Sandblasting wood removes stains from tie binders and weather, but cannot be removed by light sandblasting.

Light Sandblasting
Sufficient to lightly clean the surface with slight exposure to the wood grain.

Light sandblasting on wood

Medium Sandblasting
Uniformly exposes the wood grain

Medium sandblasting on wood

Heavy Sandblasting
Deeply exposes the wood grain

Heavy Sandblasting on wood