Datasheet
ExoAir® LEF Low-Expanding Polyurethane Foam - Gun-Grade
Product # D029997
Low-Pressure Polyurethane Foam Insulation
ExoAir® LEF Foam is a single-component, CFC-Free, high-performance, gun-grade polyurethane flexible foam that performs as a thermal barrier.
It is part of the Tremco T3 building envelope transition toolbox. LEF is most commonly used as a thermal and sound barrier.
The ExoAir LEF is best suited around window and door frame joints, can also be used as an effective joint filler in hidden applications.
Must be installed in temperatures ranging from 14 to 95°F (-10 to 35°C).
It is part of the Tremco T3 building envelope transition toolbox. LEF is most commonly used as a thermal and sound barrier.
The ExoAir LEF is best suited around window and door frame joints, can also be used as an effective joint filler in hidden applications.
Must be installed in temperatures ranging from 14 to 95°F (-10 to 35°C).
ADVANTAGES AND BENEFITS
Single-component polyurethane foam with a (H)CFC-free propellant.
Low Pressure Build.
High yield versus existing polyurethane foams.
Low water absorption.
Quick tack-free time.
Excellent properties at low ambient temperatures
All season
Low Pressure Build.
High yield versus existing polyurethane foams.
Low water absorption.
Quick tack-free time.
Excellent properties at low ambient temperatures
All season
TECHNICAL SPECIFICATIONS
Product #
D029997
Minimum Application Temperature
-10 to 35°C
Application Method
Gun Grade
Finish
Green
Ideal Use
Aluminum Windows, Wood Windows, Vinyl (PVC) Windows, Curtain-Window Wall Systems
Packaging Specifications
Pressurized Cartridge
Brand
Tremco
Volume
700 ml
Weight
24 oz
Optimal adherence to
Concrete, Brick, Aluminum, Vinyl
Base
Urea Formaldehyde
Product Type
Polyurethane
APPLICATION
The ExoAir LEF is best suited around window and door frame joints but can also be used as an effective joint filler in hidden applications.
LEF is most commonly used as a thermal and sound barrier.
This product must be installed in temperatures ranging from 14 to 95°F (-10 to 35°C).
LEF is most commonly used as a thermal and sound barrier.
This product must be installed in temperatures ranging from 14 to 95°F (-10 to 35°C).
IMPORTANT INFORMATION
Store in a cool, dry area.
Do not expose to open flame or store above 120°F (49°C).
Always store the gun with the foam or the polyurethane foam cleaner attached to the can.
Always store cans in upright position to avoid valve obstruction.
Do not install ExoAir LEF Foam when ambient or surface temperatures are below 14°F (-19°C).
The picture is for reference only.
Do not expose to open flame or store above 120°F (49°C).
Always store the gun with the foam or the polyurethane foam cleaner attached to the can.
Always store cans in upright position to avoid valve obstruction.
Do not install ExoAir LEF Foam when ambient or surface temperatures are below 14°F (-19°C).
The picture is for reference only.
