A self-extinguishable aerosol foam for filling, sealing and bonding gaps. Akfix 840 is a self-extinguishable aerosol polyurethane foam for filling, sealing, and bonding gaps. It is designed for easy dispensing through the straw adapter included in each can.
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Rated B2 according to DIN 4102.
Excellent adhesion to most building materials.
It does not contain any propellant gases that are harmful to the ozone layer.
It can be painted after curing.
It can be cut and sawn.
Fixing and insulating of door and window frames.
Filling and sealing of gaps, joints and cavities.
Filling of penetrations in walls.
Insulating electrical outlets and water pipes.