Is the bunching in the high traffic areas like doorways and halls if yes carpet is not stretched enough.
Lumpy carpet pad.
Lumps in a carpet are sometimes the result of the underlying padding.
Lumps generally occur in carpeting from poor carpet installation severe humidity affecting the carpet adhesive or carpet seams buckling from wear and tear.
If an improper cushion is used under the carpet it could cause the carpet to buckle.
In the morning remove the excess water and fluff the fibers with the edge of a spoon.
If the carpet moves the pad can move if it wasn t stapled properly causing bunps in the pad and carpet.
To prevent this issue the correct underpad must be used under the carpet.
The bumps may appear when the carpet padding wears down enough to create slack in.
Get the lumps out of your carpet to restore the look and safety of your home.
In any event the the carpet has to move first.
As the ice cube melts the fibers will slowly absorb the moisture helping them to return to their original form.
To remove dents in carpet and rugs from heavy furniture place an ice cube on the dent overnight.
Not only are lumps unattractive and cause eye sores but they are a hazard that causes trips and falls.
This would occur if the pad was not dense enough to adequately support the carpet and allowed too much flexibility in the carpet.