Roof Noise Wind

Roof popping noise can be caused by the wind.

Roof noise wind.

A wind fairing s goal is to reduce the wind noises which are brought about by the roof rack you have placed in your vehicle. The patter or even the roar of falling rain or hail popping and cracking noises perhaps due to thermal expansion and contraction of roof coverings metal roofing or roof structure and transmitted noises from other external sources such as low flying aircraft or nearby trains or auto truck traffic from a nearby highway. Popping in the morning and evening is thermal expansion. The wind is flexing the rafters or trusses.

Someone somewhere must have had this same issue or know of someone. The entire roof system if not solidly braced can and will flex to absorb this force. Imagine the pounds of pressure against the entire side wall when a strong wind hits it. Install a roof rack wind fairing if you already own a roof rack the best option to fix the wind noise and whistling is to install a wind deflector commonly referred to as a wind fairing.

Back to the noise though. If the surface the wind passes over has a consistent shape the disturbance becomes tonal and at certain frequencies very annoying. Roof noises may be described as those attributed to an obvious source. When it is windy there is a creaking noise from around the edges of the roof area which is heard very distinctly in the bedrooms.

A roof rack wind fairing is an easy to install plastic shield that deflects wind away from the roof rack therefore reducing wind noise. This flexing is what s. Roof noises traced to wind see wind noises on roofs below squeaking and creaking traced to wind blown things attached to building exteriors such as signs antennas aerials weather vanes. The wind noise we hear from some roof racks is known as aeolian no ise and is produced by wind when it passes over or through objects.

It is only when the wind is 30 mph ish or greater and it s as if someone is sitting on my roof occasionally tapping with a small hammer. One of which is a wind fairing. If i go in the loft the noise comes from high up middle ish area and transfers down the wooden frame to the ceiling.