<p num="1">A corner seal device for use in combination with wiper seals used in slide-out rooms in recreational vehicles. The corner seal device has a first generally horizontal surface and a second generally vertical surface meeting to form a corner. A third surface extends obliquely from the first surface and has at least some portion that is above the first surface. An end wall may be used to connect the third surface to the second surface. The corner seal device may also be used with a wiper seal having an inner shelf that extends over the third surface of the corner seal device. The inner shelf may also have a C- channel at the end that covers the upper most portion of the third surface of the corner seal device.
