Joisties Adhesive | Steel Underfloors | About

Choosing high quality adhesive ensures Joisties are fitted securely, so insulation performs effectively. Not just now, but for life.


  • Multi-purpose adhesive and sealant in one.
  • Very high grab strength.
  • Rapid bond development.
  • Stays permanently flexible.
  • Durable.
  • Suitable for a wide range of temperatures, from -40˚C to +90˚C.
  • Low VOC.
  • Salt and chlorinated water resistant.
  • Mould resistant.
  • Each cartridge glues about 30 Joisties when used according to instructions.
  • Made in Australia.


  • High performance product that cures to form a high strength, permanently flexible waterproof bond.
  • Can be used on box sections, C section floor joists and C section steel beams.
  • Creates a steel frame thermal break.
  • High grab factor so Joisties stay up permanently once applied.
  • Safe to use in low ventilation areas.
  • Ensures Joisties are effective in keeping your home warmer in winter and cooler in summer.