A breathable foam type underlayment is generally used when installing laminate flooring over plywood or osb subfloors.
Laying laminate over underlay.
Lay 4 mil or thicker polyethylene sheeting over the entire floor if you re using uncovered foam underlayment.
A laminate floor is a floating floor meaning it is not fastened directly to the subfloor.
Underlayment is either pre attached to the bottom of the laminate flooring by the manufacturer or it is installed separately by the user.
In most cases you will not want to use a vapor barrier type underlayment when installing laminates on a standard plywood subfloor because wood is a natural material that needs to breathe installing a vapor barrier over this can cause moisture to become.
Installing laminate flooring is a snap literally.
When it comes to installing a new flooring material you sometimes have the option of installing the underlayment for your new floor directly on top.
Overlap the edges of the plastic 8 to 10 inches and staple it to the floor with a.