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32-19 Duct Seal 4L Grey H.B. Fuller

BRAND: H.B. Fuller
SKU: 15019158
$103.90 List price: $138.50
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H.B. Fuller 32-19 Duct Seal features a flexible duct sealing formula, a 4L pail size and grey colour. Ideal for duct sealing in air handling systems.

Alternatively Known As: H.B. Fuller 32‑19 Duct-Fas Duct Sealant

Technical Specifications
  • Colour: Grey
  • VOC Content: 24 g/L (excluding water & exempt solvents)
  • Non‑volatile Content: 56 % by volume / 70 % by weight
  • Density: 1.40 kg/L (11.7 lb/gal)
  • Service Temperature Range: –7 °C to 93 °C
  • Drying Time (set to touch): 1 h (at 23 °C, 50 % RH)
  • Dry Through Time: 16 h (at 23 °C, 50 % RH)
  • Shore Hardness: 72 Shore A
  • Fungal Resistance (ASTM G21): Rating 0 – no growth
  • Flame Spread (ASTM E84): 0; Smoke Developed: 0
  • Viscosity (Brookfield, spindle F, 4 RPM): ca. 500 000–700 000 cps
  • Dimensions (H x L x W): 150mm x 200mm x 200mm
  • Weight: 5.6 kg
Key Features
  • Fire‑resistant and UV‑resistant
  • Water‑based, thixotropic consistency for easy applicaton by brush, trowel, caulking gun or power extrusion
  • Can be pressure‑tested after 24 h dry time above ~21 °C
  • Forms strong bond to clean aluminium, galvanised and mild steel ducts
  • Tested to meet SMACNA pressure classes up to 10" w.g. and seal classes A, B, C; passed up to 15" w.g. with no blow‑out
  • Contains no asbestos, lead or mercury compounds
  • Low VOC and contributes to LEED v4 / MAS Certified Green / Cal‑Dept‑of‑Public‑Health compliance
Applications
  • Sealing ASJ, FRK and FSK jackets and flexible ducts to rigid connectors
  • Sealing board facings at joints, laps and over staple or weld‑pin punctures
  • Sealing flexible air ducts and polystyrene insulation joints
  • General HVAC high‑velocity duct air leakage sealing
Standards & Compliance
  • Tested to AS 1530.3.1999 (surface spread of flame)
  • Complies with AS 4254‑2002 for UV, ozone and weather resistance in exterior installations
Environmental Benefits
  • Low VOC formulation (24 g/L) reduces indoor emissions and contributes to LEED v4 and MAS Certified Green standards
  • Water‑based acrylic reduces solvent emissions
  • Durable flexible seal reduces air leakage, improving HVAC energy efficiency
Warranty Information

Warranted shelf life of six months from date of shipment; manufacturer warranty limited to product replacement or refund only, as per H.B. Fuller Australia Pty Ltd terms.

Available Now

Available through H.B. Fuller / Foster authorised distributors in Australia; 4 L grey pail.

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