polyester fairing putty

Smooth out and fair fiberglass hulls, decks, molds, and composite parts with Fiberlay Fairing Putty. This high‑build polyester putty sands easily, fills low spots and imperfections, and cures to a hard, durable surface suitable for gelcoat or paint.

High‑build fairing compound for fiberglass and composite surfaces

Easy to spread and sand; reduces pinholes and surface defects

Gallon size for larger repairs, production fairing, and shop use

Requires MEKP catalyst (sold separately)

Ideal for marine, automotive, and industrial composite finishing