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Everything You Need to Know About Dec-Tec Roofing Membrane

December , 2023 | 9 min. read

By Anthony Marzbanian

covered backyard deck

Discovering a roof leak can be a nightmare, whether it's a minor drip or a more serious intrusion. The urgency to find a quick, cost-effective solution to prevent future leaks is a common concern. No one enjoys resorting to makeshift fixes, like using stained kitchen containers to catch dripping water.

Our family at RoofCrafters has three decades of experience tackling roof leaks, and we understand the frustration. Often, leaks are a hidden problem, slowly causing damage over time. Locating the source of these leaks can be challenging, and the resulting damage. From mold to potential rotten wood and termites – leaks can be extensive.

If you're seeking a robust solution to prevent future leaks on a low-slope deck or porch roof, you're in the right place. This article introduces Dec-Tec, a leading waterproofing PVC technology that has been specially designed for roof deck protection. We'll explore the benefits of the Dec-Tec roofing membrane and why it might be the ideal choice for your home. Say goodbye to makeshift leak solutions – it's time to delve into the world of Dec-Tec roofing.

Exploring the Features and Benefits of Dec-Tec Roofing Membrane

 

So, what exactly is Dec-Tec? Dec-Tec is a PVC single-ply membrane that's most commonly used for waterproofing balconies, decks, and patio roofs. Homeowners who opt for this waterproofing system for roofing purposes are ensured of a watertight system and high-end aesthetics to boot.

Dec-Tec is a premier choice for homeowners who wish to prolong the lifespan of their roof or for someone looking to transform their existing flat roof into an outdoor living space, such as a lanai.

Dek-tec membrane on a patio deck roof with beautiful flowers in pots

In the past, waterproofing methods haven’t always been the most appealing, but Dec-Tec is different. With a wide range of colors and styles, there’s a beautiful choice and style for everyone and a sure way to add curb appeal all while maintaining an impermeable layer. Style and functionality, folks!

Understanding the Essentials of Dec-Tec Waterproofing System

 

When choosing a waterproofing solution for your roof, you need to consider various aspects of the product. Dec-Tec is a renowned PVC single-ply membrane. It offers a range of features that make it a top choice for homeowners.

Here are some important factors to consider when evaluating Dec-Tec for your low-slope or flat-roofing needs:

  1. Warranties: Understanding the type and duration of warranties offered with Dec-Tec.

  2. Approved Roofing Substrates: Knowing which roofing substrates are compatible with Dec-Tec membranes.

  3. Membrane Color Options: Exploring the different membrane types and color choices available in Dec-Tec.

  4. Waterproofing Capabilities: Assessing the effectiveness of Dec-Tec in providing a watertight roofing solution.

  5. Mold Resistance: Examining Dec-Tec’s resistance to mold, is a crucial factor for long-term roof health.

  6. Durability: Evaluating the strength and longevity of Dec-Tec membranes against various environmental factors.

  7. Maintenance Requirements: Understanding the maintenance needs to keep Dec-Tec roofing in optimal condition.

Considering these aspects will help you make a better-informed decision. It will also help you to determine if Dec-Tec is the ideal waterproofing solution for your roofing project.

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Understanding the Different Types of Warranties Offered with Dec-Tec

 

In the roofing world, when you think about warranties, two things come to mind:

  1. Workmanship warranties
  2. Manufacturer warranties

To break it down, a roof workmanship warranty works like insurance in that it protects your investment from defective and shoddy workmanship. Most roofing systems come with several warranties.

A manufacturer’s warranty typically covers the roofing materials (shingles or metal) and components for 20-50 years. If you purchase a material-only warranty, should the roofing materials deteriorate before the warranty is up, the manufacturer would be required to replace them.

When it comes to Dec-Tec, their warranty covers the membrane only. Dec-Tec membranes come in two levels of thickness, which are 60 mils and 80 mils.

  • 60 mil membranes carry a 10-year material warranty
  • 80 mil membranes carry a 20-year material warranty

Examining Suitable Roofing Substrates for Dec-Tec Application

 

A roofing substrate is the roofing surface that your new roofing system is applied on. Which is usually referred to as the roof deck. However, some roofers will apply a new roofing system directly onto the pre-existing roof depending on several different factors. Essentially, the roofing substrate is responsible for supporting the new additional elements.

tapered insulation over steel deck

As per Dec-Tec’s substrate requirements, the minimum wood decking requirements are 5/8" tongue and groove CDX plywood, or 3/4" APA (American Plywood Association) sub-flooring tongue and grove plywood. A top layer of DensDeck prime insulation can be added. For a concrete deck application, concrete should be non-primed above-grade concrete.

