QuicPrep Premium Underlayment is a unique Universal Underlayment that works with floating floors: For use with all QuicTile, LifeProof branded Luxury Vinyl Plank, all Laminate flooring (LifeProof, Home Decorators Collection and Traffic Master), Engineered Hardwood and Engineered Flooring sold at The Home Depot. Constructed with durable 1.5 mm thick high density XPS foam, this Universal Underlayment enhances the performance of your floating floor. Its superior strength help protect locking systems and joints. The built in moisture barrier helps protect your floor against harmful moisture vapor. QuicPrep also features an easy to install fanfold design with printed cutting grid making it easy for DIY projects.