Belize Unfinished Oak 1 Light Glazed Internal DoorBelize Unfinished Oak 1 Light Glazed Internal Door The unfinished variation of this Belize Unfinished Oak 1 Light Glazed Internal Door leaves the door open for customisation. You will need to apply a final protective coat to this door, but what you use is up to you as long as it appropriately protects and enhances the door. We personally recommend the Treatex hardwax oil to protect your new door. The glass panel on this door features the frosted