New Roof Cost Calculator National Averages
| Roof Size |
|---|
| $27,000 |
| *Price ranges by location, pitch, and materials used |
If you are looking to replace your three-tab asphalt shingles, expect to pay between $7,000 and $12,500. Better yet, those of you who are looking for a 30-year shingle roof replacement can prepare to spend between $9,000 and $16,500. To take it up a notch, a 50-year shingle replacement costs between $11,000 and $18,500.
It costs between $8,000 and $15,500 to replace your EPDM rubber roof. For homeowners with PVC or TPO membrane roofs, dont be surprised to shell out between $10,000 and $16,500 in for a full roof replacement.
The final few roof replacement types costs include:
- Standing seam replacement $19,000-$30,530
- Steel shingle replacement $11,000-$25,500
- Wood shingle replacement $10,200-$25,500
Keep in mind that these costs are based on a national average. This means that your costs may vary depending on your homes location, region, and the number of stories. The number of old shingles to be removed will be a big factor too!
Good Roof Maintenance Saves Your Money
You dont need anyone to tell you to repair a roof leak so why do repairs and replacements when there are no problems? Trying to determine the condition of a roof while standing on the ground is difficult.
It takes inspection of both the roof and the underside of the roof and possibly the walls of a home. First, you need the experience to know what to look for. A roof is subject to normal wear and tear and little problems could be occurring which are invisible to you from the inside of your home.
Maintaining a roof and making smaller repairs as needed will hopefully prevent you from a much more expensive repair. Asphalt shingles normally last 15 to 25 years.
The better the maintenance the longer the lifespan of the roof.
So, how can you maintain a roof if there are no obvious problems?
Hire a professional contractor on an annual basis to look at your roof and address the little problems as they arise. Replacing your roof is something that you want to schedule rather than need to address as an emergency.
How Do You Calculate How Many Shingles To Buy
Measure the actual surface area of your roof rather than basing your calculations on the homes square footage. Roof pitch and elements such as gables and dormers will affect the amount as well. Use a simple roofing calculator to get a rough idea of square footage. For a more accurate picture, use a roofing calculator that can take all of these peripheral factors into account or consult with a roofing contractor.
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How Much Does It Cost To Patch My Roof
If your roof is leaking, theres a good chance a simple patching is all that would be required to fix the problem. Unless your roof is older or was severely damaged in a natural disaster, a full roof replacement often it is not necessary. If youre like most homeowners, youre probably concerned about cost of such a job and want to know: What are typical costs for roof repairs?
Hip And Ridge Cap Shingles
Hips and ridges are covered with cap shingles, which are 1-ft. shingle squares that wrap over the hip or ridge. Like regular shingles, they overlap for a 5-in. exposure.On roofs shingled with three-tab or no-cutout shingles, you simply cut standard shingles into caps. You can cap about 35 lin. ft. of ridge or hips with each bundle of three-tab shingles that come three bundles to the square. You can also salvage waste shingle pieces and portions of damaged shingles for use as caps.
For roofs shingled with laminated shingles, multi-cutout shingles, and other patterned shingles, youll have to order hip-and-ridge shingles that are manufactured as companions to the specific shingle product you are using. Theyre sold by the bundle and usually cap 35 lin. ft., but check with your supplier because some products vary. Just measure the length of the ridges and hips and divide by 35 to determine how many bundles of regular or hip-and-ridge shingles youll need.
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Cost Of Shingles At Home Depot Vs Roofing Supplier
If you are planning to install the shingles yourself, you may be wondering whether you can save money by buying them at Home Depot rather than a roofing supply store.
In short: Home Depot roofing shingles will be only slightly cheaper a difference of about 2.5%
Here is an example of pricing I got from Beacon Sales in West Bridgewater, MA , for CertainTeed Landmark, GAF Timberline and IKO Cambridge laminated shingles.
This chart compares the cost of asphalt shingles from Beacon vs. Home Depot
| Brand | |
|---|---|
| N/A | $25.00 / bundle or $75 / square |
Note, that prices for 3 tabs are calculated based on a quantity larger than 16 squares. The cost for architectural varieties is calculated based on a quantity larger than 12 squares.
Places On A Roof Where Leaks Most Commonly Occur
Leaks in shingles or tiles are a common problem. Shingles that are improperly installed or worn out will cause leaks. Replacing shingles or patching troubled spots is a minor repair. If the leak is not contained to a small area it can become a bigger more expensive repair.
Vents, skylights and any fixture on a roof are also prone to leaks. The sealing around these areas isnt as durable as around a chimney. Usually, the vent or fixture itself does not need any repair, just the sealing or flashing around the vent.
The shingles around the vent may also need to be replaced or patched. Once you know how to seal a fixture, this type of job is a minor repair.
