West System 4075 Low Density Filler 4 oz Fairing Compound

West System 4075 Low Density Filler is a blended microballoon-based additive designed to create lightweight fairing putties for marine and composite applications. This versatile filler mixes easily with epoxy resins to produce a smooth, workable compound ideal for filling voids, fairing hull surfaces, and creating shaped plugs.

Key Features:

• Microballoon-based formula creates easy-to-sand and easy-to-carve fairing compounds
• Excellent strength-to-weight ratio for lightweight repairs without compromising structural integrity
• Cures to a dark red-brown color for easy identification of filled areas
• Low density formulation reduces overall weight of repair areas
• Compatible with West System epoxy resins for consistent performance
• 4 oz container provides ample material for multiple fairing projects

Ideal for boatbuilding, boat repair, and composite fabrication projects where a smooth, sandable surface finish is required. Mix with epoxy resin to achieve desired consistency for application needs ranging from thin fairing coats to thick gap-filling compounds.