We can have your monument looking brand-new. If your stone is covered with dirt, stains, and mold, inquire about our cleaning service. This staining is simply a product of being out in the elements. There is no sealer or chemical you can use to prevent this. For the very best results, we use a low-pressure sandblasting service done on-site within 2-10 business days from the time of purchase. You will be pleased with the results, we guarantee it! See Before and After photos.