Sika Boom-156 2C - Expanding PU Foam - Sika

Sika Boom-156 2C - Expanding PU Foam - Sika

Sika Boom-156 2C is a self-expanding polyurethane foam , 2 components, fast polymerization, applied by nozzle.
It is specially designed to fix, fill and insulate joints around window frames and door frames.

No additional fasteners are required when installing interior doors , as the cured foam is strong.
It can also be used to fill all kinds of joints , gaps or around penetrations.

Features

• 2 component ready to mix (with easy system activation).
• Very fast polymerization.
• Good dimensional stability after polymerization (no subsequent shrinkage or expansion).
• Good thermal insulation.
• Easy application with nozzle.
• Effective sound dampening.
• Can be cut, sanded and painted.

Application areas

The product is designed for:

• Insulation and filling of cavities and voids.
• Filling joints around window and door frames.
• Insulation against cold and drafts.
• Filling around pipes/duct penetrations.

The product can be used for interior and exterior applications.

Application

1. Remove the cap from the aerosol.
2. Screw the nozzle firmly onto the threads of the valve without pressing the trigger or the valve.
3. After shaking the can, wait 30 seconds before applying the foam.
4. Dispense a small amount of foam and check the color.
   A uniform light blue foam indicates sufficient mixing.
   Multicolored foam (light yellow and blue) indicates insufficient mixing.
   Shake the can again 20 times, dispense a small amount of foam and check the color again.
5. Dispense the foam by pressing the trigger.
   To ensure proper flow, hold the can upside down while dispensing.
   The amount of extruded foam can be adjusted by applying more or less pressure to the trigger.

Consumption

• Foam yield: ~13 liters
• Joint yield: ~13 meters

Joint yield based on 20 mm × 50 mm joint

Conditioning

400 ml aerosol: Light blue.