How to price fireproof sealing of cable trays

Fireproof sealing for cable trays typically ranges from $20 to $150 per unit depending on type, fire rating, and size.Types of Fireproof SealantsIntumescent Firestop PillowsExamples: AF BAGS, 3M Fire Barrier Moldable Putty+Fire ratings: EI 120 to EI 240 (EN 1366-3)Features: Repositionable, suitable for cable diameters up to 21 mm, easy installation in walls, floors, and sandwich panels Typical cost: $20–$80 per pillow depending on size and certificationFirestop Caulks and PuttyExamples: IC 15WB Caulk, 3M moldable putty sticksFire ratings: 1–3 hours F-rating, 0–3/4 hour T-ratingFeatures: Applied with caulking gun, adheres to most surfaces, halogen-free, intumescent properties to block heat penetration Typical cost: $30–$60 per tube (300–600 mL), coverage depends on tray size and wall thicknessFirestop Sheets and WrapsUsed for larger cable trays or multiple penetrationsFeatures: Flexible, can be combined with caulks or pillows for complete sealing Typical cost: $50–$150 per sheet depending on material and thicknessFactors Affecting PriceFire Rating: Higher ratings (e.g., 4-hour vs 2-hour) increase costMaterial Type: Silicone, acrylic, or foam-based sealants vary in priceTray Size and Number of Penetrations: Larger trays require more material or multiple pillowsInstallation Method: Pre-formed pillows are faster to install but may cost more per unit; caulks require labor timeCertifications: UL, EN 1366-3, or ETA markings can affect pricingSupplier and Lead Time: Custom orders or fast delivery may increase costEstimating Total Project CostMeasure cable tray dimensions and penetration sizeDetermine required fire rating and select appropriate product typeCalculate number of pillows, tubes, or sheets neededMultiply unit cost by quantity and add labor/installation costs For example, sealing a medium-sized 4” x 12” tray through a 7” x 15” wall opening may require 2–4 intumescent pillows ($40–$160 total) or 1–2 tubes of firestop caulk ($30–$120 total) depending on wall thickness and fire rating . By considering these factors, you can select a fireproof sealing solution that balances safety compliance, ease of installation, and budget.