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Comments
Offset "(Emp) - a little heavy on the hyperbole."
Remember, it's easier to criticise than create!
Use waste corrugated cardboard, folded up, to make blocks for each end. A single large flat piece in the middle will protect the central area.
Doesn't everyone have loads of cardboard around the house this time of year? Saves buying foam.
Offset "(Emp) - a little heavy on the hyperbole."
Phil_aka_Pip said: The space filler idea is probably sufficient, also works for a down the trousers Spinal Tap moment.
No problem. In that case I think your original expanding foam idea is good, though with maybe a proper mould to prevent any embarrassing mishaps, and using something much tougher than bin liner material. (Also bear in mind that stuff expands like crazy, you need a way to vent the excess without spilling it over either the case or keyboard.)
Heh yes I saw your story about the Canoe Catastrophe. I assumed people from here trying it would read the instructions first (and not you of course.)
The stuff I've seen used was in a tin and with a plunger to break an internal capsule containing the "other part" of the mixture. It was intended for window frames and the like. It wasn't particularly hot when used, but hell it did expand a lot. I would suggest a really good firm mould would be needed, to prevent the whole thing warping or turning into a huge dome...
My only real concern is the chemical solvents in the foam.... would they damage the plastic of the keyboard? If so, could I get away with it by wrapping the keyboard in cling film or summat for protection .
Offset "(Emp) - a little heavy on the hyperbole."
I don't think there are "solvents" as such, it's just a chemical reaction between the two parts that provides a foam that solidifies. But it'll probably mess up the finish of the keyboard if any gets through.
I think I'd suggest a few layers of tightly-fitted newspaper over the whole thing, taped up into a tight package, then the clingfilm or what ever you use. Just to leave a little extra space so the fit isn't too tight.
Not sure how expensive this foam is, by the way! If it's cheap it might be best to waste a can first just to see how it handles...