Roofing Over an Existing Roof: What You Need to Know

Roofing Over an Existing Roof: What You Need to Know

Roofing over an existing roof requires replacing the old roof to install new underlayment and flashing. You’llIt’s an excellent idea to use tarps, which protect the landscaping below and catch thousands of nails that fall to the ground. You’ll also need to remove any nails from the old roof so that you can prevent damage to the new shingles. Some types of underlayment are challenging to remove, including self-stick ice-and-water ones.

Roofing over an existing roof

There are many things to consider before reroofing your home. For starters, it is a good idea to check the building codes for your area. Some cities allow up to two layers of roofs. In addition, tearing off the old roof and replacing it with a new one can be expensive and time-consuming. Moreover, it will take a roofer several days to complete the work. To avoid this problem, you should choose reroofing because it is quicker and easier.

First of all, make sure the existing roof is in good shape before you start the project. It is important to note that overlaying an existing roof adds additional weight to the home and can cause the existing roof to degrade. This can make the final roof appear uneven, which may not match the appearance of the new one. Moreover, you may have a roof with noticeable imperfections if you don’t use three-tab shingles.

Another essential thing to know is that reroofing is a good option for homes with existing roofs in good condition. However, the pros and cons of reroofing vary from home to home. A certified roofing contractor can advise you on the best option for your home. They can give you the correct information and ensure a quality roof.

Before reroofing, make sure to check the building codes for your area. Usually, building codes allow only two layers of roofing. You must remove the old ones if you have more than two layers. This is necessary, as curled shingles can make it impossible to install a new roof.

7 (Common) Types Of Roof Damage To Watch For


Roofing costs over an existing roof vary based on the material you choose and the size of your home. You may spend anywhere from $125 to $550 per square foot, depending on the amount of material you choose. Structural reinforcement may also be needed depending on the size of your home, which can add another $500 to $1,500 to the overall cost. These costs are then added to the roofing material and labor costs.

To get an accurate quote, request several estimates from contractors. It would be best if you also asked questions to determine how much your budget is. For example, you can ask about the materials used and whether they suit your money. For a cheaper cost, you may install one layer of asphalt shingles on top of the old layer.

Roof replacement costs vary significantly from region to region. For example, the cost of roofing over an existing roof in the Pacific Northwest and Florida is higher than in the eastern part of the country. In these two regions, homeowners are more likely to get a higher return on investment for their roof replacement.

In addition to the material used, the type of shingle you choose dramatically affects the total cost. If you choose a luxury material like copper or slate, you can expect to pay more money than with basic asphalt shingles. Copper or synthetic slate roofing can cost between $12,000 and $30,000 for an essential roof replacement.

There are several types of tiles available on the market. The most expensive is natural slate, which can cost between $32,000 and $50,000 for an average-sized home. It is a durable material that can last for over 100 years. If you are considering slate roofing, it is essential to consider the size of your existing roof, the pitch of the roof, and the accessibility of the roof.


If you’re considering replacing the roof on your home, there are several things you should consider. First, think about the type of roofing materials you’d like. You may want a different look, but the type of roofing materials you choose will determine how long the project will take. It would be best to watch for any signs of roof damage.

If your shingles are curling or buckling, it’s time to replace the roof. This is an early sign of weathering and a potential leak. You can try to fix these issues by getting the help of a local roofing company. However, if the problem is widespread, you may consider a complete roof replacement.

Roofing replacement can take from one day to several weeks, depending on the complexity of the roof and the size. Getting estimates from several contractors to find the best one would be best. Once you find one, accept the estimate and let the contractor get started. This process can take anywhere from one day to two weeks, depending on the contractor’s experience.


Whether replacing the roof on your home or adding a new one, it’s essential to consider the sustainability of the materials you use. Many of the latest roofing materials are better for the environment than traditional materials. Not only do they last longer, but many can also be recycled. Learn more about sustainable roofing materials with Rise’s online course.

One of the essential elements of the sustainability of a new roof is the installation process. The materials used to install a new roof will impact its sustainability profile, as will any primers, adhesives, and cleaning products. Improper installation can reduce energy efficiency and increase the risk of premature roof replacement.

Some eco-friendly roofing materials include wood shingles and shakes. While they are more expensive than traditional materials, they last much longer than conventional materials. Some eco-friendly roofing materials outlast their competitors by three to four times. These roofs also increase a home’s resale value and curb appeal.

Another eco-friendly option is to apply an acrylic or silicone roof coating over the existing roof. This eliminates the need for tear-off and dumping. This will save time, money, and gas. Another eco-friendly option is to use a tile that can be recycled. It will still be durable enough to last for generations and will also reduce waste.

Whether it’s worth it

While roofing over an existing roof sounds like a cost-effective way to improve your home, there are several reasons not to do so. Using this method will result in a poorer-looking roof than a new one and can reduce the value of your home. Even worse, it will only cover up the visible surface of a problem which can lead to higher energy bills and leaks.

Another major disadvantage of roofing over an existing roof is that it increases the risk of a leak. That’s because more shingles mean more nails and more areas where water can enter. In addition, adding a new roof doubles the weight on the roof deck. Before starting, know the weight limits for your particular roof deck.

Some materials are not suitable for roofing over an existing roof. While installing a new roof over an old one is possible, you’ll have to remove all the old materials. This can be risky, especially if the original material has multiple layers. Also, if you’re replacing an older roof with a new one, you must ensure the surface is flat. The roof should be scrutinized for visible damage, as old shingles can curl over time.

Our team can assist you with the utmost integrity. Call Today For a Free Estimate!

Schedule a Free Inspection/Estimate, and Don’t forget to ask us about our Spring special! Just visit this link https://easternext.com/contact/

Kyle Houck


About the Author

Kyle Houck is the President of Eastern Exteriors, LLC.

Eastern Exteriors, LLC is a family-owned company based in Frederick, Maryland. From new roof installation and roof repairs by professional roofers to premium window installations and expert siding installation, we are a full-service exteriors and contractor roofing company. And, if storms blow your way, we’ll be there to assess and repair the damage quickly.

Click to access the login or register cheese
x Logo: ShieldPRO
This Site Is Protected By