PROMADUCT 500 system

Products: PROMATECT L500 panels

These are large self-supporting refractory silicate-cement panels resistant to moisture. They are suitable for building ducts with 2, 3 or 4 fire-proof sides (walls).


– Self-supporting smoke extraction, ventilation or air conditioning ducts

– Fire-proofing enclosures for existing stainless steel ducts

Fire resistance: from EIS 30 to EIS 120


  • Universal system for smoke extraction, ventilation and air conditioning ducts
  • Elimination of steel plate ducts
  • Single-layer lightweight duct wall
  • Outstanding durability for long lifetime
  • Structural stability and moisture resistance
  • Easy to pre-fabricate, apply and work
  • Excellent duct tightness
  • Cross-section dimensional stability under fire