Any of our vapor barrier types of products can be used in this application over the concrete slab.
Do i need a vapor barrier under carpet.
A vapor retarder is a material used to prevent water vapor from diffusing into the wall ceiling or floor during the cold winter.
It will not only help you keep your carpet clean and dry but it will also protect the wood or cement underneath the carpet from becoming damaged.
Whether or not you need a vapor retarder hinges on three main factors.
The felt paper is a good option for hardwood but since you re nailing the hardwood down you do not need a foam underlayment.
If you use one it is no harm but you don t really need it.
After the insulation is in place you will want to add a vapor retarder sometimes called a vapor barrier if you need one.
For a dry mold free finished basement floor always install a vapor barrier before laying a wood subfloor or carpet pad.
Do you know if there are any contra indications to putting the vapor barrier on top of the concrete to separate it from the carpet pad.
See what goes into waterproofing a basement too.
Installing a moisture barrier underneath your carpet is a always a good idea.
Not every wall does.
Any kind of persistent moisture will allow mold to get a foothold and soon ruin carpet or wood flooring.
You only need to worry about the moisture barrier when it comes to a concrete subfloor so you do not need one in this case.
But what was done was that a vapor barrier was stapled to the bottom of the subfloor apparently prior to putting down the subfloor since.
The crawl space has a scratch coat of cement on the floor.