Click Lock Vinyl Plank Flooring. Most of these vinyl floors can be installed right on the subfloor. If you have any areas on a concrete subfloor that may accumulate water or moisture, it is recommended to use a vapor barrier underlayment. This will prevent any mold or mildew from trapping any moisture under the planks.
Also asked, do I need underlayment for laminate flooring with attached pad?
There is an exception to this rule – a film vapor barrier. If you are installing your laminate flooring with the pre-attached underlayment over a cement subfloor, you will want to use a vapor barrier. This type of underlayment does not have any additional padding, so it will not pose a risk to your laminate flooring.
Can you lay laminate flooring without underlay?
Underlayment helps to prevent laminate damage. Moisture: You will need moisture-proof underlayment when there is a chance of moisture migrating upward: concrete slab, tile, cement board, and even wood sub-floor or flooring over a crawlspace or other non-climate-controlled space.
Do you need vapor barrier when installing hardwood floors?
Moisture can come up through your subfloor, especially if you are installing over concrete or below-grade. A moisture barrier is need to protect the flooring against moisture or moisture vapor. IN addition, a 15 lb felt paper should be placed between the sub-floor and the new hardwood flooring.