StonePro Traverfill: Travertine Hole Filler Dark 1lb Traverfill is an easy-to-use travertine repair product that permanently repairs unsightly holes, voids, and missing travertine fill. If unsightly holes and pits are making your travertine floor look horrible, StonePro Traverfill is your answer. Traverfill is available in either LIGHT or DARK colors to match most travertine and can be mixed to create your own custom color. Dries to a matte finish. This powder is converted to a paste by adding water and is applied like spackle.