If you need a quick and inexpensive way to get rid of those unsightly cracks, this top-quality water-based wood filler is ideal for filling out those pesky cracks with ease. Timbermate Woodfiller is an interior-grade wood putty, grain filler, edge filler, and crack filler. Timbermate does not shrink, sink, crack or fall out and has an indefinite shelf life. The secret ingredient of Timbermate is tap water and has no Acrylic, Latex, or Solvent. It is non-flammable, freeze-thaw stable, and can be used to the last gram.