








⚡ Elevate your repairs with the ultimate epoxy thickener—strong, light, and built to last!
WEST SYSTEM 407 Low-Density Filler is a microballoon-based epoxy powder designed to thicken 2-part epoxy resin for wood, marine, and fiberglass repairs. It offers a lightweight, waterproof, and durable solution that enhances bonding strength while providing easy sanding and a smooth finish. Ideal for both interior and exterior applications, this versatile filler cures to a dark reddish-brown color and is trusted for professional-grade, long-lasting repairs.





| Manufacturer | Wessex Resins & Adhesives Ltd |
| Part number | 407-1 |
| Item Weight | 220 g |
| Package Dimensions | 16.6 x 10.2 x 10.1 cm; 220 g |
| Item model number | 407-1 |
| Size | Small |
| Colour | Cures to a dark red/brown colour. |
| Style | 407 Low-Density Filler |
| Material | Powder |
| Item Package Quantity | 1 |
| Special Features | Low Density |
| Specific uses | Marine, Wood, Fibreglass, Outdoor, All-purpose |
| Included components | WEST SYSTEM® Low-Density Filler (150g) |
| Batteries Required? | No |
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