Price list for fireproofing and sealing holes in cable trays

Estimating costs requires calculating material quantities, labor, and application methods for both fireproofing structural elements and sealing cable tray penetrations.

Fireproofing Costs

Fireproofing protects structural steel and other components from heat damage. Costs vary by material type and application method: Spray-applied cementitious fireproofing: $5 to $14 per square foot installed, depending on density, thickness, and accessibility. Intumescent coatings: $10 to $30 per square foot, influenced by fire rating requirements, steel complexity, and site conditions.

Scope considerations: Include steel beams, columns, decking, trusses, and exposed architectural steel. Account for surface area, thickness per fire rating, and any access limitations. Sealing Holes in Cable Trays (Firestopping)Firestopping prevents smoke and flames from spreading through penetrations: Materials: Firestop sealants, putties, pillows, intumescent wraps, and collars.

Scope: Quantify all penetrations through fire-rated walls, floors, and ceilings, including cable trays, pipes, and ducts. Labor: Estimate installation hours per penetration type and crew size for efficient application.

Estimation Process

Review project plans: Identify all structural elements and penetrations requiring fireproofing or firestopping. Measure quantities: Use software like Bluebeam, PlanSwift, or RSMeans to calculate surface areas, linear feet of penetrations, and material volumes. Apply unit costs: Multiply quantities by material and labor rates, adjusting for accessibility, fire rating, and application method.

Include labor and equipment: Factor in crew size, installation hours, surface preparation, and cleanup. Verify compliance: Ensure all estimates meet UL, ASTM, and local building code requirements. Optional tools: 3M's Fire Protection Estimation Tool can provide preliminary material estimates, but results should be verified with technical expertise and mock-ups for accuracy.

Professional Estimating Services

For complex projects, consider using certified estimating services that provide: Detailed takeoffs for fireproofing and firestopping systemsMaterial, labor, and equipment cost breakdownsMarked-up plans and compliance-ready documentationFast turnaround (8–48 hours depending on service) to support bidding Using these methods ensures accurate budgeting, avoids code violations, and helps maintain competitive bids while covering the full scope of fire protection.