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What Is A Sq In Roofing

Calculating Patio Roof Costs

What is a Roofing Square? (How Big)

The average cost to install a new patio roof ranges from $1,037 to $2,445 depending on the size and materials used. A small living room patio with asphalt roofing installed will cost $605 while a large outdoor dining patio with a metal roof costs $3,712. Of the four most common patio styles, the two that are generally considered large enough to warrant a roof include:

  • Living room patio – Average size is 16 by 18 288 sq. ft
  • Outdoor dining patio – Average size is 12 by 14 168 sq. ft

Patio Roof Costs

  • Class A 21 to 45 feet long
  • Class B 16 to 25 feet long
  • Class C 20 to 35 feet long

Contact Southern Roofing Systems For Your Roofing Neeeds

Now you know what is a square of roofing, what is a bundle of shingles, and what do 30 squares mean in roofing!

If you need any further help, whether you are building a new roof or just replacing some of your existing ones, or just want to learn more about roofing, contact us and we will make sure you get the right information. We are eager to give our customers nothing but the best. Call for a free estimate today!

Bay Window Roof Replacement Cost

To replace a bay window roof with architectural asphalt, you can expect to spend $398 for a 12 square foot perch.A typical bay window is 7 feet wide, and your bay window roof will extend 24 from your wall. Add another 6 inches for the roof to extend over the front of the window. The chart below shows the price for architectural asphalt shingles, clay tile, and copper roofing.

Bay Window Roof Replacement Cost

Material
  • Pay for permits

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Metal Roofing Prices Per Sheet

Metal roof panels are a very popular roofing choice, especially if you are looking for a budget friendly material. Economical corrugated metal sheet panels cost $3 6.5 per square foot installed, or $300-650 per square of roofing.

Metal sheet panels are available in a number of different styles, including: R-panel, 5V-crimp, corrugated and through-fastened panels.

They are made of either galvanized or galvalume steel and vary in thickness from 24-30 gauge steel. These panels can be painted or left as bare metal.

Cheap metal panels are good option for a barn, a storage space or a cabin style home.

Home Depot has a very large selection of various types of metal panels, sold in sheets. Steel metal sheets are available in various lengths from 5, 8, 10, 12, 16 ft. Sheet prices range from $18 to 52 per metal sheet. The most popular are 12 ft Classic Rib Steel panels that cost $39.84 each.

How Big Is A Square In Roofing

How Many Square Feet In A Roofing Square

The calculations above will give you the total number of square feet of the roof area.

As you have noticed in the roofing industry however, the surface of the roof is being measured in squares. This refers to the roof area that measures approximately 100 square feet.

Therefore: 1 Square in Roofing = 100 square feet

Now, in order to determine how many squares are there on the gable roof for example, all you need to do is divide the total square footage by 100.

  • Total square footage from Example 2 above: 28,000 sq. ft.
  • Number of squares for 2 planes: 28,000 sq. ft. ÷ 100 = 280 squares

This means that both planes of the roof will require 280 squares of shingles. A three-tab shingle, which is most commonly used, is packed in 3 bundles per square.

Read Also: How Often Does The Roof Need To Be Replaced

Standing Seam Metal Panels

In recent years, the popularity of standing seam roofing has skyrocketed, making it one of the hottest new materials, especially for contemporary style homes. However, it looks just as beautiful on classic colonial, cape and ranch houses.

You may notice that there is a HUGE range in total installation cost for different standing seam panels. The truth is, a standing seam roof can be relatively inexpensive on a simple ranch-type house, if you use 26 Ga steel.

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Most homeowners pay about $10-12 per square foot to install a standing seam metal roof.

However, if you install standing seam onto a rather complicated roof the total cost will suddenly skyrocket especially if you go with aluminum. If you want copper or zinc panels, expect to pay well over $20 / sq.ft.

Standing seam panels are readily available across the US, and can come from a variety of sources. For example, big manufacturers like ATAS International, Drexel, Englert, MBCI, etc., local Sheet Metal Shops, and even individual roofing contractors, who own a roll-forming machine and can supply the panel for you. Additionally, there are many online stores selling standing seam, that can ship it to your house from halfway across the US. Thus, prices can vary greatly.

We buy our panels from local roofing suppliers and pay about $265 for 24 Ga Steel to $325 for .032 Aluminum.

Estimating Materials Based On Actual Measurements

Measuring each roof plane requires you to actually go onto your roof. If your roof has a number of planes and numerous hips, ridges and valleys, this is the most accurate way to calculate the materials needed. Take a metal tape measure and a pen and paper. Measure each planes length and width. Record your measurements. Once you are safely on the ground, use your measurements to determine the square footage.

