Price of fireproof sealing for through-wall cable trays

Fireproof sealing for cable trays typically ranges from $20 to $100+ per unit depending on type, size, and certification, with exact pricing requiring supplier quotes.

Product Types and Pricing Guidance

1. Firestop Pillows (Intumescent)
   • Examples: AF Bags are intumescent pillows certified under EN 1366-3 for EI 120–240 fire ratings, suitable for cable diameters up to 21 mm and sandwich or self-supporting walls .
   • Pricing: Typically $20–$50 per pillow depending on size and fire rating. Larger or custom sizes may cost more.
   • Features: Easy to install, repositionable, non-toxic, and suitable for maintenance or modifications.
2. Firestop Sealants
   • Examples: Walraven acrylic or graphite sealants for single cables up to 21 mm or small bundles up to 50 mm .
   • Pricing: Usually $30–$60 per cartridge, with coverage depending on penetration size.
   • Features: ETA-approved, suitable for walls and floors, and compliant with building regulations.
3. Preformed Firestop Blocks or Plugs
   • Examples: Hilti CFS-BL blocks or Grainger firestop plugs .
   • Pricing: Varies widely; often $50–$100+ per block, depending on dimensions and certification.
   • Features: Designed for larger penetrations, can accommodate multiple cables, and maintain fire resistance.
4. Firestop Wraps and Sheets
   • Examples: Grainger firestop wraps and sheets for irregular openings .
   • Pricing: Typically $25–$75 per sheet or wrap, depending on thickness and material.
   • Features: Expand under heat, suitable for complex or irregular penetrations.

Factors Affecting Cost

• Cable tray size and number of cables: Larger trays require more pillows, blocks, or sealant.
• Fire rating required: Higher EI ratings (e.g., EI 240) increase material cost.
• Wall type: Sandwich panels or non-standard walls may require specialized products.
• Supplier and region: Prices vary by country and distributor; some products require contacting the supplier for a quote.

Recommendation

For accurate pricing:

• Measure the cable tray dimensions and number of penetrations.
• Determine the required fire rating (EI 120, 180, 240).
• Contact suppliers such as AF Systems, Walraven, Flamro, Hilti, or Grainger for a custom quote based on your project specifications . This approach ensures compliance with fire safety standards while providing a realistic cost estimate for budgeting purposes.