Thickness of loadbay floor, sealing holes

[Slunkie]

Does anyone know the thickness of the floor in the load bay?

A previous owner of my T32 T6 screwed into it in a few places, presumably to fix a ply lining.

I want to tidy up and seal the holes i.e. ream them out a bit, seal the exposed metal, and put a sealed rivet in each. However not sure if rivets will work if the floor is double skin and too thick?

Any suggestions welcome.

 

[Slunkie]

Well I cleaned the screw holes up a bit with a 3.2mm drill bit and flattened them down with a tap of a hammer or dremel grinder bit, then a couple of coats of metal primer before putting a matching diameter sealed alu rivet in each. They can seal a hole depth between 2-4mm and seem to have done the job. Then another coat of primer over the top.

Probably over engineered a bit, I'm sure just a bit of sealant would have covered them over nicely but this way makes future inspection easier.