In contrast to regular roof felt, synthetic underlayment is typically fabricated from man-made polypropylene and polymer, substances that are lightweight, highly water-resistant and very durable. For durability and enhanced water-resistance, some roofers are going with synthetic underlayment. PALISADE™ SYNTHETIC UNDERLAYMENT; PALISADE™ SA-HT SELF ADHERED UNDERLAYMENT; CONTACT; PALISADE™ is powered by STRONGHOLD™ skid resistant technology* and represents the most advanced synthetic roofing underlayment on the marketplace today. Although asphalt felt doesn’t seal around fasteners as effectively as peel-and-stick membranes, it is less likely to leak at nail and staple penetrations than a synthetic underlayment. Find out why roofers love the stuff. US PATENT 7,887,900 CAN PATENT 2,597,138. Synthetic “Felt” Underlayment. To decide which underlayment is the optimum choice for your project, you first have to understand the actual uses of underlayment and what they can and cannot do: Not every home needs the best roof underlayment available on the market and not every budget can afford it. Synthetic underlayment is composed of a polymer, combined with polyethylene or a polypropylene. However, a high-quality roll of felt generally cost between $20.00-$30.00 for material and covers around 400-440 sq. 36-in x 72-ft 216-sq ft Felt Roof Underlayment. For these reasons, NJ roofing contractors increasingly use these synthetic materials instead of traditional felt. It costs more. Of course, it is a bit more technical than that, but this is the basic idea behind how felt works. ft.) Price $ Together, they form a much more durable, and effective barrier between the decking and the shingles/metal, than felt underlayment. For more information on a synthetic underlayment, roof installation, or roof replacement in the Canton area, contact us online or call 770-744-5992 There are four main advantages to installing synthetic roof underlayment rather than felt. Roll Self-Adhered Roofing Underlayment (225 sq. Felt is time-tested and approved as a viable option with most residential roofing systems, but does this necessarily mean that felt is the best option in every case? While underlayment is resistant to water, it is not self-sealing, so water can penetrate at every nail hole. by exteriorexperts123987 | Sep 14, 2018 | Roofing | 0 comments. Long ago, a 15# role actually weighed 15 pounds, but over the years, that has changed. Traditional Felt vs. It is intended as a secondary layer of water-shedding protection underneath the primary roof covering, such as asphalt shingles. Non-Bitumen Synthetic Underlayment. Epilay® Plasfelt™ is 25 times stronger than 15# felt and 5x lighter than 15# felt. The underlayment provides a secondary weather barrier against wind-driven rain and snow. Product Overview. As of publication, you can purchase a 72-foot roll of 30-pound roofing felt for around $15. A common misconception by homeowners is that underlayment is waterproof and that their roof will leak without it. x 75 ft. In the early 2000s, there were a handful of synthetic underlayment products all trying to wrestle a sliver of the market away from asphalt felts. Impregnated with ultra-resilient fiberglass, Atlas WeatherMaster (around $80) … Acceptance Saturated Organic Roofing Felt; ASTM E 108/UL 790 – Class A; Standard Test Methods for Fire Tests of Roof Coverings; CSA 220.1; APPLICATIONS . Save Image. For more information on synthetic underlayment for roofing, contact us today! If you are on a tight budget the best choice for your roof might be 15# felt. Underlayment is a popular option to protect your new house temporarily to keep the roofing, subfloor, etc. Listen to what contractors are saying... "In the rain, we were able to walk on … In reality, there are more factors that you have to take into account. These new types are lighter, stronger, and can hold up to the elements (when exposed) much longer than the regular felt roofing paper.