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How Much To Roof A 1800 Square Foot House

Buying Land And Building A House Costs

How Much Does it Cost to Replace a Roof?

Another significant element in the cost to build a house is the price of the land, unless you already own a plot where you would like to build your home. Your location could make a difference of millions. A plot can cost as little as $5,000 in Arizona, New Mexico, and Nevada, or as expensive as $2,000,000 or more in California or New York.

Even if you own the land, demolishing an existing house costs$4 and $10 per square foot before the construction of your new home.

The cost to build a house on your own land could still be higher than buying an existing home, because of the cost of a land survey, grade the land, put in a septic tank, bring utility lines and systems to the property, etc.

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Finding The Total Roof Area

Once the area of the roofs footprint is known, the overall roof area can be found by accounting for the roofs pitch. The pitch of the roof is the rise over a 12-inch run. Use our roof pitch calculator to find the pitch of your roof.

Next, multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.For example, a 4/12 pitch roof that is 100 square feet:

100 × 1.054 = 105.4ft2

Roof Pitch Area Multipliers

Multipliers for common roof pitches that can be used to find the total area of a roof.


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How To Calculate Steel Required For 1800 Sqft Rcc Slab

Weight calculation of Steel:-quantity of steel required in roof slab is about 0.5 to 1% of dry volume then average is 0.75% of dry volume

Weight =0.75%of dry volume×density of steel

Density of steel is=7850 kg/m3

W =0.75/100×32.654m3 ×7850kg/m3

Weight=1922.50 kg

1922.50 Kg of Steel is require for roof casting of 1800 square feet rcc slab

If Market rate of steel bar is 60 rupees per kg then

total cost of Steel bar =1922.50×rs 60

Total cost= Rs 115350

1922.50 Kg of Steel is require for roof casting of 1800 square feet rcc slab and construction cost for steel is Rs 115350

Q What Is The Lowest Average Price Per Square Foot A Roof May Cost To Replace

Cost Of Exterior Painting 1800 Sq Ft Home

Philadelphia, PA

asked Jun 18, 2015 in Roofing by Matt

A Thats a hard question to answer. There are many factors that need to be considered:

  • Hip roofs take more time as there are more cuts to be made. They also require more cap shingles.
  • Valleys use more material and take more time.
  • Dormers & penetrations require flashing and added labor which add to the cost.
  • Steep slope roofs take longer compared to walkable roofs.
  • How many existing layers of roofing need to be removed & disposal.
  • Damaged plywood sheathing plywood may need to be replaced.
  • Accessibility to the worksite/dumpster can impact production and increase cost.
  • Quality of shingles, ice/water membrane, and underlayment can greatly impact price. Lower quality materials are cheaper, but may not offer the performance on better components.
  • Ventilation that may need to be installed.
  • These are a few of the primary factors that can impact pricing. When comparing bids from a quality roofer, make sure you understand what materials will be used and warranty. You must compare apples to apples. Labor and material rates can also vary from one region to another. Locally, I would ballpark most basic roofing systems are $325 $375 per square. Higher quality materials and more complex installs can move that number up considerably. I would assume the labor rates of Philly will easily be on the upper end of that range.

    answered Jun 22, 2015 by NEPA Remodeling



    answered Jun 29, 2015 by NEPA Remodeling

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    New Home Construction Costs

    The cost of materials and labor to build a house will average around 75% of your home’s final price. Below we’ll cover all the home building costs in our breakdown.

    Use the cost breakdown below to check bids provided by construction companies. These costs are based on a 2,000 square foot home built at an average cost of $125 per square foot. These prices are averages and will vary depending on the materials used, type of home, and quality of construction.

    New Home Construction Costs


    Get A Custom Cost Estimate For Your New Roof Size

    While you can use the information above to estimate the final cost of your new roof, nothing will beat an estimate from an experienced roofing contractor. Usually this will involve a roof inspection where they will check a lot of things that may increase or decrease the final estimate. For example, your roof could have ventilation issues, structural issues, drainage issues or even have become noncompliant with new building codes meaning the contractor is forced by law to make additional upgrades.

    If youre here already, you should know that BuildZoom specializes in connecting homeowners and organizations needing a new roof with a filtered list of quality roofing contractors who will be best for your needs. By answering a few quick questions, youll get a much better idea of the amount youll need to budget for your new roof. You can get started by going to our website and filling in some basic details about your roofing project to get started.

