I have had Nirelle (463) on the hard for a year and a half. I am now getting her ready to go again and noticed that the teak and holly cabin sole which was finished with Sea-Fin oil has shrunk leaving several large cracks between the planks. (A nearby heater may be to blame.) Does any one have any experience with this? If I re-apply oil will the boards expand again and close the cracks? Or should I fill the cracks? Any help would be appreciated.