For rectangular areas, multiply the length by the width. For example, if a plane measures 30 feet by 100 feet, this would be 3,000 square feet. For triangular areas, you may need to dust off your geometry book. If the area forms a right triangle, you can make use of the Pythagorean theorem. Otherwise, you might want to look up how to calculate the semiperimeter and then use Herons formula to find the area. Be sure to add extra for valleys, hips and ridges.

Read Also: How Often Should A Roof Be Replaced

Asphalt Shingles Materials And Installation Costs

Many professional roofing contractors employ a 40% materials / 60% labor as their costs-breakdown formula. Of course, this pricing structure is just a guideline not set in stone. Some contractors include their overhead in the cost of labor, while others calculate it separately.

Below is the breakdown of typical costs you can expect for materials and professional installation:

3. Premium Shingles

Weight Of Roofing Shingles

How To Square A Roof. EASY Step By Step Video [3,4,5 Triangle Method To Install Metal Roofing]

There are two reasons to look at the weight of your shingles. The first one is based on the roof deck of your home. If your new shingles will be much heavier than the previous shingles, you may need to replace or reinforce your decking. The second one is going to affect how much your contractor will charge for a roof teardown. Dumpsters are used to dispose of old roofing materials, and most companies charge by the pound. If the weight of the dumpster goes over the designated amount, an overweight fee is added to the charges.

Shingles have varying thicknesses and weights, depending on the material. Standard asphalt shingles are the thinnest and can be layered on top of an existing layer of shingles to allow for faster, easier installation. Architectural shingles have been laminated to make them thicker. They do not weigh substantially more than standard shingles, but they look heavier, which can give your roof more visual substance.

Metal, tile, and slate roofs can have a significant weight. While they have dimension and distinctive looks, you may need to have the roof deck reinforced to use them. Asphalt, architectural, and wood shingles do not require reinforcement.

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How Many Squares Per Roll Of Underlayment

The roll size depends on the type of underlayment product. Synthetic underlayment comes in 10 square rolls, while regular #15 felt comes in 4 square rolls.

So for the 24 square roof example, you would need 2.4 rolls of synthetic underlayment, or 6 rolls of regular #15 felt.

  • 24 squares ÷ 10 squares per roll = 2.4 rolls of synthetic underlayment
  • 24 squares ÷ 4 squares per roll = 6 rolls of regular #15 felt

Remember: Add 10%-15% for the waste factor on underlayment, as well.

Finally, if you have any questions about your estimate, ask a roofing contractor in your area. Most will be happy to give you a free estimate.

Tips For Calculating Roof Area So Youll Know How Many Bundles Per Square Youll Need For Roof Area Coverage

So you need a new roof, whether its to adorn your newly built home or to replace your existing roof. Like most North Americans, youve wisely decided to go with asphalt shingles due, in large part, to their vast range of styles and color blends. Like most of your neighbors, you plan to have the shingles installed by a professional roof contractor who will handle all the material calculations however, the information below will help you understand how to estimate the amount of shingles and accessory materials you need for your roof.

Calculating how many shingles you need for your roof is very similar to calculating how much carpet you need for your floors or how much wallpaper you need for your walls simply determine the area of the roof and divide by the area covered by each package of shingles.

Sounds simple, right? The only hard part is getting the actual measurements, and there are various ways to do this. Most likely, the roofer will physically get on the roof and, using a good old-fashioned tape measure, measure the areas of all the various roof sections and total them together. Of course, if the house is a new construction, these values will be readily available from the architectural drawings.

Also Check: Extending A Roof Overhang

Additional Considerations And Costs

  • Roofs may have more square footage than your home, due to pitch and shape. This means you might need more materials to cover it than the total square footage of your house.
  • Algae can discolor your roof, and in some tropical areas, fungus may cause damage. You can invest in an algae-resistant roof that contains zinc particles to prevent its growth.
  • An roof will last between 15 and 30 years on average, but if you live in an area with very high temperatures, it will be closer to 15 years.
  • If your roof was damaged in a storm, have your insurance company send out an inspector to check the damage. If they and your roofer agree on the scope of the work, your worker will contract with the insurance company to pay for the new roof.
  • You can install a single layer of asphalt shingles over another layer of asphalt shingles one time without removing them. After this, both layers must be removed.
  • A new roof can increase the value of your home. The amount varies depending on the type of roof and the area you live in.
  • You need a permit to have a new roof installed. Your roofer should take care of this for you.
  • Architectural shingles cannot be roofed over because they are too thick.

