Fixings to kingspan for hanging tray

[edexlab]

I've been asked to look at a method to fix tray hanging via threaded rod or something similar fixed to a kingspan roof , this is not the building roof btw but part of a machine enclosure

Normally I'd punch a small old screwdriver in and use self tappers/tekscrews to fix unistrut and hang it from this,
not the ideal but it does work
( nb punched as it gives a bit more metal surface for the screw to bite on rather than just the thickness of the metal skin if you were to drill it)

Threaded rod through the kingspan bolted above is not allowable and riveting blind rivets or rivnuts are probably not sufficient really
so I'm just checking if there are any other methods used that I've not come across/thought of
Any sensible ideas would be much appreciated

 

[Barry White]

Will they not go for plastic trunking and plastic conduit ? it can be screwed to the kingspan directly and siliconed to it as well for extra security. looks neat and matches the white face of the kingspan cheaper and easier to clean too.

 

[ETAS]

How about rivnuts? subject to the weight of course

 

[edexlab]

Plastic Trunking has been tried before but the lid comes off in some environmental settings of the cell as some types are just not suitable when there are different temperatures being used ie in higher temps it becomes soft then theres the contraction/expansion as products with different settings are run.

Rivnuts is probably going to be what I'll use as its a product they already use elsewhere so they are familiar with its use
I'm looking at doing a run along one wall of kingspan as the tray on brackets (side on rather than angle/gallows brkts) there has a low load, but still waiting for a decision from the bosses re hanging the tray right side up on the ceiling ,they'll take their time before saying yay or nay!