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Cassandra Mainardi

About Cassandra Mainardi

My name is Cassandra Mainardi and I am the oldest daughter of DMB's owner, Duane Mainardi! In June of 2013 I decided that I wanted to take on the challenge of learning how to build a website and build my Dad a website better than he could have ever imagined. It took well over 6 months for me to do it, but after countless hours of hard work, A LOT of coffee, some determination & motivation, I DID IT! :)
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What’s Hiding Behind Your Siding?

By |2025-06-07T02:25:50+00:00Monday, June 9, 2025|DMB Roofing, Siding|

Your siding might look fine on the outside—but what’s behind it could be telling a different story. As one of South Jersey’s trusted siding contractors, Duane Mainardi Builders LLC often uncovers hidden issues during siding replacements. Here’s what you should know. Hidden Issues We Commonly Find Water Damage and Rot: Moisture that sneaks behind old or cracked siding can lead to wood rot, mold, and mildew. Poor or Missing Insulation: Older homes often lack proper insulation, which affects comfort and energy bills. Insect or Rodent Infestations: Small entry points behind warped siding can become gateways for termites, ants, and other [...]

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Spring Roofing Maintenance Tips for South Jersey Homeowners

By |2025-06-02T18:29:50+00:00Monday, June 2, 2025|DMB Roofing, Roof Maintenance|

Protect your home with seasonal roof care from Duane Mainardi Builders LLC – your trusted roofing contractor in Marlton, NJ As spring arrives in South Jersey, now is the perfect time to focus on your roof’s health. The winter months can leave behind hidden damage that, if ignored, could turn into costly repairs. At Duane Mainardi Builders LLC, we specialize in complete roofing services in South Jersey to help you get ahead of any issues before the rainy season begins. Here are 5 expert spring roofing maintenance tips every homeowner should know: 1. Schedule a Professional Roof Inspection in [...]

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Why Roofing Between Townhouses Requires Extra Attention: What You Need to Know About Fire-Rated Plywood

By |2025-05-01T00:21:47+00:00Monday, May 12, 2025|Roofing|

At Duane Mainardi Builders Roofing Company, we know that roofing isn’t just about shingles — it’s about what’s underneath too. Especially in townhouse communities around Marlton, NJ, special care is needed when roofing neighboring homes. One hidden challenge? Compromised fire-rated plywood between units. Today, we’re breaking down why this matters — and how it can impact your home’s safety and durability. The Problem with Rotten or Compromised Plywood When replacing a roof on a townhouse, we often uncover hidden problems. It’s not unusual to tear off one roof and discover that the adjoining neighbor’s plywood is rotten or badly compromised. [...]

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How the Wrong Gutter Guard Could Cost You Thousands

By |2025-05-01T00:22:16+00:00Monday, May 5, 2025|Residential Roofing|

When it comes to protecting your home, choosing the right roofing materials — including gutter protection — is critical. Many homeowners don’t realize that installing the wrong type of gutter guard can actually void your shingle wind perimeter warranty and cause expensive roof damage. Here’s what you need to know to avoid costly mistakes and protect your investment. How Gutter Guards Impact Your Roof Warranty Not all gutter guards are designed with your roof’s integrity in mind. Some types of metal gutter guards are installed by sliding under the first course of shingles. This interferes with a crucial part of [...]

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Plywood vs. OSB: Why South Jersey Homeowners Should Care About What’s Under Their Roof

By |2025-04-29T19:28:27+00:00Tuesday, April 29, 2025|Roofing|

At Duane Mainardi Builders, your roof is more than just shingles — it’s a full system built to last. As a trusted South Jersey roofing contractor, we make it our mission to use only the best materials to protect your home, starting with what’s underneath: the roof decking. Plywood vs. OSB: What’s the Difference? In roofing, the debate between plywood and OSB (Oriented Strand Board) is common. OSB is cheaper and widely used, but it’s far more susceptible to moisture damage and sagging over time. Plywood, especially 4- or 5-ply structural panels, provides superior durability, [...]

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How to Find the Best Siding Contractor

By |2022-04-07T18:00:21+00:00Thursday, April 7, 2022|Siding|

When it’s time to replace the siding on your house, you want to make sure the job is done right. Your house is your biggest asset after all! If you aren’t familiar with siding, however, it can be difficult to know what to look for – both in siding options and in the contractor who installs it! When it comes to finding a siding contractor – South Jersey, you want to make sure you’re getting the best of the best. That’s why Duane Mainardi Builders is here to show you exactly what to look for when you’re choosing a siding [...]

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Signs It’s Time to Replace Your Roof

By |2022-03-31T13:36:02+00:00Thursday, March 31, 2022|Roof Replacement & Repair|

A good roof will last a long time when exposed to weather, but harsh conditions can also cause wear and tear on your shingles. Rain, sleet, hail, snow, and even longterm sun exposure are all turbulent weather patterns that can begin to damage your roof. That’s why it’s recommended that you have your roof inspected twice a year! If you’re looking for roofers in South Jersey who can perform roof inspections, then look no further than Duane Mainardi Builders. At DMB, our roofing experts know just what signs to look for to make sure your roof isn’t vulnerable.  7 Signs [...]

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5 Things to Know Before Your New Roof Installation

By |2022-03-25T17:28:53+00:00Friday, March 25, 2022|DMB Roofing, Tips for Homeowners|

Whether you’ve already set a date for a new roof installation or you’re thinking about investing in a new roof in the future, it’s good to be prepared! Roof installation is no small thing; your home is your most important asset. You want to make sure you know everything you need to know before the installation process begins. That’s why Duane Mainardi Builders, an experienced roofing company – South Jersey, is transparent about our roof installation process. You should be educated and informed when it comes to your home. Top 5 Things You Should Know About Your Roof Installation We [...]

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What to Expect During Roof Replacement

By |2022-03-15T14:20:40+00:00Tuesday, March 15, 2022|Uncategorized|

When it comes to your life, your home is your biggest financial and personal asset. You want to make sure it’s protected, which is why it’s of the utmost importance that your roof is in great shape. If you’ve noticed any signs that your roof is at risk, then it’s time for a replacement! Replacing your roof may seem like a big ordeal, but your home is an investment you can’t afford to take lightly. If you’re seeking roof replacement - South Jersey with an experienced company, then look no further than Duane Mainardi Builders! At DMB, we’re roofing experts [...]

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Preparing for your Roof Installation

By |2020-01-16T21:18:59+00:00Thursday, January 16, 2020|DMB Roofing, DMB's Roof Replacements, Residential Roofing|

Getting a new roof is an exciting experience! Before we arrive, we want to ensure that you are prepared so that we can provide you with a seamless experience. Below are a few things you can do before our arrival to ensure that you are ready for DMB to begin the roof replacement process:   1) Remove Anything of Value or Fragile from the Walls  The vibrations from hammers and machinery on your roof may travel through some walls of your home, especially if any plywood is rotten and needs to be replaced. Please consider any knick-knacks, pictures, or other [...]

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Some of the areas we cover include Marlton, Cherry Hill, Moorestown, Voorhees, Medford, Mt. Laurel, Haddonfield, and beyond.
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