If you fill the gap exactly to the surface level, the wood movement will eventually pull the filler away, creating a crack. Filling the Void When applying filler to a large gap, the goal is to overfill the space slightly.
Epoxy Wood Filler Large Gaps Mastery: Pro Techniques for Overfilling and Sanding
Whether you are sealing a wide crack in a hardwood floor, bridging a space in a piece of furniture, or fixing structural damage in wall paneling, the standard methods for small holes often fail. The edge of the filled area should be flush and smooth, with no sharp ridges.
Application Techniques For epoxy fillers, mix the resin and hardener thoroughly until the color is uniform. Preparation is Paramount No amount of filler will succeed if the surface is not properly prepared.
Mastering Epoxy Wood Filler for Large Gaps: Techniques for Overfilling and Sanding
You need to create a "hill" of filler that will be sanded down later. Wood naturally moves, expanding and contracting with humidity.
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