How Long Can Synthetic Underlayment be Exposed
For roofers making the choice between asphalt felt versus synthetic underlayments, there are a lot of factors to consider. Asphalt has been the standard for decades, and it remains a popular choice because roofers are familiar with it and because it’s typically...
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Why R&D is So Important to Epilay Synthetic Underlayment Products
Research and development are important at Epilay for a broad variety of reasons. We want to make sure that our underlayments provide the best protection possible for a roof deck, and we also want those products to be durable and long lasting. But there’s one part of...
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Is Underlayment Required Under All Asphalt Shingles?
Underlayment exists to protect the deck so that if moisture does get past the primary roofing material, the underlayment can stop it from damaging the deck.
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What Type of Synthetic Underlayment Should I Use for a Metal Roof?
Synthetic underlayments have been around for a while, but prior to their development, roofing felt was the industry standard. More and more, builders are switching to synthetics, but some still have questions about which products to choose. If you’re thinking about...
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The Best Fire Resistant Roofing Materials
Fire resistance is one of the most important considerations when choosing roofing materials. One of the big reasons for this is that there are a lot of different mishaps that could cause a fire on the roof. Lightning strikes have been known to do it, and so have...
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Is Ice and Water Shield Necessary?
Here’s a question that builders ask a lot: What is ice and water shielding? And more importantly, when is it necessary? Where Epilay’s synthetic underlayment roofing products are concerned, our Plystik Plus, which is a peel-and-stick underlayment, features Ice Dam...
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Do Roofs Need Underlayment?
There’s a reason why building codes, roofers, and roofing associations alike recommend—and even often require—underlayment. But sometimes questions arise. Is underlayment truly necessary? How does it benefit the roof, particularly since underlayment is designed to be...
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Smooth vs. Granular Roofing Underlayment
Roofers often wonder what the differences are between granular and smooth roof underlayments. There are several differences between the two, and a few considerations that you’ll need to account for before choosing smooth vs. granular underlayment. Let’s start with a...
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Does Peel and Stick Synthetic Underlayment Cause Reroofing Problems in the Future?
One question that comes up a lot regarding Epilay’s Plystik Plus is whether or not it will cause problems in the future—usually the next time the roof needs to be replaced. For the most part, peel and stick underlayment shouldn’t cause you any issues, but let’s expand...
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Is Synthetic Underlayment Breathable?
If there is one frequently asked question about Epilay synthetic underlayments, it’s whether or not our underlayments are considered breathable. The short answer is no, Epilay underlayments are not considered breathable! But as it turns out, breathability isn’t a...
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9 Questions Answered about Our Newest Synthetic Underlayment: Plasfelt!
There is a new underlayment joining Epilay’s family of products! This is a new underlayment called Plasfelt, and it’s a versatile product that performs better than traditional felt underlayments If you’re curious about it, here are some of the top questions...
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What Type of Fasteners Should I Use to Hold Down Synthetic Underlayment?
One question a lot of roofing contractors and DIYer's have about synthetic underlayment is the type of fasteners that should be used to hold it down. For Epilay products, the same fasteners will work across all grades—Superior, Ultra and Platinum—which means the...
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