Tip - How to Seal a RV Roof Top Air Conditioner | eHow

RV rooftop air conditioners are sealed with a sponge rubber gasket. These gaskets can deteriorate over time and cause leaks. Or you may even find that the sponge rubber gasket was serviced or installed incorrectly and it caused the normal air conditioner condensation to pool and leak into the RV. Either way, adjusting or replacing the gasket to...