Originally Posted by wacnstac
In fact I am taking the rig to Woodland RV tomorrow to fix my black water tank leak and they have one of these Sealtech there, but they said they would not offer this service to me as they only usually do it during the winter when they are slow. I can't imagine how you could seal all normal paths of air exit (such as the passage ways from the rear compartment to the belly area), to get enough pressure in the trailer to see bubbles on the skin from other leaks. Unfortunately I think I am on my own with this one.
I wonder if you couldn't make up a "DIY" version of this device with some plastic sheeting, duct tape, and a gas or electric powered leaf blower.