Cut pile residential carpet such as those with textures and twists should have padding with a thickness of 1 2 inch or less.
Thick padding for concrete floors.
Even when the underlayment is pre installed you might still want to add a small moisture barrier layer underneath to keep more moisture away from your flooring.
Low spots deeper than 1 will need to be filled with an initial layer of this material or with standard concrete before a self leveling material is poured over it.
This is the most commonly used.
One inch is typically the maximum thickness this can be poured and that s plenty to cover radiant floor tubing.
If you choose a low pile carpet which includes berber loop pattern carpet and commercial varieties the carpet pad thickness should be 3 8 inch or less.
Some floors come with underlayment pre installed.
Concrete floors are hard cold and often times uneven thus rugs could often benefit from a more cushioned rug pad.
Frothed foam padding is a good choice to use on concrete floors because it responds well in heavy traffic areas.
The density of the carpet pad foam is another factor to consider.
A basement carpet pad will help hold off the feeling of cold and dampness that concrete basement floors can transfer the feeling of cold has always been one of the biggest drawbacks of concrete floors especially in the basement.
This can be a plus for carpeting a family room or recreation room that has a concrete subfloor.
Having a nice carpet pad between your carpeting and the concrete subfloor in the basement can really eliminate that feeling and help the room feel as warm as.
Given that concrete floors are often found in basements you would also want a rug pad that won t mold or mildew.