A carwash bay with an entrance and exit opening can create a wind tunnel effect. Proper application of chemical on the vehicle is the key to aptly cleaning the vehicle. Gusting winds can blow chemicals and water away from the vehicle and reduce the effectiveness of those chemicals to clean the entire vehicle.
The chemicals are then also ineffectively applied to your equipment; it is not washed off and can cause maintenance issues down the road. In self-serve applications, having the ability to close one or both doors to eliminate wind provides your customers a sheltered environment to wash their cars, and it will be greatly appreciated. Vinyl rollup doors have become popular for eliminating the wind tunnel effect in bays.
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