Example of holes in the van floor.
Patching holes in van floor.
Then use your fingers to make sure it s attached to the metal all the way around the hole.
Like big enough my pinky fit in them.
In my van i had a few holes in the floor that i repaired using fibreglass resin and patches.
Repeat this process inside the vehicle.
Wait an hour for the mixture to dry.
Use your fingers to flatten and smooth the patch against the area of the car so it follows the contour lines of the vehicle.
It could be that your van is missing one of these or as mark mentioned in the comment on your question it could be missing something like a screw or something used to be screwed in there.
Now you may begin welding it 2 inches at a time.
All done from the top side.
Cars and vans tend to have holes left in the body after the production process and these are usually filled in with rubber grommits.
How i patched small holes in the floor after we removed the plumbing from the old tub.
Alternate sides while welding to prevent the floor from warping.
I ll go through how i did it in 5 steps.
We removed an old chimney and that l.
Before patching these holes i wanted to clean sand and paint all areas that were bare metal.
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It s pretty easy when you know how.
Having removed the bolts and rivets i was left with all these holes to patch.
Tack weld the patch in place.
Weld both inside and out.
This really really needed to be done.
Ever since i got the van i talked about fixing the rust.
Wow if someone had told me at the dealership that there were 128 holes to patch i would have probably walked.
But since i needed some help with that the rust job got pos.
See my recommended products for van preparation note.
Press the patch into the hole firmly.
Hold the patch in place with one hand and use your mig welder to tack weld all four corners of the patch on the outside of the vehicle.