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 is so simple that it requires virtually no maintenance.