof surface area. There are also 29 standard-sized shingles measuring 12 inches by 36 inches in each bundle. A square of shingles is the number of shingles needed to cover 100 sq feet of ...Shingles Prices Per Bundle/Square. Shingles are sold by the bundle and by the square, depending on the needs of the buyer. A square is equal to 100 square feet, and a bundle is around 1/3 of a square. Asphalt is the most common type in the United States. Asphalt costs on average between $100 and $150 per square. How many bundles of shingles in a square, Apr 28, 2024 ... How many bundles or squares of shingles do i need for 1500 square feet A “square" is a shorthand term in the roofing industry for 100 square ..., Legacy® Scotchgard™ shingles are packaged to deliver a full square, with 4 bundles equaling 100 square feet of roof coverage. ‘Your Choice’ Warranty At Malarkey, we strive to make shingles that don’t need warranties, but just in case, we offer standard and extended shingle warranties, or our innovative ‘Your Choice’ warranty where ..., Apr 28, 2024 ... How many bundles or squares of shingles do i need for 1500 square feet A “square" is a shorthand term in the roofing industry for 100 square ..., Architectural shingles, being thicker and heavier, require a bit more fastening. For these shingles, roofers typically use six nails per shingle. The nailing pattern is similar to that of three-tab shingles. You’ll place two nails within the adhesive strip and four nails above the tar line but below the adhesive strip., Roofing materials are commonly sold by the square, with one square covering 100 square feet. Divide the total square footage of the roof by 100 to determine the number of squares needed. Consider adding 10-15% to the total to account for waste and overage, especially for roofs with many hips, valleys, or dormers., In general, you’ll need about three bundles of shingles per square. roofing contractor. A simple way to calculate how many shingles you need to cover a 100-square-foot roof is to divide the number of sheets of sheathing by three. Roofing squares typically contain three bundles of shingles, each offering 33 square feet. , How Many Bundles Of Shingles in a Square You can’t merely go by the number of shingles in a bundle since shingle size and coverage vary from one brand to the next. For example, if Brand A has 20 shingles in a package, but Brand B has 26, it could be that the Brand A bundle covers more area. , Calculate your roof’s size and estimate how many bundles of shingles, rolls of felt, and squares of roofing material you need for a new roof. Add the price per square for materials to get an estimated material cost. …, Roofing materials are commonly sold by the square, with one square covering 100 square feet. Divide the total square footage of the roof by 100 to determine the number of squares needed. Consider adding 10-15% to the total to account for waste and overage, especially for roofs with many hips, valleys, or dormers., A bundle includes enough shingles to cover a third of a square, therefore meaning you will need three bundles per roofing square. The number of shingles in each bundle will vary depending on the size of an individual shingle. Smaller shingles may have up to 30 shingles in a bundle, while larger shingles may have as few as 15 shingles per bundle., When you buy three bundles you expect them to cover 100 square feet of roof. That’s the number you build your quote around. However, it’s not always accurate. Some manufacturers work in averages. In fact, three of their bundles may only cover about 98.4 square feet. Which means each bundle may be missing a shingle or two., Apr 30, 2024 ... How many bundles or squares of shingles do i need for 2500 square feet A “square" is a shorthand term in the roofing industry for 100 square ..., Shingles is a painful, blistering skin rash that is caused by the varicella-zoster virus. This is the same virus that causes chickenpox. Shingles is also called herpes zoster. Shin..., Calculate your roof’s size and estimate how many bundles of shingles, rolls of felt, and squares of roofing material you need for a new roof. Add the price per square for materials to get an estimated material cost. Dimensions measured from the ground. Length: Width: Roof Pitch: find roof pitch. Optionally enter the price per square. Price: $, Coverage = Total Area / Shingle Area. Example. Consider a total roof area of 1000 m² and a shingle area of 0.5 m²: Coverage = 1000 m² / 0.5 m² = 2000 m². Applications Home Construction. Cedar shingle coverage calculators are integral in residential building, ensuring proper shingle quantity and minimizing waste., Sep 6, 2023 ... Shingles are packaged in packs of 33.3 square feet of finished roof (not of how many shingle bundles or by area, which will be higher due to ..., Example: Suppose you’ve measured various