A rain sealing system like the Kelley AQS900 AquaShield® provides important protection from the elements, keeping products safe from costly water damage. The Kelley AquaShield rain sealing system keeps external moisture out of the loading dock area with a “wiper” pad that scrapes water off the top of the trailer while the trailer is backing into position. The AquaShield design is ingenious because it works so well. And yet, it’s so simple that it requires virtually no maintenance.