Watch as I show you how to prep a wood subfloor for luxury vinyl plank flooring. This tutorial covers how to address uneven spots, fill gaps, and create a stable foundation for vinyl planks. Follow ...

It's easy to forget that, while installing a vinyl floor can be simple, the subfloor needs the same attention as it would for any other flooring.

However, insulated subfloor paneling, consisting of OSB sheathing backed by foam insulation, is available — for a price. Particleboard is not used as frequently as the previous two options.

The builder is installing a 3/4-inch thick OSB subfloor, glued and screwed. Internet research says it's not advisable to orient the flooring parallel to the joists.