However, it can become a more expensive problem to repair of the point of entry for the leak is not where the fixture is. High end costs range from $1,500 to $3,000.
These are generally when repairs are needed to the material under the outer layer of the roof. Sometimes this includes addressing damaged wood in outer walls as well or replacing a section of shingles in a 10 by 10 area, for example.
Leaks can also happen in and around roof valleys. Roof valleys are the built-in gutter areas where two roof slopes meet. They are meant to take water to drainpipes and are usually lined with metal flashing or vinyl strips. The flashing can be damaged by wind, fungus build up or heavy rain.
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Average Roof Repair Cost By Type Of Replacement
In some cases, it may not be possible to repair the damaged parts of your roof. If the damage is too great, parts might need to be replaced. Replacements may be required if the shingles are completely broken or the flashing is too worn to be fixed. This is usually more expensive than having the existing parts repaired. The table below shows common roof replacements with average costs.
| Type of Replacement |
|---|
| $1,500 – $7,500 |
The Cost To Tear Off And Replace A Composite Roof
Composite shingles are made of a synthetic polymer or recycled materials and designed to look exactly like a slate or cedar shake roof. Even though they are made of the same material, the cost differs depending on the type of composite shingle you choose.
A new synthetic cedar shake roof will cost around $14.00-$18.00 per square foot. You can actually expect to pay around the same price for a natural cedar shake roof.
On the other hand, a new synthetic slate roof costs around $10.00 to $12.00 per square foot to start and has the potential to get up to $20.00 or more per square foot. Unlike its cedar shake counterpart, a synthetic slate roof will always be cheaper than actual slate.
Both types of composite shingles roofs are a sizable investment and will cost more than the most expensive asphalt shingle roof.
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Wood Shake Roof Repair Cost
Wood shake roofs cost between $5 and $12 per square foot to repair. Wood shakes are beautiful and enhance your homes curb appeal, but they are expensive to install and costly to maintain. They are usually made from cedar or redwood, which is strong enough to withstand tough conditions but can still wear away during periods of excessive rainfall.
How Much Does It Cost To Replace An Entire Roof
According to the home services website Angi: the average roof installation or replacement cost in the US starts at $5,589 and can go up to around $11,664. It depends on the type of roof you have and on your local roofing company rates also. Flat roofs tends to be typically cheaper, with tile roofs more expensive.
- To replace a flat roof: $3,132 – $9,888
- To replace a metal roof: $5,431 – $15,235
- To install a slate roof: $5,806 – $24,381
- To replace a tile roof: $7,789 – $23,807
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Roof Felt Repair Cost
Roof felt repair costs $300 to $1,400 for replacing up to 100 SF of underlayment, including new flashing and removing and reinstalling roofing. Repairing the felt only costs $50 to $200 per 100 square feet for materials and labor, plus removing the old roofing to access the underlayment.
Roof felt repair cost| Tiles | $650 $1,400 |
*Includes removing the old roofing and felt, installing underlayment, and installing new asphalt or the same tiles.
- Underlayment is a water-resistant barrier that protects the roof when tiles or shingles blow off. Roofing felt lasts 15 to 30 years, and leaks occur when worn out.
- Beware of contractors who say underlayment is unnecessary. The National Roofing Contractors Association recommends underlayment for all roofs.
What Goes Into Estimating The Cost Of A New Roof
In the Maryland area, traditional 3-tab asphalt roofs are the most common and affordable roofing option. The average house size in Maryland is roughly 1,900 square feet, with older homes being smaller. A 3-tab asphalt shingle roof replacement will cost between $3.50 and $5.50 per sq. ft.
According to a Remodeling Cost-vs-Value report in 2020, the installation cost for a typical 25-year asphalt shingle roof in Baltimore averages $24,700. This price includes the cost of materials including underlayment, flashing, and vent caps, removal of the old roof, dumpster and disposal fees, permitting fees, and labor costs.
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The Cost To Tear Off And Replace A Slate Roof
A slate roof is a premium roof system made primarily out of natural slate roofing materials. Its one of the longest-lasting roof systems on the market and provides a huge boost to your homes curb appeal.
For labor and materials, you can expect a slate roof to start around $15.00 per square foot and has the potential to get up to around $30.00 or more per square foot.
Be aware, your home has to be built or retrofitted to be able to carry the weight of a slate roof. If youre strongly considering a slate roof, just know its one of the most expensive types of roofing materials on the market today.
How Much Should I Expect To Spend To Replace Roof Decking
Your roofer should charge you only for the labor and materials used for a roofing project. A standard piece of plywood roofing sheathing measures 4 x 8 feet, and anywhere from ¼ of an inch to -inch thick. The thicker the plywood your roofer uses, the more expensive the job will be. Your price could vary depending on how much the roofing company charges for labor, but generally, you can expect to spend between $70 to $100 for each sheet of plywood.
