3m two pack
2k bedliner might be an acceptable alternative
need the £££ spray sealant then
The one you linked to is for applying seam sealer and very heavy layers at some locations and if that's what you are after it looks good (might investigate it further myself)
This is the stuff and the gun I was thinking of. The stone chip doesn't look too bad until you see you only get a 1/4 liter in a bag.
https://www.spraygunsdirect.co.uk/i...aler-250ml.html#sthash.q1ussHhF.sa6dR3gV.dpbs
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looks like some of my welding