Fair point, upon further digging I found I could get 42m of 25x25x1.5 erw and 24m of 20x20x1.5 erw from parkers for £150 including vat and delivery. Does it make a big difference though using 2mm over 1.5mm? Can't seem to find a clear answer about why 2mm would be better anywhere and I understand the book recommends 1.5mm? (still waiting for my amazon copy to turn up). For example if I want to upgrade to a zetec engine later will the 1.5mm be strong enough? Also never welded before and not sure what people mean by punch through?
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17th November 2010, 03:00 PM
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