- This topic has 3 replies, 4 voices, and was last updated 11 years, 6 months ago by
.
-
Topic
-
Hi.
I had a little accident on a underground parking. My side sill has met the steel column 🙁
Body specialist suggested to cut damaged piece off and weld a replacement. From some other guys I heard that welding will evaporate a zinc from the element and makes it more prone to corrosion. What is you opinion guys? Is it a good approach to fill it with some epoxy mass ? The damage isn’t big, but it looks horrible on my beloved red babe 🙁
https://plus.google.com/photos/117896198972055328929/albums/5575143197376133345
-
Replies
-
Hmmm I could see that being fixed either way.
What part of the country are you in? I don’t see that being an issue as long as it’s primed and top coated. That area isn’t all that prone to get rusted out.
The body specialist is correct. That sill appears to be a structural piece, and will be weakened by a dent.
If the correct primers and topcoats are used, corrosion shouldn’t be a problem.
In the photos, that dent appears far too deep to use any type of filler. If it measures more than about 3mm deep, it is. It will have to be brought out to 1-2mm to be filled. Otherwise you risk the filler cracking and/or falling off the car.
It will be more expensive, but for crash-worthiness and long life of the fix, I’d have a new piece welded in and refinished if practical.
Good luck,
moparfan[quote=”mosfet” post=67100]
From some other guys I heard that welding will evaporate a zinc from the element and makes it more prone to corrosion. What is you opinion guys? Is it a good approach to fill it with some epoxy mass ? [/quote]That is correct, in order to get a perfect weld the guy doing the work would have to grind down to bare metal and thus at the same time grind through the galvanisation. If left uncovered and untreated then yes you would get rust at that point. But covered with primer, paint and then top coat it wouldn’t really matter a great deal since you would have the paint on the top to protect.
If the guy fixing it was really zealous he could spray on a coating of zinc plating to the welded spot, which is otherwise known as cold-galvanising. Would it make it a difference, sure. But not a great deal of difference in reality.
- You must be logged in to reply to this topic.