Leaks & Service Repairs

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Reroof Estimates & Inspections

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Category: Roof Installation

TPO or PVC: Which Low-Slope Membrane Is Right for Your Industrial Roof?

For property owners of warehouses, manufacturing facilities, or other industrial structures, the roof of your building isn’t just literal overhead, it’s one of the most critical components of the entire building.

Its success or failure can massively impact operations and profitability. And for the flat or low-slope roofs that dominate industrial construction, the material you choose matters enormously. Two of the most popular options – TPO (Thermoplastic Polyolefin) and PVC (Polyvinyl Chloride) – are all single-ply membrane systems, which is exactly why they’re so commonly confused. While they may look similar on the surface, they perform differently depending on your building’s environment, purpose and your priorities as a property owner. If you’re having a roof installed or replaced on an industrial structure, here’s what you need to know about these different membrane materials.

TPO (Thermoplastic Polyolefin)

TPO is one of the most widely installed low-slope membrane systems in the country, and for good reason. It’s a single-ply white reflective membrane that’s heat-welded at the seams, creating a watertight bond.

Benefits: TPO’s biggest selling point for industrial clients is its energy efficiency. The white reflective surface deflects UV rays and reduces cooling costs, which is a real advantage for large industrial buildings with significant roof square footage. It holds up well against punctures, tears, and impact, and the heat-welded seams are highly resistant to leaks over time. It’s also one of the more cost-effective options up front, making it a good value for large-scale projects.

Challenges: TPO is a relatively newer material compared to EPDM, so there’s less performance data, and the quality can vary between manufacturers. The key to using TPO is working with a contractor who sources from reputable brands and is familiar with the product.

Best for: Buildings where energy efficiency is a priority with large roof areas that are exposed to sunlight. Projects where budget and performance need to be balanced. It’s an excellent all-around choice for warehouses and distribution centers in climates like Hampton Roads where summer heat is a real factor.

PVC (Polyvinyl Chloride)

Like TPO, PVC membranes have a white reflective surface and heat-welded seams, but they offer the additional advantage of being chemical resistant. PVC has been used in industrial roofing since the 1960s and continues to be a popular option because of its performance in specific demanding environments.

Benefits: PVC’s resistance to chemicals, grease, animal fats, and industrial oils sets it apart from TPO. The heat-welded seams are as strong as TPO’s and like TPO, the white reflective surface helps manage heat and energy usage. PVC is also highly fire-resistant, which matters a lot in certain industrial settings.

Challenges: PVC carries a higher price point than TPO. Due to its formula, certain chemicals can leach out of the membrane over time, which will often cause it to become brittle if it’s not a high quality product. It can also be more sensitive to certain adhesives and solvents during installation.

Best for: Food processing facilities, restaurants, manufacturing plants that handle oils or chemicals, and any industrial application where roof exposure to chemical runoff or grease-laden exhaust is a real possibility. If your facility vents cooking oils, industrial solvents, or other chemical byproducts anywhere near the roof, PVC should be at the top of your list.

So How Do You Choose?

The honest answer both are good, solid systems when properly installed. The right choice depends on your specific building and how it’s used.

  • Choose TPO when energy efficiency, budget, and general performance are your priorities.
  • Choose PVC when your facility is exposed to chemicals, grease, or industrial byproducts that would compromise other membrane materials.

Andrews Roofing Can Help

At Andrews Roofing, we’ve been installing all three systems across industrial facilities in Hampton Roads for decades, and we’re happy to walk through which material makes the most sense for your facility, budget and priorities. Contact us for an estimate or inspection for a straight answer on what will deliver the best long-term return on your investment.

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How a Home Renovation Can Impact Your Existing Roof

Are you planning a big home renovation this spring to add a screened in porch, a sunroom, second story addition, kitchen expansion or anything else that affects the footprint of your home?

If so, you’ve probably been focused on floor plans and layouts, but it’s time to look up. One very critical component can be overlooked in the early stages of renovation planning: how the new structure will tie into and affect your existing roof system.

We work with plenty of homeowners in Hampton Roads who are surprised to learn that a renovation may require more than just “adding on” a little extra roofing. Here’s what you should know before construction begins so you can plan and budget accordingly.

When New Roofing Has to Tie into an Existing Roofline

Even if the existing shingles look fine from the ground, portions of the original roof may need to be removed to ensure the tie-in is watertight and structurally sound. A roof is a system, not just shingles. Proper flashing, underlayment, decking, and ventilation all have to work together. When a new roof section is integrated, those components must align seamlessly with the original system.

