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How Much Tin Do I Need For My Roof

How To Use Pitch Calculator

How do I measure my roof for metal roofing?

To estimate roof area, enter width and length , and either Rise or Pitch second value will auto-calculate. Click calculate. The results will pop up below the calculate button, and will include: Rafter Length, Total Size / Area, and Pitch.

Using the diagram below, measure your roof from the ground, and enter building dimensions into the calculator #2 above. Enter the span , and the rise above the base line.

To calculate your pitch and size, measure your roof and plug in your measurements in accordance with the diagram below. Enter EITHER Roof Rise or Roof Pitch.

Tin Roof Installation Costs

A tin roof can be a good option for many different types of buildings. Whether you need to add a new roof to your home, you are adding a roof to the garage, or a shed, barn, or outbuilding, tin has a lot of benefits.

They are durable and can provide you with quality roofing for decades before needing replacements. Tin roofs can work well with different styles of buildings and can fit in well in most neighborhoods. You will also find that these types of roofs tend to be energy efficient and can help to keep homes cooler.

When you are choosing to install a tin roof or any roof for that matter, you can start to get a better idea of the cost by first knowing how much square footage you will have to cover. This will let you have a much better idea of how much your materials will end up costing.

Tin roof installation: 2,000 square feet.


Check out our guide if you need a loan for your home improvement project.

The History Of The Metal Roof

Metal roofs have been around for centuries now. They have been found dating as far back as the 3rd century BC. We have some metal roofs around today that were made back in the 1800s, that still stand as a living testament of their long-lasting durability. Metal roofs have been known to last up to a hundred years or more, which is why you will find some installers giving warranties on them for up to 50 years.

Metal roofs are near impermeable, and they are known to be resistant to all types of dangerous elements such as fire, heavy snow, hail storms, and even hurricanes. Theyre also resistant to corrosion, shrinkage, and cracks, oh so they are superior to shingles in many aspects. Metal roofs are also cheaper than asphalt shingles.

Metal roofs can also give you enhanced energy efficiency due to their high solar reflectance, providing reductions in heat gain because it reflects lighter rather than absorbing it. This offers an ongoing savings on energy costs, and thats something you definitely want to add in if you are considering buying one.

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How To Estimate Metal Roofing Panels

A metal roof is one of the most durable material options for your home. When ordering supplies, it is important to estimate materials correctly to allow for an efficient installation process.

Estimating the amount of metal roofing material you need starts with estimating the square footage of the roof itself.

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Calculating Patio Roof Costs

Rusted Tin Roof on a Halloween House

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

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About These Sheet Steel Weights

The values provided in the table are standards real-life products will vary.

These values should not be used if extreme precision is needed for critical engineering calculations. When such precision is required, always refer to the data sheets of the actual, specific product you intend to use, or better yet, contact the technical department of the product manufacturer.

Manufacturer technical data sheets are almost always made available on the websites of reputable manufacturers.

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Metal Roofing Costs By Type

In roofing, a sheet equates to 100 square feet. Any metal roofing materials cost estimate you receive from a roofing contractor will likely be listed in sheets, so its important to understand this. When it comes to roofing material, there are many different types of metal roofs, and they all vary in price. Below, weve included a table to compare the different metal roofing prices, and a brief explanation of some of the most popular types of metal roofing.

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How Much Does A Metal Roof Cost Compared To Shingles

When faced with roof replacement, many homeowners have settled for the cheapest, most popular product asphalt shingles. But over the past several years, a funny thing has happened. Homeowners, tired of the constant churn of shingle replacement, are searching for better roofing options.

Perhaps thats why residential metal roofing continues to gain in popularity. With increasing frequency, homeowners consider the possibilities of a metal roof on perhaps their most significant investment, their home. Based on recent data, metal roofing now holds 12% of the remodel market share and 8% of the spending for new residential construction.

Think about those statistics for a moment. That means 12% of the homes that need a roof replacement no longer replace their shingle roof with another shingle roof.


Because in many cases, theyre simply tired of the never-ending cycle of budgeting for and paying off a roof on their home. In the wise words of Albert Einstein, theyre just over the insanity of it all.

Consequently, large numbers of homeowners are researching the possibility of metal roofing for their home, and of course, product cost is a necessary component of any research effort. With metal roofing lasting three times as long, most homeowners expect the product to cost more however, the question is, how much more?

