To try to keep the noise down, the dining room has carpeting laid on top of 10 inches of sound-barrier insulation.
(the dining room; has; carpeting laid on top of 10 inches of sound-barrier insulation) (carpeting; laid; on top of 10 inches of sound-barrier insulation)
the dining room carpeting
has laid
carpeting laid on top of 10 inches of sound-barrier insulation
on top of 10 inches of sound-barrier insulation