Vinyl floors are notoriously durable and water-resistant, so do they really need a moisture barrier? The answer depends on ...

For instance, the only time you’ll need vapor barrier underlayment to install vinyl plank flooring is if you’re putting it on an unsealed concrete surface, like a basement floor.

Vinyl plank flooring is a durable, DIY-friendly floor covering that's suitable for high-traffic areas—and is easy on the wallet.

If the old floor is smooth, you can lay the new one right over it, without new underlayment. Be sure to give it a thorough cleaning with TSP (tri-sodium phosphate) so that the adhesive will stick.

Q. I plan to install new flooring materials in my home. Can I just remove the carpeting and install my flooring material over the existing subfloor, or do I need an underlayment? I want my new floo… ...