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roofing underlayment

Comparing Roof Underlayments: Synthetic vs. Self-Adhered

July , 2023 | 8 min. read

By Nicole Corson

2 roofers installing Timberline Ultra High Definition shingles over the blue synthetic underlayment

Step aside, flimsy felt paper! We've got some heavy hitters stepping up to the plate. Introducing Synthetic and Self-Adhered Roof Underlayment, the unsung heroes of your roofing system. While not as glamorous as those top-layer shingles or tiles. They're doing all the hard work backstage, protecting your home from the real villains: water and wind.

At RoofCrafters, we're not just experienced installers. We're roofing nerds at heart, diving headfirst into the fascinating world of roofing underlayments for almost 30 years. And let's face it, folks. - If your roof is the first line of defense against the elements, the underlayment is your secret weapon, your ace in the hole, your...well, you get the point.

shingles on the eave and rake of a home

Today, we're going to take a deep dive into the thrilling world of roof underlayments. Whether you're about to embark on a roof replacement journey or are just a curious homeowner looking to increase your roofing IQ. You've landed in the right spot. 

In this article, we'll compare Synthetic vs. Self Adhered underlayments. We'll unravel their unique strengths, and help you understand which one might be the best fit for your roofing needs. 

So, buckle up, and let's get started, shall we?

Unveiling Synthetic Underlayment

 

Ladies and gentlemen, the time has come to pull back the curtain and introduce our first contender: Synthetic Underlayment. 

Synthetic Underlayment isn't just a pretty face; it's a game-changer. 

roofer installing GAF felt buster synthetic underlayment

This tough customer is made from woven polypropylene or polyethylene, and trust us, these aren't your grandma's plastics. They're a combination of super-strong, high-tech fibers designed to bring their A-game to your roofing system.

Now, you may be thinking, "How is this synthetic underlayment made?" 

Well, let me tell you, it's like a high-tech baking show! The process involves heating and extruding the plastics to form a web. This is then woven and laminated to create a water-resistant and tear-resistant fabric. Talk about kitchen wizardry!

A roofer installing CertainTeed LandMark Pro Shingles in Sunrise Cedar

Alright, we've got the recipe down; let's talk benefits. This synthetic stunner is a champ when it comes to durability. It laughs in the face of wear and tear and scoffs at the thought of fungal growth. But that's not all! It has an uncanny ability to resist water absorption and can take a UV-beating for months without losing its cool. Imagine leaving a loaf of bread on your counter for six months - you'd have a science experiment on your hands. But synthetic underlayment? It still looks and performs just as great as day one.

So there you have it, folks: synthetic underlayment in all its glory. A strong, reliable, and durable option. 

But hold onto your hard hats; we've got another contender to discuss!

Discovering Self-Adhered Underlayment

 

Roll up the red carpet, folks, because here comes our second contender in the underlayment smackdown. Self-Adhered Underlayment, otherwise known by its stage names "Peel and Stick" or "Ice and Water.

This particular underlayment is a bit like your favorite celebrity who also happens to be a secret genius. Stylish, functional, and oh-so-impressive.

GAF storm guard roof leak barrier

So, what's this star made of? Well, it's composed of a unique mix of modified bitumen, a type of asphalt with added modifiers that give it plastic or rubber-like properties. This makes it the Houdini of underlayments. It's flexible and able to withstand all sorts of weather conditions. It's also great at sealing around roof penetrations like nails and screws.

Now, let's talk about what makes this underlayment stand out in the crowd. For starters, it's the convenience king. With its peel-and-stick design, applying this underlayment is as easy as placing a sticker on a notebook. Albeit a much larger, weather-resistant sticker. Plus, it provides superior waterproofing – it's like a rubber duck in a rainstorm, keeping all that unwanted moisture at bay.

ice and water shield underlayment on a new construction home

And did we mention its sealing ability? This underlayment forms a watertight seal around anything that penetrates it. Which will give your roof the kind of protection that would make a knight in shining armor jealous. And when it comes to durability and weather resistance, the Self-Adhered Underlayment holds its own. it'll stand up to wind, rain, snow, and just about anything Mother Nature might throw at it.

So there you have it, the Self-Adhered Underlayment in all its glory. A strong, water-defying option for homeowners who demand a roof underlayment that won't back down from a fight with the elements. 

But wait, we still have one more round to go. Let's talk insurance savings, shall we?

