Self adhesive, fiber mesh reinforced aluminium vapor barrier with low fire load according to the DIN 18234, fire class B2. Approved as a temporary waterproofing measure. KÖSTER Vapor Barrier FR has a very high Sd value of > 1500 m, making it practically vapor tight. It is characterized by a simple and fast installation and high perforation resistance. The self-adhesive backing is covered with a protective foil.
