Forum Discussion
Lynnmor
Oct 21, 2017Explorer II
You can build your own sealtech unit, all you need is a cheap plastic tub over an open vent.  A leaf blower (preferably electric) is then inserted in a hole in the side of the tub.  Spray soapy water at any suspect area and take a photo of any bubbles for later repair.
About Technical Issues
Having RV issues? Connect with others who have been in your shoes.24,330 PostsLatest Activity: Oct 30, 2025