Today’s advancements in technology mean that roofing underlayment can do a lot more than the traditional asphalt roofing felt that roofers used to rely on. Nowadays, you can inspect increased durability, moisture resistance, and even features that help make the job easier and safer.
So what advanced features should you look for in synthetic roofing underlayments? Read below, and we’ll show you.
1. High Tear Strength
If you’ve ever worked with asphalt roofing felt, then you know how easily it can tear when you’re rolling it out, fastening it, or even just walking across it. Tears can lead to a lot of wasted material, and ultimately, underlayments with lower tear strength can leave rooftops less protected during high winds and storms.
Choosing an underlayment with high tear strength is key—and that’s why Epilay’s products are all designed with this in mind. ProtecTite Superior is a great example of this. It offers 7 mil thickness with multiple layers all made to ensure that this underlayment remains durable during installation and beyond.
2. UV Resistance
Another problem with asphalt underlayment is that it cannot be left exposed to the elements for long at all. This is in part because UV rays quickly cause the material to degrade—and on some jobs, this can be seriously problematic. For example, if you need to cover a roof while waiting for shingles or sheet metal to be delivered, or when rooftops need protection after sustaining storm damage, an underlayment with high UV resistance will go the distance.
This is another great reason to choose synthetic underlayment for your roofing projects. Most have high UV resistance—like Epilay’s ProtecTite products, which all offer UV protection for up to one year.
3. Safer Non-Slip Working Surfaces
Roofing is a dangerous job—and the right underlayment can help you make it safer. One of the best features of Epilay underlayments is our GripWalk® technology. This is a textured upper layer that provides improved traction to help you prevent slips and falls on steep slopes or wet surfaces.
4. Anti-Skid Technology
Not to be confused with GripWalk®, Epilay underlayments also feature SkidResist® technology. Where GripWalk® is a textured top layer that helps prevent you from slipping, SkidResist® is a high-traction bottom layer that helps keep the underlayment from sliding around. With SkidResist®’s anti-skid technology, you can make the job safer and easier by ensuring stability and preventing shifting during installation.
5. Water Resistance
Underlayment exists as a secondary barrier that helps protect the roof deck and the home below from moisture damage. Storms that lift or remove shingles, snow, ice dams that cause water to pool in certain spots on the roof—these are all things that can cause moisture to seep past the roof’s top layer.
Synthetic underlayments like Epilay’s ProtecTite products all create a highly moisture-resistant barrier that maximizes protection against leaks and storm damage. Peel-and-stick underlayments like EpiStik Plus take this a step further. Since they adhere to the roof deck and seal around fasteners, they can create a truly watertight barrier.
Learn More About Epilay’s Advanced Synthetic Underlayments
Epilay’s underlayments have the features you need not only to create a durable roofing system but also to make the installation itself easier and safer. Be sure to explore our full range of synthetic and peel-and-stick underlayments by visiting our website or by contacting your local distributor.

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