Exploring Dec-Tec's Variety of Membrane Styles and Color Choices

 

Now comes the fun part. Dec-Tec colors and styles!

City skyline from a balcony roof with glass rails and a Dec-Tec roof

 

Dec-Tec offers two different lines which include:

  1. The Classic Line
  2. The Cool Line

The Classic Line offers 9 membrane color choices → Ashdown, Grafton, Brick, Rowan, Bronze, Harland, Solid Grey, Solid Beige, and Granite. All Classic Line membranes are offered in 60 mil. Brick, Bronze, and Granite are offered in either 60 or 80 mil.

The CoolStep Line offers 4 membrane color choices → CoolStep, CoolStep Copper, CoolStep Sandalwood, and CoolStep Slate. All CoolStep membranes are 80 mils.

Assessing the Waterproofing Effectiveness of Dec-Tec Roofing Membranes

 

This application promises to provide top-tier water-sealing technologies for your home, allowing you to keep a little more cash in your piggy bank by mitigating roof leak repairs, but best of all, peace of mind. 

torn up roof from roof leak

The main reason Dec-Tec is so appealing is due to its waterproofing abilities. If you’re a homeowner who has struggled with roof leaks much like the photo above that resulted in expensive repairs,  Dec-Tec is a great choice for you. It’s the best choice for walkable decks or patio roofs. 

Mold and Algae Resistance

 

For those of us living in the Southeast, we know that mold and algae are oftentimes unwelcome guests in our homes and on our roofs. Heat and humidity provide the perfect living conditions for mold, mildew, and other unmentionables, but not with Dec-Tec. Due to its water-wicking abilities, premature roof cracking and deterioration due to humidity won’t be welcome anywhere near your home. 

Schedule an Inspection

 

Evaluating the Long-Term Durability of Dec-Tec Roofing Solutions

Another reason Dec-Tec is so special is because of its high level of durability. Dec-Tec membranes are high traction solutions, which ultimately means that they can withstand unfavorable weather conditions for decades including intense heat, bitter cold, as well as rain, hail, and wind.

seam open, EPDM flat roof failure

Dec-Tec refuses to crack, peel, or wear down no matter how much friction your roof faces throughout the years. 

 

Maintenance

 

Your roof is one of, if not the most, important components of your home. It protects you, your family, and your precious belongings from the elements. Whether you want to or not, you need to perform routine roof maintenance.

debris on a flat and shingle roof

If you don’t, you’ll be dishing out some serious cash on a new roof prematurely. Dec-Tec is no exception, and it’s incredibly important to maintain. Keep all leaves and debris off the roof to keep it performing its best.

Considering Dec-Tec for Your Home: A Smart Roofing Choice

 

Thinking about a waterproofing solution that looks great and extends your roof's life? Dec-Tec might just be what you need. It's more than just a fix for leaks; it brings strength, style, and savings to your roofing. With Dec-Tec, you can say goodbye to troublesome leaks. You can also welcome a strong roof that stands against the elements. Plus, it looks good.

Feeling positive or are you still uncertain about Dec-Tec's product? For more details, why not check out the Dec-Tec website? They've got all the info you'll want.

At RoofCrafters we understand that dealing with roof repairs can feel overwhelming. But don't worry, we're experts in applying Dec-Tec. So if you have a patio or deck roof and are ready to say goodbye to roof leaks for good.  Schedule an inspection and we'll set up a time to come and check out your roof. We're here to make sure your roofing experience is smooth and stress-free.

If you're still feeling a little apprehensive and want to learn more about roof leaks and roof repairs, check out the extensive resources we have listed for you in our learning center. We recommend reading, "The Most Common Causes of Roof Leaks", so you can better understand why your roof may be leaking and how to mitigate any further damages.

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Anthony Marzbanian

My name is Anthony, and I am the lead estimator of RoofCrafters’ Georgia/South Carolina division. The roof is the most important part of a structure, and people count on that to protect themselves and their families. That is one of the many reasons why I love my job and enjoy coming to work every day. The continuous training, honesty, and providing the customer with the Roofcrafters experience is what makes me the best in the business.