The retailer, after inspecting the flooring, submitted a request to the manufacturer to also come out and take a look at the complaint. After everyone from the proper channels had taken a good look, no conclusions could be reached as to the cause of the discoloration.
Photos 3 and 4 were taken with the assistance of an ultraviolet light source, or black light. Using the black light, the yellowing becomes very visible. Shapes in the yellowing become much more vivid due to the contrast between the discolored areas and those areas unaffected.
If you can’t figure it out, don’t feel bad. This is not an easy one. Perhaps some additional information will help. Out of 100 or so square feet installed in three different areas, only a 4-by-8 area showed the faint yellowing condition. This area, as shown in the photos, is directly in front of the sliding glass doors. Photos 1 and 2 were taken under normal lighting with the drapes pulled back, while photos 3 and 4 were taken with the drapes closed.
You Make the Call!
Photos 5 and 6 are close-ups of a straight-line shape and a wood grain-looking cloud shape. Because the discoloration is less evident in the grout line areas of the patterns, the discoloration appears to be topical in origin. But if over-exposure to direct sunlight is the cause, why are there two very different shapes in the yellow discoloration?
But what about the wood grain-looking clouds? In both shapes, the urethane topcoat layer of the vinyl is turning yellow due to extreme long-term exposure to direct sunlight. Over time, both shapes would blend into an overall yellowed, 4-by-8 section of the floor directly in front of the sliding glass doors.
If you are still having trouble deciding, pick up a warranty from any vinyl manufacturer and read it. Even if this is the first time you’ve ever read one, do it. It will open your eyes and make you more familiar with the products you are working with. And while you’re at it, read the installation and warranty information on all the products you sell or service. The more knowledge you have concerning the products you deal with, the easier it will be for you to “Make the Call!”
P.S. The answer is: Site-related conditions due to extreme overexposure of the floor covering to direct sunlight. The problem is not the responsibility of the installer or the manufacturer.