When you add a screened porch, covered patio, garage, or full home addition, the new roof must physically connect to the existing roof system. This connection point is often where issues arise. During construction, contractors may need to open up sections of the existing roof decking, depending on how the new structure ties into your existing structure. A new roof tie-in can involve creating a new valley where the two roof planes meet – a critical juncture point that can make or break the integrity of a roofing system.

At minimum, it will require removing existing shingles to properly install flashing and underlayment or even modifying the roof decking or underlying rafters for structural support. They may also need to modify the home’s framing to support any new load. This is especially true for second-story additions or large bump-outs. New ridge or soffit vents may be necessary, and gutters and downspouts are likely to be rerouted. Finally, the ventilation in your attic may need to be adjusted to accommodate an expanded footprint.

Will You Have to Replace the Entire Roof?

The answer really depends on several factors to determine whether a partial replacement is sufficient or whether a full roof replacement makes more sense.

  1. Age of the Existing Roof. If your roof is nearing the end of its lifespan (for example, a 20-year-old architectural shingle roof), it may not be cost-effective to tie new roofing into aging materials. You could end up replacing the entire roof a few years later anyway.
  2. Condition of Existing Materials. If there’s curling or brittle shingles, granule loss, prior storm damage, or soft decking, a full replacement may be necessary. Unfortunately, some of those issues may not be apparent until construction begins.
  3. Matching Materials. Shingle colors and product lines change over time. If your current shingles are discontinued, the new section may not match perfectly. For homeowners concerned about curb appeal this can be a deciding factor.

In many cases, homeowners choose to replace the entire roof during a major renovation simply for aesthetic continuity, long-term value and getting all of the construction out of the way at once.

What to Expect

Every type of renovation project is different, but there are some similarities across certain types of projects.

Screened Porch or Covered Patio

These projects often involve cutting into the existing roof line to create a new connection and new slope. Expect partial shingle removal and new flashing installation.

Garage Addition

This may create new valleys and require significant integration into the main roof structure. Expect removal of some existing roofing materials, possible structural changes to rafters and roof decking.

Second-Story Addition

Adding a new story to a home typically requires removing large portions (or all) of the existing roof structure. The new structure will require a new roof system, and whether or not that ties into your existing roofline will depend on the design.

Bump-Out or Kitchen Expansion

Bump outs can involve complex transitions and slope changes that demand careful waterproofing and sound structural design and construction. Expect that significant changes will need to be made to the existing roofline and plan for the possibility of needing to replace all exterior roofing materials in order to have a seamless transition to the new structure.

Timing Matters in Hampton Roads

Because of the unpredictable weather patterns we see across Southeast Virginia, scheduling roofing work strategically during renovations is important. Temporary exposure during tie-ins can create vulnerability if unexpected rain or storms roll in. Coordination between your general contractor and roofing contractor ensures that materials are delivered and staged properly, that open roof sections are protected, and that the installation sequence minimizes risk to your home. Bringing in a licensed roofing contractor during the planning phase before framing begins can prevent costly change orders and water intrusion issues later.

The Bottom Line

A home renovation doesn’t just expand your interior living space, it changes much about your home’s exterior, including the roofing system. Sometimes a tie-in is simple. Other times, it’s an opportunity to upgrade aging materials, improve ventilation, or invest in a full replacement that enhances both curb appeal and protection.

If you’re planning a screened-in porch, home addition, or structural renovation in the Tidewater Region, involving a local, qualified roofing professional early in the process can help you make informed decisions and avoid surprises. At Andrews Roofing, we’re happy to evaluate your existing roof, collaborate with your contractor, and help you determine the smartest path forward for your home. Contact us today.

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Why Choose Architectural Shingles

If you’re considering replacing your roof, you may have discovered how overwhelming it can be to choose exactly the right material for your home. Metal, slate, cedar, and traditional three-tab shingles all have their pros and cons, but in our region of Southeast Virginia, architectural shingles continue to be the most popular option on the market.

At Andrews Roofing, we install a wide range of materials, but architectural shingles often offer the best mix of durability, curb appeal, and budget-right value. Let’s dive into what makes them so popular and whether or not they’re the right choice for your home.

What Are Architectural Shingles?

Architectural shingles (also called dimensional shingles) are a higher-end version of basic asphalt shingles. Instead of a single flat layer, they’re built from multiple laminated layers of asphalt and fiberglass. This creates a thicker, dimensional look similar to wood shake or slate, improved durability and wind resistance, and richer colors and shadow lines for a more polished, upgraded look. They’re designed to outperform three-tab shingles while staying more affordable than materials like metal or slate.

