Everbuild Hybriflex FR is a one part, chemically curing solvent free sealant and adhesive combining the best qualities of silicone and polyurethane technologies. It is specifically designed as a multi-purpose floor and wall sealant for all concrete saw cuts and cladding applications and/or slab expansion joints, where fire resistance is required. Fire rated for up to 4 hours in certain joint configurations.


Available in:
600ml sausage

Blue construction logo


  • Concrete precast panels
  • Traffic floor joints
  • Slab expansion joints
  • ACM cladding and facades
  • Aluminium Joinery
  • Exterior Cladding
  • Fibre Cement Sheeting
  • HVAC and Sheetmetal

See all applications in our Technical Data Sheet

See all applications in our Technical Data Sheet

How to use

  • Substrate Preparation

    Mortar: Prime with Sabre Primer PX. Non-Porous Surfaces: Improve adhesion by priming with Sabre Surface Activator. All surfaces must be cleaned and be free from dust, grease, and frost.

  • Application

    New Joints: Concrete joints should be sawn, all debris flushed away after cutting and joints allowed to dry.
    Renovating Old Joints: Remove all old sealant from existing joint and clean back to sound concrete by wire brushing, grinding or shot blasting. Fit backing rod and/or joint breakers as required by relevant flooring standards/specifications/codes of practice. For a neat finish, mask joint edges, removing masking tape immediately after tooling is completed and before sealant skins over.