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Reroof Estimates & Inspections

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Tag: Roof ventilation

Why You Should Replace Rather than Roof Over Your Existing Roof

If you’ve been in the market for a new roof for your home, you have probably run across the option of roofing over top of your existing roof.

“Roofing over” is a method that leaves the current shingles and roof deck in place, and installs new shingles right over top of the existing ones. Alternatively, reroofing requires removing all existing shingles, doing any necessary repairs or replacement of the roof deck, membrane, and supporting structures beneath, before replacing the shingles with new ones.

Roofing over your roof requires that all the existing shingles are perfectly flat without any curling, that your roof deck be in perfect condition, that there are no leaks or ventilation issues that need addressing, and that the current roofing structure is able to withstand the additional weight of a second layer of shingles. However, if all of these things are true, you may not need a new roof at all. And even if those conditions are in place, a roof over existing roof can appear wavy and uneven. In most cases, a roof over does not make long term sense for homeowners, which is why we do not recommend this to our clients and do not guarantee this type of work.

We should note here that it is possible to roof over certain materials, like membranes that are in decent condition. This is done more often on commercial roofs depending on the core sample, decking, condition of insulation, etc. This type of project is only performed after careful inspection of the flat roof and an analysis and assessment of the materials and decking beneath the membrane.

Roofing over an existing roof is sold to homeowners as a cheaper alternative to replacing their roof. Often times, though, roofing over does not really solve the underlying issues the structure may have and can end up being a more costly option.  If you’re looking into replacing your roof, it’s likely because you’ve noticed leaks here and there, there’s damage to the shingles, shingles are missing or deteriorated or you’re noticing your energy bill is soaring. Putting new shingles overtop of existing ones doesn’t address any of these critical issues on the inside, which means damage may continue to occur. Putting another layer of shingles on top of existing ones that have issues also means it will take more time, money and material to get to and diagnose the problem, and more labor to repair the underlying issues.

Replacing your roof may cost more up front, but the return on investment is higher.

Over the long term, a new roof will look better, last longer, and protect your home better. When you allow a licensed roofing contractor to remove the existing shingles, they can properly assess any other repairs that need to be done to the roof decking, membrane, flashing, structural beams or ventilation systems. Having these issues addressed at that point means the overall lifespan of the roof will be longer. It’s also important to note that some roofing material manufacturers will not warranty a product that is put over existing shingles rather than onto a clean roof deck. While roofing over a roof may be cheaper upfront, the costs of uncovered warranty claims and an overall shorter lifespan don’t pan out in the long run.

Your roof is a major part of your home that you want to look good and function well. When you’re considering your roofing project, consider that your roof literally protects everything in your home beneath it. It’s not the place to cut corners. Before reroofing your home, research roofing contractors in your area, read up on their online reviews and ask around your neighborhood for recommendations. Get quotes from at least two to three reputable companies and research the materials they work with to ensure they are high quality and guaranteed with a manufacturer warranty.

If you live in the Hampton Roads region and your home needs a new roof, contact Andrews Roofing. We’d love to be one of the companies to provide you with an estimate. Our work is always guaranteed, we use some of the best products on the market, and we’ve been providing excellent customer service to Tidewater residents for years.

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Should I Worry About Frost on My Roof?

Have you ever walked outside on a cold morning and noticed the frost that covers the ground? You might have to scrape your car before you can drive, and your grass may look like a sparkling wonderland. Direct your view upward to have a look at the roof. Is there frost on it? Do you know whether frost is good or bad for your residential roof? How do you know when to worry?

Is Frost Good or Bad?

The frost itself that collects on your roof isn’t necessarily good or bad. Roofing materials are made to withstand the weather, and roofers who work in cold environments know which materials will hold up best. As long as your roof is in good repair, you shouldn’t have to worry about water damage.

The fact that there’s frost on your residential roof could actually be a good thing. If you look around and notice all your neighboring houses have frost, but yours does not, it could be an indication that your attic insulation isn’t quite up to par. The frost may be spotty, which also means the insulation isn’t properly in place. Without proper insulation, the heat that should be warming your home is leaking out through the attic and the roof, which is melting the frost.

Should I Worry About a Lack of Frost?

If there’s a lack of frost on your roof, there could be cause for alarm. You should only worry if your neighboring houses have the same amount of sun exposure as yours. For example, your neighbor’s house might be blocked from the sun by tall trees or a taller building, while your home is in direct sunlight. As soon as the sun hits, your frost could melt away, but will remain on your neighbors due to the shade. If that’s the case, you would not need to worry.

Contacting a Roofer

If your house is not in direct sunlight, and everyone else has frost, you should contact a roofer to see if there’s a problem with your roofing and insulation. Contact Andrews Roofing by calling 757-296-0553 or emailing us today for more information.

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4 Reasons to Be Thankful You Have a Roof Over Your Head

You’ve probably heard people express how they’re thankful to have a roof over their heads, and perhaps you’ve just considered it a figure of speech. In reality, there are a lot of reasons you should be thankful for that roof over your head. It doesn’t just signify the fact you live in a home. The following are four additional reasons to be thankful for your roof.

  1. Home Value

Did you know the appearance of a new roof makes the entire home look newer? Those fresh shingles and the comfort of knowing a new home buyer won’t have to replace the roof any time soon can make the value of your home rise. Whether you’re looking to sell or just want to increase the value of your home, a new roof can help you out.

