The dry foam carpet cleaning method has been used by many carpet cleaning services for several decades.

Like Dry Chemical Carpet Cleaning, Dry Foam is sometimes argued to not be an effective or practical way to clean carpets. But also, like Dry Chemical, it has definite advantages. For one, it is a dry procedure and renders a carpet useable again quickly and there is no rinsing involved. Actually getting the foam into the carpet can sometimes be tricky, though.

When using the cleaning foam technique, the first thing that should be done is a good, thorough vacuuming. Some recommend industrial vacuum cleaners to do this, but decently powerful commercial vacuum can work just as well. The next step is to add a pre-conditioner to loosen the soil in the carpet. After that, the Foam machine comes in. The chemicals are mixed in and it creates foam, which is then worked across the carpet.

The tricky part about this is spreading the foam evenly over the entire carpet. Now only does it have to be even, but it also has to be the right amount of foam, neither too much nor too little, as either could adversely affect the outcome. It is also important to go with the flow of the carpet, not against it, if your carpet happens to have a flow at all. If it does, every push of the foam machine has to be going that direction, which means turning the machine on at one end, pushing it straight across, turning it off and going back to the beginning to foam the area right next to it, across in the same direction. When finished applying the dry foam, it must be allowed to dry before you extract it. When it dries, it will trap the soil in itself and pull easily out of your carpet when it is extracted.

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