An HVAC assembly including a base portion that includes a rib outwardly extending therefrom. The base portion and the rib formed of a first material having a first elongation to yield. The blower housing including a collapsible portion that is formed of a second material and fixed to the rib by a bond between the first and second materials. The second material having an elongation to yield that is greater than the first elongation to yield of the first material and is configured to collapse when a force is applied to the collapsible portion.