Do You Need Underlay For Vinyl Click Flooring. Most vinyl floors don't need an underlay. If you're installing it over concrete and you have a question about moisture issues, consider adding a vapor barrier underlayment first that will product against water problems. Vinyl underlayment is an optional add on to click lock vinyls that are 4mm or thicker.
However, if your old floor is uneven, has bumps and dips, or is buckled. Vinyl planks require hard, thin underlay because the product itself is softer. And it is enough to serve the purpose of an underlay.
Gallery of Do You Need Underlay For Vinyl Click Flooring
So, an additional underlay is not really compulsory. Nevertheless, you can still use underlay for peel and stick vinyl flooring. A vinyl flooring underlayment will not be as thick as a laminate or hardwood underlayment. There's a base layer in most cases when using the vinyl floor.
