Lexar Edelivers everyday performance and exceptional value. Ideal for roof applications, it offers stable long-term R-value, reliable compressive strength, and excellent moisture resistance. Manufactured with up to 15% internal recycled content. Lexar E delivers everyday performance and exceptional value. Lexar E meets ASTM C578 and is manufactured under an industry-leading quality control program monitored by UL and ICC-ES. Lexar E 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 has earned GreenGuard certification.
Primary uses include roof, wall, and below-grade applications where thermal performance and moisture resistance are critical.
Product Highlights
- Recycled content up to 15%*
*Recovered, processed and reintegrated manufacturing scrap - Compressive strength: 10, 13, 15, and 25
- Flat 4’x8′ sheets, standard sizes up to 4″ thick, custom sizes up to 24″ thick
- Long-term stable R-value
- Tapered 4’x4′ and 4’x8′ panels,
1/2″ – 24″ thick - 100% Recyclable
Code Compliance
Lexar E 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 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.

