For a warm and comfortable basement choose the dorken delta fl subfloor.
Sub flooring for wet basements.
Yes you can build a 12 inch high basement subfloor and stay dry above everything but basement ceilings tend to be low.
Its 100 waterproof and an excellent choice for damp spaces like kitchens and baths as well as flooring for a wet basement.
It creates an air gap above cold damp concrete to protect insulate and cushion your finished floors.
It does not work so well if your sub floor is bumpy and uneven as this is a floating floor so it may wobble or bounce a little.
Dricore subfloor is the first and most important step towards creating a new living space as warm and comfortable as any other space in your home.
This product works great for basements and other places that may get wet or have moisture such as kitchens entryways powder rooms.
Its dimpled rugged gray plastic membrane provides a seamless mold and moisture barrier for any concrete slab on grade floor in your home.
Generally no matter what type of material the carpeting is made from do not install it in wet or even semi wet areas.
I have a few suggestions that may help.
This kind of damage should be repaired before any new basement flooring is installed.
Dricore is the one step engineered subfloor solution that is specifically designed for basements.
While proper landscaping can direct rain water away from your house it doesn t always solve the problem of water vapor.
With the right moisture protection you can turn a damp moldy basement into a safe and livable family room or workshop.
Given that this is going down over a concrete floor don t technically need a cushion as you call it but i would suggest first installing dricore subfloor or dricore.
If carpeting in a basement is absolutely needed it should be elevated off the slab floor by using a raised subfloor of sleepers and plywood or dricore panels.
Is water coming into the basement during wet weather.
Even an inch or two in elevation for your subfloor will make a noticeable difference.