Can I Install A Metal Roof Myself

How to measure a roof and calculate square feet. | 01/2020

How Much Does Corrugated Metal Roofing Cost? Materials +

While most metal roofing styles can be installed as an advanced DIY project, metal roofing installation is complicated and can vary slightly based on the brand of panels or shingles that you select. We recommend that you install a metal roof with one or two helpers and fall protection equipment designed for roof work.

Is a metal roof more expensive than tile? Disadvantages of Metal Roofing That being said, on average, the cost of a standing seam metal roof system ranges from about $7.00 to $12.00 per square foot. So while the cost of a metal roof is more expensive than a shingle roof, a standing seam metal roofing is actually cheaper than a Spanish clay tile roof.

Will a metal roof increase the value of my home?

While there are cheaper options on the market, metal roofing offers performance, protection, and profitability. Today, a metal roof can increase a homes resale value up to 6% when compared to asphalt.

Do metal roofs leak more than shingles? Do Metal Roofs Leak More Than Shingles? If installed incorrectly, metal roofs have the potential to leak more than shingles. However, if you find an experienced contractor who can install it correctly, metal roofs shed snow and ice to prevent moisture buildup.

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How To Measure Roof Rise

Typical vinyl siding has 4 exposure, so 3 spans would be equal to 12 or 1 foot. Calculate the number of spans from the base line to the peak. Since most homes have a Rake wood, which is usually 6-8 wide, you can add that width to the rise.

Example: If you have 19 spans of siding at 4 exposure of each span, and a 6 rake board, the rise would be:

/ 3 = 6 10 roof rise.

Converting pitch to degrees can be useful in figuring out the roof geometry, or for European contractors who are not accustomed to th eUS system. See Table below:

Metal Roof Prices By Type

It is important to understand that metal roofing is a broad term covering a range of materials with a large disparity in price. Metal roofing will generally run you anywhere from $3.10 to $29.65 per square foot, depending on which kind of metal roof you choose to install.

There are more affordable metal roofing options, like steel panels, which usually cost you slightly less, as well as high-end materials, like copper roofing, which tend to average out on the pricier side. Note that new metal roof replacement costs could reach up to $88,000 or more to install on a standard-sized 3,000 square foot roof.

See our chart below of the most common metal roof types and the average costs to install each. Note that the average installation costs listed are based on a standard 3,000 square foot roof.

Copy of Metal Roofing Costs by Type

Metal Roof Types

Average Cost per sq. ft:

$2.20 – $4.05

Aluminum roofing costs run from $2.20 to $4.05 per square foot on average, with a national average of $3.10 per square foot. They come in the form of tiles and shingles instead of metal panels. Aluminum shingles can cost anywhere from $6,600 to $12,150 to install on a 3,000 square foot roof. Though metal shingles are not as affordable as corrugated metal roofing panels, they are a better deal overall.

40 years or more

This type of metal roof is also fire resistant and can withstand harsh climates like hurricanes and other severe weather conditions.

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Minimum Slope For Asphalt Shingles

The requirements for an asphalt shingles roof are contained in the International Building Code. According to this code, the minimum slope for asphalt shingles is 17 degrees or two vertical units to twelve units in the horizontal.

In case a slope greater than this is necessary, then a double underlayment application must be used as per the requirements of the International Building Code.

Pros And Cons Of Tin Roofs

31 of Your Toughest Roofing Questions Answered

Metal roofing is a far greater investment than an asphalt roof. Homeowners should consider the fact that the life of a tin roof is decades longer than other roofing material types and that it can add value to your home. A metal roof can be an affordable option if you want to install a cheaper metal roof material.

  • Can be noisy if attic is not insulated
  • Can become dented during hail storms
  • More expensive than many other roof types
  • Before investing in a new metal roof, you may have concerns about the potential for rust, noise from rain and wind, and denting, but modern engineering addresses these concerns.

    You do have to properly insulate your attic to prevent your roof from creating too much noise, but this is sound advice regardless of the type of roof you choose to install. Additionally, with most textured roofs, minor denting if it occurs is not easily visible. Finally, some believe that metal roofing will increase your likelihood of a lightning strike. While metal does conduct electricity, electricity is not drawn to it. In fact, because metal roofing is fire resistant if your home is struck by lightning, your risk of fire is actually

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    How To Calculate A Corrugated Metal Roof

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    Corrugated metal roofing is used through out the world, from Alaska to Australia to India. Its appeal owes much to the simplicity and strength of the material, as well as its availability and low cost. Corrugated metal sheeting is available in different thicknesses, styles and sizes, but regardless of the shape and size, the sheets must be overlapped, like roofing tiles, to provide a continuous and watertight finish, with no gaps through which weather can penetrate. The overlap must be taken into account when determining how many sheets to use.

