 Actual steam could damage man-made carpet fibers and change the characteristics as they are usually set using heat. Woven carpets can shrink but most carpets are not woven and are in fact tuffed on a laminate backing, velvet-piled carpets and Berber carpets may become fuzzy which is known as pile burst. Most problems can be avoided by professional experienced cleaners.
<coherence>  Actual steam could damage man-made carpet fibers and change the characteristics as they are usually set using heat. Woven carpets can shrink but most carpets are not woven and are in fact tuffed on a laminate backing, velvet-piled carpets and Berber carpets may become fuzzy which is known as pile burst. Most problems can be avoided by professional experienced cleaners.