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    Average Costs Of Different Roofing Materials

    There are five standard types of roofing materials that you have to choose from:

    • Asphalt shingles
    • Slate
    • Clay tiles

    Each of these materials varies in cost, durability, and lifespan, as well as other features like energy efficiency and aesthetics.

    If you live in an HOA community youll likely be limited on the type of roof that you can have installed. Some neighborhoods also have restrictions on roofing materials, either due to appearance requirements or optimal roofing for your climate .

    If you have your pick though, then its definitely worth looking at the different types of roof materials and figuring out which makes the most sense for your home and your budget.

    Heres a quick rundown of the basic differences to be aware of:

    Popular Roofing Materials In The Usa

    Cement required for 1000 sq ft house and cost

    We will discuss government regulation in more detail below, but in some cities, states or counties, you may have much less choice over your roof material choice. For example, in California there are strict fire regulations which means that you are not allowed to choose wooden shingles. Instead youll have to choose from fire retardant metal, tile or asphalt shingles.

    Depending on your choice of style and current home structure you may be able to choose between the following materials

    What is a shingle?

    Shingles are one of the most popular roofing materials used throughout the United States. Technically, if your roof features more than one piece of material, it is referred to as a shingle roof even though the look that immediately springs to mind would be a patchwork tiled roof. Shingles can be made from traditional cedar wood through to asphalt, slate, metal or clay, so you need to know your different types of shingles before moving on with your roofing project.

    Asphalt Shingles and Composition Shingles

    Asphalt shingles are one of the most popular shingles in North America. They are durable, lightweight and fire resistant making them very popular in California and other dry, hot areas of the United States. Composition shingles are made from composite materials and you typically have two choices: fiberglass or laminated architectural.


    The average cost per square foot of Asphalt Shingles is $0.96 to $1.80 per square foot.

    Wood Shingles and Wood Shake


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    Average Cost Of Materials For A Metal Roof

    As described above, the average cost of materials for a metal roof is around $12.00 $13.00 per square foot, but that can definitely vary based on your area, the exact type of material you choose for your metal roof, and the idiosyncrasies of your property, and other environmental factors that impact the final metal roofing quote.

    Installation and labor costs also make up a major component of the cost of your new metal roof, regardless of the type of materials that you choose, so take that into consideration when you are getting started on choosing a metal roof or any kind of roof for your home.

    That said, knowing the average cost of materials for a new metal roof in the United States is an important starting point!

    The national average for a new metal roof is $18,500 , but of course, that varies depending on the type of roofing materials, your location, and your property.

    Patio Roof Replacement Cost

    The average cost of a patio roof replacement is between $3,000 and $15,000. Patios can have a much wider range of roofs than other buildings and areas. The roof is often stand-alone or different from the home, although in some cases, it may be an extension of the homes roof. Most patios have roofs made of materials like wood, glass, and insulated aluminum. The material and patio size and shape determine the cost. Most patio roofs are flat enough not to raise labor costs extremely high.

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    Metal Roofing Costs Vs Shingles

    The costs of metal roofing versus the costs of asphalt shingles or other types of shingles are somewhat dependent on your location and the type of property that you have, along with your initial starting budget.

    Also, you should keep in mind that metal roofing has a much higher resale value than some other types of roofing, so consider that when you are choosing what type of roof you want to install on your home.

    If you are choosing between metal roofing and shingles, keep in mind that metal roofing can be a great choice, because it can pay for itself via energy efficiency.

    A metal roof can result in decreased home cooling costs, and it also has a great resale value due to its reliability and longevity.

    With a metal roof, you will most likely not have as much of a need for maintenance and repairs, and you will probably not need to replace it as quickly since metal roofing tends to be fairly low risk in regard to premature roof failures and the subsequent need for replacement.

    Metal roofing also tends to have a positive resale value if you change your mind or want to replace your roof for aesthetic reasons.

    The national average for metal roofing costs around $18,500, but the resale value can possibly offset some of the costs of the initial install.

    The lifespan of a metal roof can last from 38 60 years.

    How Much Does A New Roof Cost Depending On House Size

    Traditional Style House Plan

    You cant talk new roof costs without taking into account the size of your home.

    A roof encompasses slightly more square feet than the home itself, since its on a pitch and also has additional features like overhangs. If you know the square footage of your house, figure that your roof is about 80 to 100 square feet larger, provided that you dont have any excessive overhangs, such as a roofed portion of your patio thats connected to your main structure.