    Things To Consider With Metal Roofs

    If you are unfamiliar with metal roofs, you may have concerns about the potential for rust, noise from rain and wind, and denting, but rest assured that modern engineering addresses these concerns. Additionally, some believe that metal roofing will increase your likelihood of a lightning strike.

    While metal does conduct electricity, electricity is not drawn to it. In fact, because it is fire resistant, if your home is struck by lightening, your risk of fire is actually with a metal roof. Finally, a metal roof will not make your home colder in the winter. As long as your attic is properly insulated, your home will stay just as toasty as any other home in the winter.

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    Minimum Pitch For Corrugated Metal Roof

    Just like other metal roofs, the minimum pitch for a corrugated metal roof largely depends on the profile of the roof.

    In most occasions, a pitch of three in twelve is preferred, but this should also take into consideration the manufacturers recommendations as well the unique condition of the corrugated metal roof. These slope considerations also apply to standing seam metal roofs.


    The main aim of having a drain or drainage is to redirect runoff away from the roof to other designated places. Water will flow as long as the drainage angle is greater than zero however, not just any pitch above zero is suitable for all kinds of drainage.

    It can be argued that the minimum roof slope for drainage is 10 since this is sufficient to allow water to flow, but there are other design considerations that must be taken into account when determining the final minimum slope.

    These considerations include the length of the roof, the roofing material, the size of the roof as well as the rainfall characteristics of the region in question.

    A wide roof with a steep slope will lead to faster runoff, hence necessitating a slightly steeper slope for effective discharge of the rain water.

    A small roof with a shorter length on the other hand will not collect a lot of water within a short period of time and will work just fine with the minimum roof slope for drainage.

    How Does The Gauge Of The Steel Affect The Corrugated Roofing Cost

    How To Metal roof for cheap

    There are lots of options when you are choosing the gauge or thickness of corrugated metal roofing. The gauge of the steel can be a bit confusing as a lower gauge is actually heavier steel. For example, 24 gauge is heavier than 26 gauge steel.

    The vast majority of corrugated roofing is either 24 gauge or 26 gauge. Either gauge is appropriate for a corrugated roof. However, if you want a PVDF paint system then you must purchase a 24 gauge. If you would like a 26 gauge roof then it would only be available in a SMP paint finish. Corrugated roofing in a 24 gauge vs 26 gauge will add 25% to 35% to the price.

    The lightest gauge that you can purchase is a 29 gauge corrugated roof. It is our opinion that 29 gauge is a bad investment. The 10% material savings vs the overall installed price of the roof just does not justify the lighter gauge.

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    Standing Seam Metal Roof Costs

    Standing seam metal roofs have far superior longevity and last two or three times longer than non-metal roofs. They are the most common metal roof design due to its availability all over the U.S. to roofing installers and easy access to metal materials. The design features vertical panels that are joined by interlocking seams as seen below.

    Importance Of A Roof Pitch

    The chief reason for having a roof pitch is to redirect water and snow away from the roof and avoid any percolation that might result from stagnation of water on the roof.

    As standard practice, places with heavy rainfall or snow storms will have higher roof pitches compared to places that experience less rain and snow.

    Other than directing away water and snow, there are still a number of reasons as to why the pitch is such an important component and should never be ignored in the design and installation of any roof type.

    It will dictate a number of other roof features such as the roofing material to be used, the architectural properties of the roof, the walkability on the roof and the roof sections to be covered. The pitch also affects the economic aspects of the installation.

    For instance, steep pitches lead to more roofing material being used. In turn, this will result in a higher roof installation cost.

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    Positioning The Metal Sheets

    Position each metal sheet within the confines of the inside foam closure strip, which is shaped to fit them.

    Set the closure strips along the eaves about an inch from the edges and stick them with butyl tape.

    Apply sealant on top of the strip, and lay down the sheets they can overhang about an inch from the eaves.

    Sometimes You Need To Do A Quick Calculation To See If The Numbers Stack Up We Get It

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    Our table of roof slope factors will help you do the maths when it comes to roof areas, sheet length and hip length. Remember, these methods are for quick estimating purposes only. Accurate measurements must be taken from the actual roof frame before ordering roofing and rainwater products.

    As an example, take a typical hipped roof where all four roof sections have the same slope and all hips are of equal length.

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