DESCRIPTION AFTEK PU 25 is a one component polyurethane based elastomeric sealant which cures under the effect of atmospheric humidity to form a tough and flexible seal joint with excellent movement performance. AFTEK PU25 performs excellent adhesion on most building materials with proven weather resistance against UV, Ozone etc. APPLICATIONS Precast façade unit sealing Light weight cladding panel Construction expansion joint Window, door flame perimeter joint Natural stone joint sealing Ceramic joint sealing Various building material joint sealing, ie. fiber glass, rigid plastic, etc FEATURES One component, ready to use High movement accommodation +/- 25% Can be over paint Non toxic, sag, staining One component ready to use Excellent weather resistance Prime less for most substrates