Floor pan - double skin?

[Antonnick]

I have a rusted area underneath the car (1970 13/30 Cabrio) which when trying to poke a rod into does not go through the floor  to where my feet would be but is blocked by more steel.

I have cut out the rusted area and exposed an inner floor pan. 

Question. Is the original floor pan a double skin or

Has a separate repair panel been welded on the inside of the car in the past?

 

Thankyou

Antonia

[Clive]

single skin, so yes, sounds like a previous repair.

[Antonnick]

That is good thankyou fo rthe confirmation.

I need to decide whether to repair the underside with a patch or cut it away altogether. 

Will have a think

[Hogie]

Hi Antonia,

If it was me, I would remove the carpets etc and clean the whole area so as to get a good idea of the previous repair and any further rusting.

Ideally replacement of the floor would be a good idea, but a lot of work.

Roger

[Antonnick]

This I have done already. The footwell on the inside of the car is in good condition and had only minmal  surface rust on it which was easily brushed off and painted. I can see now where it had been welded at the sides and when it was put in, it was pushed into the existing floorpan and fixed/glued with silicon before welding at the sides. 

The original floor pan was rusting away and had some holes in it. As the whole lot was covered with a thick layer of underbody sealer, I only discovered the rust patches when scraping the sealer away. Now I have now decided to cut the whole original pan out from underneath the car ( did that yesterday) and will reseal the "new" floorpan from underneath as well.

I am happy with that and hopefully the TüV inspector will be as well.

A

[DVD3500]

The only look for rust or damage. If it is painted over they won't likely notice.

I know a guy who has a 5 speed ford gearbox in his Spitfire and they never noticed it wasn't original...