Products / ELS
ELS
ELS is a heavily fibrated, asphalt-based roof cement blended with penetrating oils and plasticizing agents, and the data sheet states it complies with ASTM D4586, Type II, Class I. It is used to repair flashings and built-up roof defects such as blisters, cracks and punctures, and to adhere new asphalt ply and modified bitumen flashings. It is supplied black in 5 gal and 2 gal containers for trowel application; Tremco also lists an ELS Winter Grade on its own product page.
Manufacturer
Material
Product line
ELS
Standards met
ASTM D4586 Type II Class I
Status
active
Spec sheet
Related
Related guides
Sources
- tremcoroofing.com verified 2026-10-15
- tremcoroofing.com verified 2026-10-15