Well here is what my complaint about the installers here who stated emphatically here that an engineered wood floor should not delaminate (without examining my floor) unless it is literally flooded. Well now it appears no one wants to back that opinion up. I do not understand why the credit card company wants a letter from another installer, when they already have a full written report from a certified wood flooring inspector stating very clearly that his determination is that delamination is a manufacturing responsibility. I think the credit card company is just looking for an excuse to not act on this issue.
Anyway, I have just gotten a couple of estimates to fix this problem costing in the tens of thousands of dollars as i predicted, and I think these contractors will supply a letter. Please note that the cost of the replacement wood recommended is actually cheaper than the cost of the wood originally installed which has dozens of delaminations.
Well sir, it would be highly unethical for any of us to write you a report without inspecting it.
However you can find numerous articles about it on the web, written by highly regarded experts to help back your position.
You have been given the tools (Hardwood Plywood Veneer Ass., ASTM link) and numerious reasons why the wood delaminates and how they try and get out of it, the reasons why humidification is helpful and why they use that against you.
Do I like the way manufacturers weasel out of it, NO. Do I think your credit card company is being threatened or afraid of a lawsuit if they do, probably.