As a old auto body shop owner using 3M products always did waht they were designed to do and using the foam sealer tape I used was designed to stop water migation under a truck cap. Having one side of sticky it allowed the tape to seal to the unit and float on the roof top. The sealant dries and is not sticky once set so for the following 6 years of ownership of the DRV trailer and having no further leaks, I guess it worked as I had expected. If at the time the factory seal was available I would have purchased it, but where I was there was no seal. I did the next best thing and got the fix done. No big deal as I have learned a long time ago there may be more than one way to get the job done and have it work.
