I have an oak dinning room tables that has groves in it running the length of the table all the way across. I am wanting to refinish it and would like to fill those groves in with something that would give it a look like a log cabin does with the dried mud between each wood piece. I want something that is made for this and will last the wiping and cleaning of the table each night. We use our table for more than just eating. Then what would you suggest we use as a sealant once we have filled