Hi there, this is Laura with Mohawk Flooring. We’re so sorry to hear about the scuffing and scratching you're experiencing with your new engineered hardwoods. Have you spoken to Mohawk’s Consumer Affairs division about it? If you would fill out the form at the following URL, detailing the product information and the issue, our Consumer Affairs team will contact you shortly: www.MohawkFlooring.com/consumer-affairs/
I apologize again for the issue with your new floors!