Common Mistakes To Avoid When Replacing An Old Asphalt Shingle Roof

Are you planning to replace your old asphalt shingle roof? If so, you need to be aware of the common mistakes that many homeowners make during the process. By avoiding these mistakes, you can save time, money, and ensure that you get a high-quality and long-lasting roof.

First and foremost, failing to properly prepare your roof can lead to significant issues during the replacement process. This can include leaks, damage to your home’s interior, and even safety hazards for the workers. It’s crucial to have a thorough inspection done before starting any work, as well as ensuring that your roof is clean and free of any debris. Keep reading to learn more about the common mistakes to avoid when replacing an old asphalt shingle roof.

Failing to Properly Prepare Your Roof

You’re going to want to roll up your sleeves and get ready to sweat because failing to properly prepare your roof is like trying to paint a dirty wall – it’s just not going to stick. Before starting with the installation of your new asphalt shingle roof, it is essential to conduct a thorough roof inspection. This will help you identify any underlying issues that need to be addressed before you install your new roof. Check for leaks, moisture damage, and any signs of rot or decay. Make sure that the roof deck is in good condition and can support the weight of the new shingles.

Another mistake to avoid when replacing your old asphalt shingle roof is starting the installation process without considering the weather conditions. You should avoid installing your new roof during the rainy season or extreme weather conditions like snow or hail. The weather can affect the installation process, causing delays, and compromising the quality of the work. To ensure a successful installation, plan your project during a season when the weather is mild and predictable. This way, you can avoid any potential damage caused by weather conditions and ensure that your new roof is installed correctly.

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Choosing the Wrong Materials

Don’t make the mistake of selecting inappropriate materials when upgrading your roofing system. While cost considerations are important, you should also take into account the environmental impact of the materials you choose. Opting for cheap materials may save you money in the short term, but it could end up costing you more in the long run if the materials fail to withstand harsh weather conditions or if they require frequent repairs or replacements.

When it comes to selecting materials, consider their durability, energy efficiency, and environmental impact. Materials like metal, slate, and tile may be pricier than asphalt shingles, but they are known to last longer and require less maintenance. Additionally, they are often more energy-efficient and better for the environment, as they can be recycled or repurposed at the end of their lifespan. By investing in high-quality materials, you can ensure that your new roof not only looks great but also protects your home for years to come.

Not Hiring a Professional Roofing Contractor

Hiring a professional roofing contractor is crucial for ensuring that your new roof is installed correctly and will last for years to come. While DIY may seem like a cost-effective option, it can ultimately lead to more expenses and headaches in the long run. DIY dangers include the risk of injury, improper installation, and lack of experience with the latest roofing technology.

When you hire a professional roofing contractor, you can rest assured that your roof will be installed according to industry standards and best practices. Experienced roofing contractors have the knowledge and expertise to properly assess your roof’s condition, recommend the best materials, and provide a reliable timeline for completion. Don’t underestimate the importance of experience when it comes to something as important as your roof. Invest in a professional contractor to protect your home and family from potential roof problems in the future.

Neglecting to Address Underlying Issues

Ignoring underlying issues can lead to costly repairs and potential safety hazards down the road. Don’t make the mistake of assuming that your old shingle roof only needs a simple replacement. Before installing a new roof, it’s essential to perform preventive maintenance and address any underlying issues that may exist. This will not only save you money in the long run, but it will also ensure the safety and stability of your home.

One of the most common underlying issues is structural damage. It’s important to assess the integrity of your roof’s structure before replacing the shingles. This includes checking for any sagging or unevenness, as well as inspecting the attic for signs of water damage or mold. By addressing these issues early on, you’ll prevent further damage from occurring and ensure that your new roof is installed on a safe and stable foundation.

Overlooking Ventilation and Insulation

Make sure you imagine the air flow in your home when you’re installing a new roof to ensure proper ventilation and insulation. The importance of ventilation cannot be overstated, as it helps regulate the temperature and moisture levels in your home. Without proper ventilation, your home may become too hot in the summer or too cold in the winter, which can lead to discomfort and higher energy bills.

Additionally, insulation benefits both your comfort and your wallet. Proper insulation helps regulate the temperature in your home, keeping it warm in the winter and cool in the summer. This means you won’t have to rely as heavily on your heating and cooling systems, which can result in lower energy bills. So, when replacing your old asphalt shingle roof, don’t overlook the importance of proper ventilation and insulation. Your comfort and your wallet will thank you.

Pre-renovation photo of a residential home's roof before Horvath Roofing intervention


Ignoring Maintenance and Upkeep

You can easily picture the consequences of neglecting the upkeep and maintenance of your roof. The accumulation of debris, such as leaves, branches, and dirt, can cause water to pool and seep through the shingles, leading to leaks and other damage. Not only that, but neglecting regular cleaning can also result in the growth of algae and moss, which can weaken the roofing materials and shorten the lifespan of your roof.

To avoid these issues, it is essential to prioritize the maintenance and upkeep of your roof. Regular cleaning, especially after severe weather conditions, can help prevent the buildup of debris and other materials that can cause damage. Additionally, timely repairs should be made to any damages or leaks to ensure that the integrity of your roof is maintained. By taking these proactive steps, you can extend the life of your roof and avoid costly repairs or even replacement in the future.


So, you’re planning to replace your old asphalt shingle roof. It’s a big investment, and you want to make sure you do it right. To avoid common mistakes, you need to properly prepare your roof, choose the right materials, hire a professional roofing contractor, address underlying issues, think about ventilation and insulation, and commit to regular maintenance and upkeep.

Failing to prepare your roof can lead to costly mistakes and damage down the line. Choosing the wrong materials can result in a subpar roof that doesn’t last as long as it should. Not hiring a professional roofing contractor can mean shoddy workmanship and potential safety hazards. Neglecting underlying issues can cause structural damage and even compromise the safety of your home. Overlooking ventilation and insulation can lead to moisture buildup, mold growth, and energy inefficiency. Finally, ignoring maintenance and upkeep can result in premature wear and tear and the need for more frequent roof replacements. By avoiding these common mistakes, you can ensure that your new asphalt shingle roof will be a solid investment for years to come.

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