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What Factors Go Into the Cost of a New Roof

Replacing your roof may seem like a straightforward process, but countless factors affect the cost. Aside from the shingles, additional items like nails, ventilation, flashing and labor are all parts of the roof replacement cost. Follow along with us as we break down the average cost to replace a roof and help you understand why. By the end of this article you’ll know what you need and what you can do without to protect your roof, your home and your family.

How Much Does a New Roof Cost?

The average cost to replace a roof can vary quite a bit. According to HomeAdvisor, the typical range for roof replacement costs is between $5,100 and $10,000, but roof replacement can be as low as $1,200 or as high as $30,000. Many roofing companies will charge between $3.50 and $5.00 per square foot. The average roof size is about 1,700 square feet, but here in Des Moines a roof averages around 3,000 square feet. The cost depends on a variety of factors including square footage, material, damage to your roof and more.

On the lower end of this spectrum, you’ll be getting a roof with lower quality materials, and possibly lower quality work that cuts corners. Choosing to move forward with low quality work will result in needing your roof replaced sooner and could even void your warranty. Be sure to always ask a roofing company about their insurance and liability before hiring them, to make sure you are covered in case of an accident, as well.

Superstorm Restoration is fully licensed and insured to protect you in the event of an accident. When you call Superstorm Restoration, we will come out for a free evaluation and provide you with an estimate that factors in all code requirements, so you know from the very beginning what to expect.

Before we break down the cost of materials, let’s help you understand how roofers measure material. Roofers discuss the cost of material in “squares” - a ten foot by ten foot, or 100 square foot, roofing area. Instead of giving you estimates of the roofing cost in square feet, they will use this square measurement, which they come up with by finding the length by the width of each roof plane and adding those measurements together.

How Much Does It Cost to Reshingle a Roof?

The national average cost to reshingle a roof is around $7,200, according to homeguide.com, but it can vary drastically. The cost to reshingle a roof depends on a number of things such as roof size, geographic location, shingle material and other factors. If you're looking for a minor repair instead of reshingling the entire roof, you could drastically save on your bottom line. Depending on the number of shingles and the materials used, fixing or replacing a few shingles can vary in cost. Roofing Calculator estimates that the average shingle repair costs around $650.

Cost to Replace Asphalt Three Tab Shingles

One of the biggest expenses which impacts the roof replacement cost is the material you select. Basic, three tab asphalt shingles, are the least expensive roofing material. A square of the material alone will typically range from $150 to $200. However, this material is very thin and susceptible to wind damage. Most local municipalities abide by 2012 or 2015 International Building Code IBC.  Under these codes, there is a minimum 90 MPH wind requirement that most all 3-tabs do not meet, so be wary if a roofing company recommends this material.

Owens Corning three tab shingles, for example, are wind resistant up to 60 mph and include 10 year algae resistance. Most likely, this material would only be used for a DIY roof, as it does not meet code. With storm winds frequently coming in above 60 mph, upgrading to a higher material can save you money in the long run.

Cost to Replace Architectural Asphalt Shingles

The other common type of asphalt shingles are the 30 or 50 year architectural shingles or laminate shingles. These types of shingles are more durable and higher quality because they are thicker than three tab shingles. The cost to install 30 year architectural shingles is usually about $350 to $500 per square.

50 year architectural shingles are even stronger, and are considered premium. The cost of this type of shingle may range from $450 to $700+ per square.

Quality roofing companies should offer a more extensive warranty for a premium product like 50 year architectural shingles. Ask about the warranty before choosing your roofing material. Paid Manufactured warranties necessitate minimum “brand” required products which allow for extended warranties. Warranties ensure you have the top-of-the-line product offered by the manufacturer. This cost is typically $8 to $20 per square, plus the extra cost for the upgraded materials.  Top contractors usually only offer high-quality products, so there may not be an additional cost depending on your contractor.

Laminated shingles from Owens Corning can withstand double that of the basic three tab shingles. Most of the Owens Corning laminated shingles are rated for 110 - 130 mph winds. Premium Owens Corning shingles also include SureNail Technology, designed to provide extra grip in the nailing area and WeatherGuard technology with maximum impact resistance to protect from storms.

In addition to shingles, there are a variety of other factors such as other materials and labor which factor into the overall price of a roof. So what else goes into roof replacement costs?

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