We find that roughly 90 percent of the time, if not more, you can refinish a very old hardwood floors. Sometimes this means replacing boards, making repairs, and even applying custom color stains over dark pet urine and water spots. There are several reasons to restore original hardwoods. Some people are sick of carpet and want the elegance of hardwood, while others are trying to boost the value of their home. Don't give up o your original hardwoods before having a professional hardwood flooring company asses them 1st!