I asked Dog to summarise what he did on the underseal etc, his reply is below !
"Right, so, with your Lancia, underneath, we have gone back to bare metal and applied an epoxy primer and then a coating of Mipa MS300 which is a Polymer based sealer, this has a high level of protection and is resistant to high temperatures and the application process I use very closely matches the original Lancia finish from that time. It also retains a 'rubbery' texture so provides great resistance to stone chips.
Inside the shell we have followed a similar process with the epoxy primer though I've only used small amounts of MS300 in key areas like where the floor pans meet the sills etc.. Then I have coated all the lower half - floor pans, boot floor, wheel Wells, bulkhead, inner sills with U-pol Raptor to create a hard, protective 'shell' inside the car.....Currently this is black as it arrives outta the tin but it may end up in body colour colour depending on what the client wants, he's a fussy bugger...🤭🤭🤭😜"