Quote Originally Posted by sandman View Post
For what its worth (very little, if anything) 1.5mm is way too much, 0.5mm will be plenty , I used printer paper as packing and just tacked the tabs on the removed to weld up, BTW printer paper,the cheap stuff is 0.1mm thick and dosnt compress, use it a lot as packing for for that reason, if it burns at the edges ,so what, hope this is of some help.
regards John
Ok I think I understand ?

As the paper is incompressible ? it spaces the tab away from the main frame by .5mm [ 0.1mm x 5 ] whilst the tab is welded on ?

Daft question is this 0.5mm for a spray paint finish ?

I am more a couple thick coats of primer & Hammerite brushed on sort of guy ?