View Full Version : welding crossmember/void
turbojolt
14-05-13, 09:51 AM
when welding new metal onto the cross member or any other void, what do you do to the back of the metal to stop it rusting from the inside out?
Pulsar_stu
14-05-13, 10:06 AM
Waxoil?
GRUNT 16V
14-05-13, 10:30 AM
weld through primer ! then wax oil!
There's usually a hole you can poke a nozzle through for waxoil, e.g. holes around the bottom of the crossmember or up the chassis legs.
It's never going to be as well protected as on the outside though is it.
As Iain said. unless you want to get it dipped in primer you are screwed.
LDAWSON
14-05-13, 02:42 PM
I use weld through zinc primer, spray loads on put it together and weld...as its weldable
turbojolt
15-05-13, 08:12 AM
ok great cheers guys
1last question what thickness steel, will 1mm be enough?
Yeah but I would use 1.5 my self.
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