planes on your roof and arrived at a total area of 2,400 square feet. Using three-tab shingles, the calculation would be as follows: 2,400 sqft / 100 sqft/bundle = 24 bundles. Accounting for extra shingles at 15%, the final bundle amount is: 24 + (24 x 0.15) = 27.6 ≈ 28 bundles required in total., Weight/Square (approx.): 355 lb 480 lb Dimensions (overall): 14 1/4" x 40" 14 1/4" x 40" Shingles/Square: 90 90 ... Diagonal Method found on each bundle of shingles. These shingles may be used for new construction or for reroofing over one layer of old shingles, but due to the heavy weight of this shingle, it is important to ..., Roofing materials are commonly sold by the square, with one square covering 100 square feet. Divide the total square footage of the roof by 100 to determine the number of squares needed. Consider adding 10-15% to the total to account for waste and overage, especially for roofs with many hips, valleys, or dormers., roof area in squares = roof area in feet / 100. Now, the shortest, most straightforward answer to the question of how to calculate roof shingles is this beautiful little equation: shingle bundles = roof area in squares × 3. That is because the average bundle of shingles usually covers about 33.3 ft²., How many shingles do I need for 1400 square feet? You will need approximately 42 bundles of standard size 3-tab asphalt shingles (14×3 = 42 bundles) or 56 bundles of architectural shingles (14×4 = 56 bundles) for 1,400 square feet. Thus, for a 1400 square foot gable roof, you would need 42 bundles of shingles plus 10% of ridge, starter and ..., There are typically 3 tab asphalt shingles in a standard bundle, sufficient to cover one roofing square or a 10×10-foot area. However, variations may arise based on the type and brand of the shingle. Knowing the accurate count of shingles in …, Consistency is important because your team should know how many shingles will come in one bundle. When you pick up a package of shingles, you shouldn’t have to guess how many will be in that package. ... A 1600 square foot roof would require 16 squares. 3 bundles of architectural shingles make up a square. So 16 x 3 equals …, The Formula for Working Out How Many Bundles of Architectural Shingles Make Up a Square. Once you have the area of the square, you can use the following formula to work out how many bundles of architectural shingles make up a square: Number of Bundles = Area of Square ÷ 33.3, When shingles come three bundles to the square, there are 29 standard-sized shingles (12 in. by 36 in.) in each bundle. Figuring out the roof area is the first step to determine how many bundles you’ll need to order. There are two ways to size up a new or freshly stripped roof: the measurement method and the sheet-count method. There’s a ... , Divide the total footage by 100 to determine the number of “squares” in the roof. 3. Determine the bundles of shingles needed to cover the roof. It takes 3 bundles to cover a square if you use 3-tab shingles, the most common type. [4] 4. Account for waste. Add 10% to the shingle estimate to account for waste., Key Takeaways. Roofing bundles typically cover approximately 33.3 square feet. Accurate measurements of the roof dimensions are crucial for estimating the number of bundles needed. Factors such as roof slope, overhangs, valleys, ridges, and waste percentage should be taken into account when calculating bundle quantity., For example a 20 x 30' building with a 12" overhang and a 4/12 pitch will have 736 sq ft of roof vs only 600 sq ft of slab. One square of shingles covers 100 square feet. 15 year shingles come 3 ..., Apr 12, 2023 ... A bundle of shingles hung with 5" exposure (the actual material you can see) covers 100sqft. I need 8" of exposure. How many sq ft will a bundle ..., Number of bundles per 100 sq. ft. (Square) 4. Number of pieces per bundle. 45. Requirements. Attic Ventilation, Underlayment. Roofing Product Type. ... If a roof is 1300 sq ft , how many bundle of shingles would you need to complete the roof. by Loval | Oct 25, 2022. 2 Answers. Answer This Question., Learn how to calculate the number of bundles and total shingles needed for your roof, depending on the type of shingles, the roof size, and the installation …, Roofing materials are commonly sold by the square, with one square covering 100 square feet. Divide the total square footage of the roof by 100 to determine the number of squares needed. Consider adding 10-15% to the total to account for waste and overage, especially for roofs with many hips, valleys, or dormers., Break the roof into planes and shapes, then measure them like regular two-dimensional objects. A bundle of shingles covers 33 square feet. To estimate shingle cost, take the area of the roof, factor in 10% to 15% for waste, and divide that by 33. Take the product and multiply it by the cost of a bundle of shingles.