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[Terbs]

After reading johnnydog's thread on his spoiler, could you use this Silkaflex stuff to stick on new wheel arches then skim then over. Obviously to save welding.

[Broomies Mate]

A version of it is used in the Automotive industry and has been for bloody ages.

Accompanied by spot welding, it is a very cheap, easy and weight saving way of creating an extremely strong and durable joint between panels.

As for a DIY aplication..... I'd sure like to see some spot-welds to assist (especially during the curing phase of the adhesive), but in terms of using it for non structural components, I don't see any reason why not.

I'd think you'd struggle a bit to get sufficient sikaflex to make a decent 'joint' without overspill.  Overspill would be bad from a 'finishing' point of view as it'd be a bloody nightmare to sand down and to paint.

[Terbs]

Thanks, BM....for the sake of what it costs, I think I will get a tube and try some off-car practising. I have plenty of metal here to try on. Appreciated

[henryd]

The only snag I see is that sikaflex is semi flexible when cured so any filler that's laid over the joint is liable to crack.

[Nick W]

After reading johnnydog's thread on his spoiler, could you use this Silkaflex stuff to stick on new wheel arches then skim then over. Obviously to save welding.

Sikaflex isn't meant for this, and is unlikely to make a decent permanent repair.

But you can buy 2pack structural adhesive(google 3m structural adhesive) that is designed for the job and would be a better bet. I've never used it so can't add much except that it isn't cheap

[Marks DTM Calib]

I have used 3M 609 in the past and it was superb, I did add a few plug welds to get it firmly positioned but the final result was a joint far superior to a welded one.