● Woodworking · Review

West System 105-A Epoxy Res in with 206-A Slow Hardener

Gap-filling properties -- fills voids and poor-fitting joints that PVA cannot bridge

✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 3 min read

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Best Epoxy

West System 105-A Epoxy Res in with 206-A Slow Hardener

West System

Gap-filling properties -- fills voids and poor-fitting joints that PVA cannot bridge

  • Two-part epoxy
  • Gap filling
  • Waterproof
  • Marine grade

Pros

  • Gap-filling properties -- fills voids and poor-fitting joints that PVA cannot bridge
  • Marine-grade waterproofing for the most demanding outdoor and marine wood applications
  • Bonds to oily woods (teak, ipe) that PVA glues cannot bond to
  • The correct adhesive for structural repairs, gap filling, and bonding difficult wood species

Cons

  • Two-part mixing required -- more complex than PVA
  • Must be clamped for extended time -- 8 to 24 hours depending on temperature
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