Roof Rack Noise Reduction

Place the sound deadening material around the hardtops and along with the window for excellent noise reduction.

Roof rack noise reduction.

How to reducing noise on a roof rack. Results from experimental modal analysis and sound pressure spectrum measurement in a wind tunnel indicate the direction of design modification for reduction of the roof rack noise and vibration. Make sure to keep the support towers secured by tying down its straps and mounts to the vehicle. This device will direct air flow up and over the ladder rack reducing noise at high speeds.

In most cases the deflector is attached to the crossbar with three clamps allowing for easy installation and safe storage when the device is not in use. Wrapping the cross bars in pads also disturbs the airflow over and around the bars thereby reducing the humming or whistling noise from a naked roof rack cross bar. Wind fairings are usually universal but are available in different lengths to fit your vehicle. The top section of the wind fairing attaches to the front crossbar while the bottom rests on top of the car.

A roof rack wind fairing is an easy to install plastic shield that deflects wind away from the roof rack therefore reducing wind noise. Both have their uses but only the edge bar is beneficial for reducing wind noise. Pull side to side on the crossbars to examine if the base rack is stable. A well sound deadened car will enable you to enjoy conversation in the cabin and also listen to your favorite tunes.

Load bars and edge bars. Load bars are used to mount heavy wide and long loads such as kayaks or luggage. Install a front bar wind deflector to the front crossbar of your ladder rack. In general there are two types of bar load surfaces for roof racks.

Check the base roof rack of your vehicle. Whipping and rattling sounds can be a source of annoyance but the noise is also an indication that your straps and items are not properly secured which is a safety issue. The reduction of distracting noises while you drive is only one reason to use care and proper technique when strapping large items to the roof of your car. Install a sailcloth top cover.