A 4 x 8 sheet of plywood covers about 32 square feet of roof areaand the average roof measures about 3,000 square feet. That means new decking could potentially add several thousand dollars to your roofing project.
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Labor Costs For Roof Repairs
One of the biggest factors contributing to the cost of the roof repair is the labor cost. The average hourly rate in the U.S. for roof labor is $75 per hour.
You may find that professional roofers charge more or less depending on your location. On the low end, the hourly rate can vary from $45 to $60 per hour, and on the high end you could pay $80 to $100 per hour for labor.
Typically professional roofers have higher labor fees if they are located on the East or West Cost, in cities such as Boston, New York, San Francisco, LA, and similar areas with very high real estate prices.
Southern and Mid-Western states tend to have much lower average incomes and therefore professional roofers also charge less money for their services out there.
You can save as much as 50% of the total roof repair cost, if you choose to do it yourself. For a DIY savvy homeowners, its fairly easy to fix asphalt shingles as well as flat rubber roofing. There are many tutorials on line that walk you through the repair.
However, more complex roofing issues are best left to the pros.
Surprise : Inadequate Decking
If the roofer starts walking on your roof and finds that the decking is springy or bouncy, theyll also recommend new sheathing. Modern decking is made from half-inch-thick plywood or OSB panels. But at one time, some local building departments didnt require anything thicker than -inch. This thin plywood is now considered inadequate, so a roofer will usually replace it when they find it. Make sure your roofer is using the proper materials and installing your roof according to code. If they try to cut corners, youll probably end up expanding your roofing emergency budget.
Though every state has slightly different roofing regulations, lets look at Californias building code for an idea of proper roofing standards.
- Wood shingles and shakes must be treated with a fire retardant property.
- Gutters must be made of noncombustible material.
- Asphalt shingles must be textured for wind resistance.
- Concrete and clay tiles can only be laid over solid sheathing or sheathing boards.
- There are specific standards for every different type of building material, from copper to steel to different types of wood and stone. Youll need to make sure that your roofer is using up-to-code materials.
- Roof material, exposure level, slope, and temperate climate are all factors with which your roof must be compliant to your state laws.
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Wood Or Cedar Shake Roof Cost
The national average for wood or cedar shake roofing is between $12,000 and $16,000, or $800 per square. The anticipated life span for most wood shake roof installations is between 30 and 40 years.
Wood shake is available in a range of thicknesses, which will affect the price as well as the protection they offer. Additional treatments are available for a class C fire rating at $0.85 per square foot, and a wood shake roof will require maintenance to clean off debris before the rainy season starts to prevent mold and moss accumulating. While they are most commonly made from cedar, followed by spruce and treated pine, you can also get synthetic cedar shake like Brava Cedar Shake from Brava which have a 50-year lifespan and requires no maintenance.
Roof Structure & Water Damage Repair Cost
Roof structure repair costs $500 to $3,000, depending on the severity. Repairing roof structure and water damage may require fixing trusses and replacing decking, underlayment, insulation, and shingles. A roof replacement is recommended if more than 25% of the roof is damaged.
Roof structure & water damage repair cost| Repair | |
|---|---|
| Replace rafters, collar ties, decking, and roofing | $7,000 $10,000 |
*Asphalt shingle replacement adds $350 to $1,000 per 100 square feet when repairs require removal and replacement of roofing.
- Structural issues occur from severe water damage, improper construction, extreme weather, termites, or aging.
- Ceiling leak repair costs$400 to $1,500 to fix water damage from the roof internally.
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Roof Valley Repair Cost
Roof valley repairs cost between $300 and $1,000. The valley of a roof is the section running between two slopes. This area is prone to damage because rain and snow build up in this location. Leaks are very common along roof valleys, and it is important to have them repaired quickly because they can weaken the roofs structure.
Cost Of A Roof Inspection
The national average for the cost of a roof inspection is $200 but prices can range from $100 to $375. Be sure to check the roofing inspectors references and license before hiring him.
You want somebody experiences and careful to do due diligence looking at your roof. Its also very important to check out the attic during a roofing inspection, to make sure that there is proper ventilation.
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Roof Vent Repair Cost
A roof vent boot repair costs $75 to $150 on a standard slope roof. A complete roof vent replacement costs $150 to $750 or between $2 and $15 per linear foot, depending on the size, type , and if it’s exposed or covered by shingles.
Roof vent repair cost| Open valley with metal flashing | $200 $850 |
*Costs based on an average 10 to 12 square foot valley. Prices increase for more expensive roofing materials or two layers of underlayment.
- Roof valleys are angled intersections that channel water down to the gutters, which are prone to leaks.
- Closed valleys have a continuous layer of shingles with an ice and water shield lining below.
- Open valleys have a stronger, metal strip lining that requires additional sealant.
