Drilling holes in trailer roof to install solar: worth it?

I had no issues drilling to mount the pannels, especialy when you do it yourself as you know how good you sealed it up. I put a little bit of Geocell to fill the hole and forced some between the substrate and the roof membrane then I put a good bead of it between the roof membrane and the solar mount. then after it was all mounted I did a good hit of dicore over and around the foot. nothing is getting in that hole.

Steve