White Line Syndrome, colloquially known as “WLS” in the hardwood flooring industry, refers to white lines that manifests between boards on hardwood floors. Over the past 5 to 10 years or so, the blogosphere has erupted with discussions about WLS, prompting some industry analysts to believe that it’s on the rise. So what exactly causes WLS? What can be done to prevent it? And what should you do if you suspect that your new or old hardwood floor is beginning to manifest these aesthetically unappealing (maddeningly so) lines? Read the rest of this entry »