Installing Laminate Flooring Underlayment. If your laminate flooring already has underlayment attached, you would not use another underlayment. It protects your new investment from moisture and damage from the cement slab underneath.
Before you start gluing together your planks, plan out your floor. If you attempt to lay and lock the planks evenly with one another you will find that they wont lay. Underlayments come in different sizes, materiel, and thickness.
The underlayment has a plastic strip on one end that goes along the wall and up the wall that will be covered by the baseboard, and the other end has a strip of.
Installing Laminate Flooring Underlayment. Covering the entire flooring area. Underlayment is optional for hardwood but is mandatory for laminate. The underlayment must be applied to the original flooring surface first, and then the floating floor can be installed. The underlayment helps the laminate planks lay smoother, connect better, and for the flooring to feel slightly softer underfoot.