Fiberlock IAQ 8500 HVAC Insulation Sealer Black Ductwork Encapsulant Coating 18.9L

Fiberlock IAQ 8500 HVAC Insulation Sealer is a professional grade coating designed for ductwork systems. It bridges and reinforces duct liner and duct board insulation while sealing unlined duct surfaces to reduce airborne fiberglass and particulate release.

Key benefits

• Reduces release of fiberglass and airborne particulates
• Reinforces and bridges duct liner and duct board insulation
• Provides durable flexible protective coating
• Moisture resistant semi gloss finish
• Reduces dust buildup on treated surfaces
• High viscosity reduces sagging on vertical and overhead surfaces

Applications

• HVAC duct liner and duct board reinforcement
• Sealing unlined ductwork prior to maintenance or removal
• Fiberglass insulation containment in duct systems
• Commercial and industrial HVAC system maintenance
• Air quality control during HVAC remediation work

Features

• High viscosity formulation for strong bridging performance
• Semi gloss protective finish
• Moisture resistant coating system
• Designed for vertical and overhead application without excessive drip
• Tested to ASTM C 411 hot surface performance standard
• Meets ASTM E 84 Class A fire rating requirements
• Complies with NFPA 90A and NFPA 90B standards
• Mold resistant on dry film surface only
• Supplied in 18.9 litre pail

Why choose this product

Used by HVAC and restoration professionals where insulation containment, fibre control and duct sealing are required to improve safety, air quality and system integrity during maintenance or remediation.

Specifications

• Volume: 18.9 litres
• Colour: Black
• Product type: HVAC insulation sealer and duct encapsulant
• Compatibility: duct liner insulation, duct board insulation, unlined ductwork, fiberglass insulation systems
• Application method: brush, roller or spray application
• Viscosity: high viscosity formulation (exact value not provided)
• Finish: semi gloss
• Fire rating: ASTM E 84 Class A
• Test standards: ASTM C 411, ASTM E 84
• Compliance: NFPA 90A, NFPA 90B
• Function: insulation reinforcement, duct sealing, particulate control