Why Homeowners Love Asphalt Shingles

Enhanced Curb Appeal and Home Value
A new roof can transform your home’s exterior. Architectural shingles add depth and dimension instead of lying flat, which helps the roof complement brick, siding, and trim more cohesively. If you’re sprucing up your home to put on the market, buyers will appreciate a newer, upgraded roof. Architectural shingles can help your home stand out in listing photos and alleviate buyer concerns about possible future maintenance or replacement costs.

Better Performance in Coastal Virginia Weather
Southeast Virginia can see high winds, heavy rains, tropical systems, nor’easters, snow and just about anything else! Architectural shingles typically have higher wind ratings than standard three-tab products. Overall, they provide excellent weather resistance when paired with proper underlayment, ventilation, and flashing—key factors Andrews Roofing emphasizes on every project.

Longer Lifespan
Many architectural shingle lines are rated for 30 years or more in ideal conditions. Real-world results vary based on installation, ventilation, and maintenance, but homeowners can expect a longer lifespan compared to entry-level asphalt roofs.

More Style and Color Variety
Manufacturers offer architectural shingles in a wide range of colors—from subtle grays to bolder earthy tone blends that can mimic the appearance of cedar shake or slate without the maintenance or cost.

Where Architectural Shingles Fit in Your Budget

On the roofing cost spectrum, architectural shingles fall into a comfortable middle range when compared to other common materials:

  1. Three-tab shingles – Lowest cost but limited lifespan
  2. Architectural shingles – Moderate cost with significantly better performance
  3. Designer asphalt shingles – Higher cost, specialized aesthetics
  4. Metal roofing – Higher upfront investment, excellent longevity
  5. Slate, tile, or cedar – Premium materials requiring specialized installation

For many homeowners, architectural shingles offer the best return on investment: upgraded aesthetics and performance without the jump into premium pricing.

Are Architectural Shingles Right for Your Home?

If you’re replacing your roof, architectural shingles might be the right choice for you if you want a meaningful upgrade from basic asphalt shingles and want to enhance your home’s curb appeal. If you are planning to sell your home in the next 5-10 years, asphalt shingles are a common sense investment that you can expect to last beyond the time you’ll spend in your home – giving you and future buyers peace of mind as well. Architectural shingles also pair well with many architectural styles common in Hampton Roads such as Colonials, Georgian-style brick homes, beach bungalows, ranch ramblers and Cape Cod cottages.

Talk to Andrews Roofing for a Personalized Recommendation

Every home is different. Our experienced team can evaluate your existing roof, discuss style and performance preferences, review shingle options, and provide a clear, detailed estimate. If you’re considering a roof replacement, architectural shingles may be the perfect balance of beauty, performance, and cost, but even if they’re not – we still have you covered with a wide variety of roofing options. Contact Andrews Roofing today to get started.

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Andrews Roofing off to an Early Start – Dunkin Donuts

Dunkin Donuts Store in Aylett, VA
Location: Tappahannock, VA

Project Description:

Every morning, our crews load up materials in preparation for the work day ahead.  We get an early start in the summer when days get hot quickly. On this particular morning, our team was heading up to the jobsite for a new Dunkin Donuts location in Aylett, in King William County, VA.  Our scope of work involved installation of an R=30 polyiso roof insulation and Durolast white 40 mil roof system.

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Roof Replacement ROI: The Hidden Financial Perks of a New Roof

Replacing your roof is a major home improvement project, and for many homeowners, the upfront cost can feel daunting.

But what many people don’t realize is that a new roof is also a smart financial investment that can pay off in a number of ways—both immediately and long-term. From lowering your monthly bills to increasing your home’s resale value, here are some of the top financial benefits of investing in a total roof replacement.

  1. Lower Energy Costs

Older roofs often have worn-out shingles, deteriorating underlayment, or poor ventilation. All of these factors allow air to escape (or stay trapped), making your HVAC system work harder to heat or cool your home. A new roof with modern materials and proper insulation and ventilation can improve energy efficiency, leading to lower monthly utility bills. Over time, these savings add up significantly. Some roofing products are even ENERGY STAR® rated or “cool roof” certified, which may qualify you for additional rebates or tax credits.

  1. Potentially Lower Insurance Premiums

Insurance companies know that older roofs are more likely to fail during storms, leading to costly claims. Many insurance companies offer better rates for homeowners who invest in a new roof because it reduces the risk of leaks, water damage, and structural issues. In Southeast Virginia, where hurricanes and nor’easters are a constant reality, this can be an especially valuable benefit. A stronger, more resilient roof could keep you from paying hefty deductibles after storm damage and seeing your insurance rate skyrocket.