    As for how much a new roof costs based on size, HomeAdvisor has some helpful information on that too. Heres what they say:

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    How To Estimate The Cost Of Your New Metal Roof

    Of course, the cost of a metal roof also depends on the size and shape of your roof, your local market rates, the type of home you have, and any other special conditions such as unique climate or weather factors like wind damage on your roof.

    The thickness of the metal roof, the roof type and quality of the paint finish that you choose, and the unique shape, details, and other factors that make your roofing project unique all play a role in the cost of your roof as well.

    All of that said, you can begin to estimate based on the aforementioned costs and start to assume that your new metal roof will cost around $12.00 $13.00 per square foot, and a typical single-family home requires between 1,500 2,000 square feet of metal roofing , so you can assume that your new roof will cost between $18,000 $26,000.

    There are less expensive or cheaper metal roofing options like corrugated steel or ribbed steel as well.

    Read on to learn more about the various types of metal roofing, which range from high-end standing seam metal panels to metal shingles and everything in between.

    The most important thing is to find something that fits your budget, style and will provide the best protection as the literal roof over you and your familys heads.

    Cost To Install Flashing On Roof

    If leaks are occurring around your chimney or skylights because of age or physical damage, the cost to install flashing on your roof ranges between $200 to $500 for each chimney or skylight. In the case of a roof being replaced, depending on the age and the condition of the original flashing, the roofer will either replace the flashing completely or reuse the original metal.

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    The Average Price Per Square Foot

    One of our customers from Philadelphia asked

    Q What is the lowest average price per square foot a roof may cost to replace?

    A lot of our contractors responded.

    • NEPA Remodeling said $3.25 to $3.75 per sq ft
    • DDT Home Transformations said $1.50 to $6 per sq ft
    • DC Roofing said $5 per sq ft minimum
    • Mehar Enterprises said $7 to $12 per sq ft

    Roof Installation Cost Factors

    How Much Does A New Roof Cost?

    There are many things that make up the price to install a new roof in addition to the material choice and labor costs. Additional materials such as underlayment, venting, flashing, trash removal, and permits are often required for an installation and add to the cost. There are some other factors that may affect the price of installation to be aware of.

    Steep roof pitch: A steep roof pitch can add to the cost of installation as it will be more time-consuming to work on a steeper pitch. Depending on the pitch additional equipment may also be necessary.

    Complex roof architecture: A complex roof architecture is more time-consuming to complete than a simple flat roof due to angles and fitting. Complex roof structures also require additional flashing, adding to the total cost.

    Tear-off of old roof: If you need to have an existing roof removed prior to installation expect to pay an additional $100-$150 per square to have the existing shingles removed. This may be a necessary step depending on how many layers of existing roof there are.

    Roof deck repair: If the existing roof deck is rotten or damaged it might need to be repaired or completely replaced which could add to the expense of the installation.

    Skylights and chimneys: Skylights and chimneys require a bit of time to add flashing and prevent the area from leaking. This can add labor and material costs to the installation.

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    Labor Cost To Reroof A House

    he roof material and style are only two parts of the equation when it comes to replacing it. Labor also plays a big role in your total costs.

    The costs of your labor vary depending on the material. Tile, slate, and wood shakes are more difficult to install than asphalt shingles. Your labor costs are also impacted by the roof pitch and shape. Roofs with very steep pitches, curves, or changes in angle are more complex and often require not only more material but also a longer time to reroof.

    Most roofers charge roughly $75 an hour for their work, plus the cost of the materials, which translates to roughly 60% of your total costs for labor and 40% of your total costs for material. A very rough cost breakdown for a 2,000 sq.ft. roof replacement using architectural shingles includes:

    • Cost of the material – $4,000
    • Cost of the tear off – $2,000
    • Cost of installation – $3,000

    These costs do not include any new decking and assume a gable or hip roof with a 4/12 to 8/12 rise. A roof that needs repairs to the decking or has a higher rise will cost more to reroof.

    What Is The Average Cost Of Roof Replacement In 1200 Square Feet

    For 1200 square feet, it will cost you from 2,650 to 6,530 on average depending on the roofing material. If you consider the materials, the prices will be:

    • For tab 3 asphalt shingle is lowest at $1,880 and highest at $2,740.
    • For architectural asphalt shingle, as low as $2,630 and as high as $5,390.
    • For cedar or wood shake from $3,890 to $6,750.

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