Bondlaza polyurethane foam sealant B1

Bondlaza B1 is a single-component, high performance, gun-grade polyurethane foam that performs as gap filling. Bondlaza B1 is CFC-free and can be applied over a wide temperature range, making it a reliable, four-season solution.  

  • Suitable for gap filling around window and door
  • Expands and moulds itself to surface irregularities
  • Can be cut, sawn, sanded, painted or plastered over
  • For use with a foam gun