

Tremco ExoAir LEF
$9.75
Low-Expanding Polyurethane Foam.
A versatile, one-component, gun-grade polyurethane foam designed for window and door and retro-fit installations. Fills, insulates and seals around windows, door frame joints, base plates, joints, penetrations, cracks and much more. ExoAir® LEF is CFC-free and can be applied over a wide temperature range.
- Description
Description
ExoAir LEF is a single-component, CFC-free, all-season, high performance, gun-grade polyurethane foam that performs as a thermal barrier. ExoAir LEF is part of the Tremco T3 building envelope transition toolbox.









