On the face of it installing new carpet over the old carpet does have some advantages.
Can you place carpet over rusted floorpan.
Carpet in place.
Floor pan rust treatment process in pictures.
Remove any rust from the bottom of the floor pan using a power sander and 40 grit sandpaper.
Also if the rust started from the inside leaky t tops window seals etc fix that or it will just.
You can use a cut off wheel or reciprocating saw to cut the floorpan.
Riveting in a patch sealed with rtv will work if you re feeling cheap.
If you have built an older car chances are you have had to deal with rusty floor pans.
And if the existing carpet was glued down not tacked it can be a huge time saver to lay the new carpet over the old.
We set out to show the different ways you can fix a floor using this 1960 pontiac catalina where severe rust and rot had damaged its floorpans and trunk floor.
Scrap off the old seam sealer from around the remaining edges of the floor.
We used a hypertherm powermax45 xp plasma system.
Even an otherwise rust free car will often have some swiss cheesing of the floors 40 years of wet shoes and the occasional bust ed heater core take a toll.
Weld spatter travels far and will bury itself into the surface of any glass it hits you can get it off with an acrylic scraper but the glass will be permanently pitted.
On any repairs that require welding cover all the glass on the car and on any other cars in the workshop where you re working.
By madcat x1 len gates in the uk provided this important caution.
A better method is to weld in a patch remember to paint that area on the outside under of the car so that it doesn t rust over again.
I would love to see pics of your progress and all the best with your project too.
This patches the holes and adds a strong layer over the floor pan which can actually improve the strength of the entire floor pan.
Then you want to put in a patch.
Sometimes you can get away with minimal patch work but far too often the pans are completely wasted.
The first thing realize that when you decide to repair your rusty floor you need to understand that those few rust holes that you see now are only going to get bigger as you clean things up.
If necessary to break the adhesion bond between the carpet and floor pan.
A good tip for you place a thin layer of plastic or cling film under the lid to stop it sealing itself shut if you have any left over.
It saves on the cost and labor of pulling up and disposing of the existing carpet keeping carpet waste materials out of the landfill.