Lexar E Plus delivers everyday performance and exceptional value. Designed with durable dual film facers that are compatible with PVC roofing membranes, it is ideal for use in roof re-cover applications. Available in flat sheets or as a convenient 2-square (200 sq. ft.) fan fold bundle, ThermalStar® E+is a cost-effective solution for roof re-cover projects. Lexar E Plus delivers everyday performance and exceptional value. Lexar E Plus features a laminated film facer and functions as an air and water-resistive barrier (WRB). Lexar E Plus meets ASTM C578 and is manufactured under an industry-leading quality control program monitored by UL and ICC-ES. Lexar E Plus has a stable lifetime R-value, a range of available strengths, and outstanding moisture resistance. Manufactured with a low Global Warming Potential (GWP) and Zero Ozone Depletions Potential (ODP), Lexar E Plus has earned GreenGuard certification.
Primary uses include roof and wall applications where thermal performance and moisture resistance are critical.
Product Highlights
- Recycled content up to 15%*
*Recovered, processed and reintegrated manufacturing scrap - Long-term stable R-value
- Compressive strength: 10, 13, 15, and 25
- 100% Recyclable
- Fan Fold: 3/8″ or 1/2″ 4’X50′ when expanded, covering 2 squares (200 square feet)
- Flat 4’x8′ sheets, standard sizes up to 4″ thick
Code Compliance
Lexar E Plus is recognized for compliance with the following standards and code:
- ASTM C578
- ASTM E84/UL723
- NFPA 285 Assemblies
- IBC – International Building Code
- IRC – International Residential Code
- IECC – International Energy Code
See UL Listings, UL ER16529-01, and ICC-ES ESR-1962
Warranty

Lexar E Plus is backed by a limited lifetime warranty for physical and thermal performance, in addition to termite resistance when applicable. See separate Lexar warranty for terms and conditions.

