Is our restumping a DIY job??

We have a solid brick house with just a few rooms which are bouncy in the middle. Each room has the solid brick footings (I hope that's the right term) extending all the way around the room, so there is no cracking, movement or sinking to the walls or edges of the rooms - they simply bounce in the middle.

We cut a hole in the floorboards enough to see that each room has a single joist with either one or two timber stumps.

My husband wants to give the restumping a go himself - buy the concrete stumps, whack 'em in, attach them to the floor joists and pour some concrete. I am not sure whether this is as simple a job as it seems (since there are so many specialist restumpers in business).

Given the problem is just the bounce in the centre of the rooms, I would appreciate your thoughts or opinions on whether this sounds like a DIY job, or should we be calling for quotes? Also, if it's a DIY job, is there anything we should know about? I thought we might need to jack up the floor level while the concrete sets, but hubby says no need?

Thanks.


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