Replace plastic or foil, accordion-type ducting product with rigid or corrugated semi-rigid metal duct. The majority of makers specify making use of a stiff or corrugated semi-rigid metal duct, which supplies maximum air flow. The flexible plastic or foil type duct can more easily trap lint and is more prone to kinks or squashing, which can significantly decrease the airflow.

Dryer Vent Cleaning West Chester PA Advises Customers to Clean Behind Dryers