Klasse FireFend® FR Acrylic Sealant 600ml Green
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Klasse FireFend® Fire Rated Acrylic Sealant expands at high temperatures to form a char layer, restricting smoke and fire passage. It is flexible, easy to apply, and suitable for various joints and penetrations.
- The description claims that the sealant forms a fire and smoke seal in joints up to 35mm wide without slumping.
- The description claims that the sealant is not suitable in joints where movement exceeds ±12.5% of joint width or in permanently exposed external joints.
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