Costs and Long-Term Savings

 

Ready to dive into the world of costs and long-term savings? Hold on to your wallets, folks, because this is where the rubber meets the roof. In this corner, we've got synthetic underlayment, the durable and resistant choice that won't break the bank on your initial roofing setup.

fabian-blank-pElSkGRA2NU-unsplash (1)

Now, synthetic underlayment might not be as low-maintenance as its rival, but it's got an impressive lifespan. It's also resistant to fungus and UV degradation making it a choice that pays off in the long run. This underlayment isn't going to give up on you anytime soon. 

In the other corner, we've got the self-adhered underlayment, our sturdy and sealing champ. Now, this underlayment might make your wallet wince at the initial cost. Do NOT let that scare you off. Why? Let's just say it's got a few tricks up its sleeve. Not only is this a durable choice. It's also going to outlive its synthetic competitor and the best performer in weather resistance.

Home with a magnifying glass and a piggybank on a table depicting discovery and savings

But here's the clincher. This underlayment could get you some pretty impressive discounts on your homeowner's insurance. Discounts range from 25% to 35% for secondary waterproofing. Now that's some serious savings! Imagine what you could do with that extra cash. A new patio set? Upgraded landscaping? The options are as endless as a summer sunset.

Whether you're team Synthetic or team Self-Adhered, both these underlayments have their perks. As always, it's about finding the right fit for you and your home, and hey, isn't that part of the fun?

Making The Right Choice For Your Home

 

Alright, folks, it's decision time! But before we get too hasty, let's consider a few things. Choosing the right underlayment isn't just about flipping a coin and hoping for the best. It's more like a game of chess, where every move counts, and you've got to think a few steps ahead. So let's break down the factors that might sway your underlayment choice.

roofer on a beachfront roof

First up, we've got your local climate. Do you live in an area that sees more sunshine than a summer blockbuster, or is your locale known for rain showers and snowfall? Perhaps you're stuck somewhere in the middle with an equal mix of each. The weather your roof has to contend with is going to play a big part in your underlayment decision.

Next up, is roof design. Are we dealing with a flat top, a steep slope, or a funky design that's as unique as your Aunt Edna's avocado cookie recipe? The design of your roof can influence which underlayment will perform best.

A flat roof being installed by a roofer

Let's not forget about your chosen roofing material. Whether you've chosen shingles, metal, or tile, you'll want to make sure your underlayment can play nicely with its rooftop companion. Not all underlayments are compatible with all roofing materials, so be sure to check before making your choice.

Last but certainly not least, we've got budget considerations. While we'd all love to go for the platinum standard, sometimes our wallets have other ideas. But remember, folks, cheaper isn't always better in the long run. If you can manage it, investing a little more upfront can often save you money down the line.

homeowner counting pennies on a table

Phew, that's quite a bit to consider, right? But don't fret, you're not in this alone. Whether you're struggling with underlayment indecision or just have a few questions. The roof professionals are here to help. 

Don't Skimp on the Skinny: Why High-Quality Underlayment is Worth Every Penny

 

If there's one piece of wisdom to take away from this whole shebang, it's this: high-quality underlayment is a worthy investment. Think of it as the unsung hero of your roofing system, quietly doing its job day in and day out to protect your home. It might not get all the glory, but its impact is undeniable.

Are you covered after the work is done

Sure, it might be tempting to cut corners and save a few bucks on upfront costs, but here's the deal. Scrimping on underlayment is like buying a sports car and skimping on the engine. It just doesn't make sense. You wouldn't protect your home with a flimsy umbrella, would you? Then why settle for less-than-stellar underlayment?

When you invest in quality, you're looking beyond the here and now. You're considering the long-term benefits: fewer leaks, less damage, and less stress down the line. Not to mention, high-quality underlayment will make you eligible for insurance premium discounts. Who knew being a savvy homeowner could pay off so nicely?

So, if you're still teetering on the edge of a decision, or if you've got a couple more questions, let's talk. Our team at RoofCrafters is always here to lend an ear and share our expertise. So, what are you waiting for? Let's find the perfect underlayment for your home, together. Schedule your inspection today and let's get this ball rolling!

image call to action, schedule an inspection

 

Nicole Corson

At RoofCrafters, our mission is to provide job opportunities for others to thrive and grow while making a meaningful impact within our communities.