  1. Increased Resale Value

If you plan on selling your home in the next 5–10 years, a new roof is one of the top upgrades that attracts buyers. A roof replacement not only boosts curb appeal but also provides peace of mind for potential buyers, knowing they won’t need to take on a major repair immediately after purchase. Most real estate agents will tell you that homes with newer roofs sell faster and often for more money. Plus, some roofing warranties are transferable, a great selling point that will appeal to any buyer.

  1. More Home Equity and Better Financing Options

For homeowners considering refinancing or taking out a home equity loan, the appraised value of your home matters. A new roof can raise that appraisal, giving you more equity to borrow against for other improvements, debt consolidation, or major expenses. Some lenders also look at roof age when assessing loan risk, so replacing your roof may even help secure better interest rates.

  1. Avoiding Costly Repairs Elsewhere in the Home

Older roofs are more prone to leaks, missing shingles, and other recurring issues. While patchwork repairs might seem cheaper in the moment, they add up quickly and don’t fix the root of the problem when a roof has reached the end of its lifespan. Older, decaying roof materials can also allow water intrusion, causing damage to insulation, drywall, flooring, and even your home’s foundation. By replacing your roof, you’re protecting the rest of your home from cascading repair costs.

  1. Long-Term Protection and Peace of Mind

Financial security isn’t just about immediate savings—it’s also about avoiding unexpected expenses. With a new roof under warranty, you won’t have to worry about sudden leaks or emergency repairs draining your savings. That peace of mind has real financial value, since it lets you plan your household budget without the fear of surprise expenses.

Make a Smart Investment with a Local Team

Replacing your roof is a financial decision that can benefit you now and well into the future. But we know that it’s also a major investment, so if you’re ready to make the financially wise choice for your home, contact Andrews Roofing today. Our team has decades of experience helping homeowners in Hampton Roads, Tidewater, and Southeast Virginia protect their investment with expert roof replacements that last.

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Roofing Technology

The roofing industry has come a long way in recent years. New materials and installation techniques are making roofs more durable, energy-efficient, and even better looking—all things we know homeowners in Hampton Roads can appreciate. Whether you’re in the market for a full roof replacement, a minor repair, or just starting to research your options, it’s helpful to know what’s new and why it matters for your home or business.

Here are five roofing innovations that are changing the game:

  1. Synthetic Roofing Shingles

What it is: Synthetic shingles mimic the look of wood shake, slate, or even traditional asphalt shingles, but they’re made from advanced polymers or rubber-based materials.

Where it’s used: Mostly residential roofing projects where homeowners want a high-end look without the high-end cost or maintenance.

Why it matters: These shingles are lightweight, impact-resistant, long-lasting, and often come with excellent warranties. They’re ideal for coastal homes where weather durability is key—like those along the Atlantic Ocean in Virginia Beach or Chesapeake Bay in Norfolk.

  1. Impact-Resistant Shingles

What it is: These are reinforced shingles designed to withstand hail, flying debris, and other forms of impact that can damage traditional roofing.

Where it’s used: Residential roofs in areas prone to strong storms and hurricanes such as our own Tidewater region.

Why it matters: Impact-resistant shingles can help prevent costly roofing repairs after major weather events and may even qualify you for insurance discounts. They also add peace of mind for homeowners concerned about unpredictable coastal storms.

  1. Advanced Moisture Barriers and Underlayments

What it is: Modern roofing systems now include high-performance synthetic underlayments and moisture barriers that offer far better protection than traditional felt paper. These materials are tear-resistant, breathable, and designed to prevent water infiltration beneath shingles or other roofing surfaces.

Where it’s used: Nearly all new roof installations—both residential and commercial—as an essential layer beneath the primary roofing material.

Why it matters: In a climate like ours, where humidity, heavy rain and wind, and tropical storms are common, moisture control is crucial. These upgraded materials offer an extra line of defense against leaks and water damage, keeping your roof (and everything beneath it) safe and dry.

Roofing Innovation, Local Expertise

At Andrews Roofing, we stay up to date on the latest roofing technologies to provide our customers with the best options and service. Our team of experienced professionals knows what works best in our local climate—from the salt air of Virginia Beach to the heavily wooded neighborhoods of Chesapeake to the tornado-prone areas of Suffolk. Whether you’re considering installing a new roofing system, just need a repair or want to know more about energy-efficient material options, we’re here to provide reliable advice and service. Reach out to our team today to set up a consultation.

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