  1. Protection Against Weather

When your roof is properly repaired and maintained, it serves as protection against the weather. It keeps the cold air out during winter and blocks the heat from penetrating during summer. It acts as a barrier between your furnishings and the rain and stops the sun from fading everything inside.

  1. Energy Efficiency

Depending on the type of roof you have installed, maintenance costs can be cut, and energy costs can be reduced. A properly insulated roof will help ensure the perfect temperatures inside your home don’t literally go through the roof, causing your HVAC system to work overtime. Instead, the roof can help your home stay at a comfortable temperature with minimal effort by the HVAC system.

  1. Prevention of Mold and Mildew

Roofs need to be properly ventilated so moisture cannot thrive inside your home. Condensation that builds up will typically turn into mold and mildew, which are both common causes of a variety of health issues. Your roof ventilation system can help to avoid such issues.

Contact the Professionals

There are a lot of reasons to be thankful this year, and having a roof over your head gives you many reasons to express that thankfulness. Whether you need a roof installed or repaired, contact Andrews Roofing by calling 757-296-0553 or emailing us today!

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Top Reasons Roofs Fail

When you install a new roof, the last thing that you want to happen is for the roof to fail. Unfortunately, when a contractor does a poor-quality job, this is exactly what happens. Here are some of the most common reasons for roof failure.

Poor Ventilation

Good ventilation keeps a roof in good health. You should have a ventilation system that pushes heat and moisture out during the summer. This will minimize expansion due to temperature changes. Also, it will keep your attic cool throughout the year.

Poor Installation

When it comes to home renovation, it is important that the projects are finished right. Even with the best materials, if the roof is not installed properly, it is not going to function correctly. You need to ensure that your roof is installed right the first time, by a contractor who knows what they’re doing.

Poor Quality Materials

When it comes to choosing materials, you want to take more than cost into consideration. Even if the low-cost products look appealing, you need to keep in mind that the lower costs can also mean lower quality materials. When you have high quality materials, your roof is more likely to last.

Poorly Chosen Flashing

You need to protect the protrusions where exhaust pipes, chimneys, and dormers connect to the roof. These areas are prone to leaks and other problems. Metal flashings are the best way to seal this area. You do not want to use caulk or any other type of sealant. These products degrade over time.

Roofs can fail for a number of different reasons. If you want to make sure that your roof doesn’t fail, then you’ll have to invest in regular maintenance and inspections. The higher quality the job, the more likely you are to have a roof that lasts. For a roof that will last, call a company you can trust. Contact Andrews Roofing by calling 757-296-0553 or sending us an email today!

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The Basics of a Residential Roof Replacement Project

Letting professionals handle your roof replacement project means putting the protection of your home into someone else’s hands. Understanding what a roof replacement entails, may help put your mind at ease. The following are some basics.

The Materials Used

You no doubt want the highest quality materials used for your home, but you may not know what those are. Speaking with your residential roofer about the options available can help you make that decision. Some materials commonly used for home roofs include asphalt composition shingles, metal roofing, wood shakes, and slate roofing. These materials come in different colors as well, so you can match a variety of exterior home features to your roof.

The Professionals Doing the Job

One thing you don’t want to do is trust the job to someone who doesn’t know what they’re doing. Contacting a professional residential roofer will ensure the job will be done correctly and last a long time. You want a company that does what they say they’ll do, as well as exceeding your expectations. Look for a roofing company with a great reputation that hires roofing professionals and ensures they are properly trained. With all these components pulled together, your roof will get done correctly.

The Cost of the Project

The cost of your residential roof replacement project will depend on the size of the job, the materials used, and the pitch of the roof. Speak with your roofer about the specifics of the job to truly understand what you’ll be expected to pay by the end. If the cost doesn’t work with your budget, you can work out a different arrangement beforehand to ensure you receive a nice roof within your price range.

Getting Started

Understanding a few basics of residential roof replacement can get you ready to face the project head on. Contact Andrews Roofing at 757-296-0553 to get your roof replacement scheduled.

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5 Factors That Affect the Lifespan of Your Commercial Roof

While the life expectancy of a commercial roof is anywhere from 10 to 40 years, there are several factors that can affect how long it lasts. Pay attention to these five factors to extend your roof’s lifespan and save money by avoiding unnecessary repairs or having to replace your roof prematurely.

Installation

When having your roof installed, make sure to choose a reputable company that is licensed and experienced in installing commercial roofs. An improperly installed roof can cause a large variety of problems including sagging and leaking.

Roofing System

The quality and types of materials used to build your roof will have a direct effect on how long it will last. While TPO or EPDM roof systems have a life expectancy of 22 to 35 years, an asphalt or metal roof can last up to 45.

Weather

While you certainly can’t control the weather, extreme weather conditions like rain, wind, and snow can take a toll on your roof. Even extremely sunny weather all year long can be problematic. Take the proper precautions to prepare for storms and inspect your roof whenever harsh weather hits.

Maintenance

All roofs are subject to wear and tear and will need to be properly maintained to last as long as possible. Perform routine inspections on your roof and quickly address any leaks you find. Replace damaged or missing shingles immediately and clean off any debris or algae growth.

Proper Ventilation

Excessive heat can cause damage your roof and quickly cut years off its life. Ensure that your roof and building is properly ventilated and insulated to help keep your roof cool. Not to mention, a well-insulated building will keep the interior nice and comfortable and help lower utility bills.

Inspecting your roof to make sure it is in the best condition is worth the time and money you will save down the road. Choose Andrews Roofing to install your roof and make any repairs you might need. Call us today at 757-296-0553!

 

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