Depending on the local climate in which you’re installing and just what the subfloor is crafted from, you might want to look at this step. It’s Primarily essential after you’re setting up flooring more than a concrete slab subfloor as concrete is porous and can be vulnerable to moisture problems. https://troypwcnw.digitollblog.com/28742424/rising-damp-sydney-no-further-a-mystery