I would be grateful for some advice on how best to fix aluminium brackets (35mm x 100mm) to Promaster van. The brackets are used to support a large (25 kg) solar panel on the roof of the van. I am concerned about vibration, long term rubbing wear and electrolytic action of the dissimilar metals. I am thinking of using 2mm neoprene gasket between the van roof and the brackets, with stainless steel nylocked bolts. Is this the best method of fixing or can you suggest alternative methods ? Perhaps a Polyurethane adhesive ??
Thanks in advance
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