What Is The Cost Of A New Roof And Gutters

Roofing Terms for Dummies

The total cost to get your roof and gutters replaced is $9,540 on a 1,500 square foot home. The average cost of new gutters is going to be close to $1,060 for 160 feet of gutters, or $3.60 to $28 per foot. Installing an asphalt roof on the same 1,500 square foot house with an average pitch of 6/12 will average $8,480, including the cost to remove the old roof.

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What Is A Square In Roofing

For your upcoming roofing project, you may have found out that estimates or materials are measured in squares. That may not help much if you do not know what a square in roofing is. Not only do you need to be able to answer, What is a Square in Roofing? but you probably also want to know how to determine how many squares your roof is.

A square in roofing is 100 square feet of the roof. It does not have to be a literal square and 4 x 25 is one square, just like 10 x 10. For example, a 20 square roof is a total of 2,000 square feet of surface area.

In this article, you will find information about the parameters of a square in roofing and why roofs are measured in this way. You will also learn how to measure and calculate the square footage of your roof and what you can expect to pay per square for a roofing job.

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Cost To Reshingle Roof

A complete roof replacement includes tearing off the existing roof, replacing any damaged decking, installing new felt, and applying new shingles. However, reshingling is a popular alternative to full replacements for homeowners who need roofing upgrades but still have a solid roofing foundation.

A roof reshingle is done by putting new shingles over the existing shingles without a complete teardown of the product that is already on the roof. This is called an up and over job. For a reshingle project, a roofer may also choose a rip off job, where they pry the old shingles up before installing new roofing shingles and paper on the bare sheathing.

It may be difficult to find a contractor to do a reshingle as shingle warranties may be voided. In addition, reshingling may not meet current building codes. However, there are situations where a reshingle may be appropriate. If the existing shingles are flat and there is no damage to them or the decking, a reshingle may be less expensive than an entire replacement/new installation. If your roof is eligible for a reshingle, it could save you $500 – $1,000 with the average cost to reshingle a house at $6,500 – $7,000.

Buyer beware–make sure your contractor is licensed and insured if they are willing to do a reshingle. Also, check out warranty requirements for the shingles and the labor. If you save a little on the average cost to reshingle a roof, it could cost you more in the long run.

Also Check: Skylight On Metal Roof

How Roofing Squares Are Used

Contractors use squares when pricing a roof, 95 percent of the time, and use this measurement to figure out their pricing. When they talk to building inspectors, they dont say 1453 square feet they say 14.5 squares.Roofing suppliers / manufacturers have their roofing materials prices per square Our roofing calculator uses a set price per square when you calculate a roof. Different roof types have different prices, but it is still per square.

Metal roofing shingles are priced per square, and in most cases are shipped in boxes containing 1 square or 1/2 square, depending on the profile of the metal shingles.

At the same time, standing seam metal roofs are priced per square foot and linear foot . Still, the price per square foot of standing seam metal is dependent on how many roofing squares is in the order .

Asphalt shingles is the most common type of residential roofing, holding a comfortable and dominating lead over other materials. Asphalt Shingles account for about 90 percent of all residential roofing materials sold each year in the US. Whenever a contractor is measuring a roof, they know that each square of roofing shingles is 3 bundles , and if you have 20 squares of roofing, you will need 60 bundles of shingles.

Can You Install A New Roof On Top Of Old Shingles

How Many Bundles Of Roofing Shingles In A Roofing Square?

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.

Also Check: Skylights In Metal Roofing

How To Calculate A Roofing Square

Before beginning, make sure you can safely access your roofif you can’t, contact a roofing professional for help.

Grab your measuring tape, level, pen and paper, roof safety equipment, and your ladder. With these in hand, you can measure your roof in five simple steps.

  • Determine the number of planes. Your roof is made up of planes. If you have a flat roof, it has one plane. If you have a simple gable roof, it has two planes. The more architectural details your roof has, the more planes you will have to measure.
  • Measure each plane. Find the length and width of each plane. Then, multiply those two numbers together to find the square footage of that plane. For example, a 35 ft. X 36 ft. plane = 1260 sq. ft.
  • Find the total of all the planes. Add the square footage for each roof plane into one total. 1,260 sq. ft. + 1,260 sq. ft. = 2,520 sq. ft.
  • Divide to find the squares. To find how many squares are on your roof, divide the total square footage of all your planes by 100. In our example, the total was 25.2 squares 2,520 sq. ft. divided by 100.
  • Remember the roof slope. Roof slope indicates how steep your roof is and may increase the number of squares of materials you need. Roof slope is calculated by determining how many inches a roof rises vertically for every 12 inches it extends horizontally. For example, if that vertical rise is 4 inches, the slope is 4:12.
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