Youre on the right track, but you need a working can of foam to "get your'e own back" insert nozzle into recess along the front of all doors and give them a good squirt. Next morning laugh uncontrollably as said "target" cannot open doors for love nor money :-) Also equally destructive and costly is filling up the exhaust, this can cause enough back pressure to blow the head as it cant exhaust the gases.
Well, I thought I'd come back with one suggestion as to what NOT to do with such a can, in case anyone else finds themselves in a similar situation. Whatever you do, don't take it out in the garden and give it a whack with a nail at the end of a 6' pole to burst it.
Because it just occurs to me, what might happen is that a jet of liquid foam might just emerge heading 20 feet into the sky, spraying the stuff all over your shed and garden, and over next door's fence into their garden... and worse, consider if it happened to be quite windy at the time (like it was today, spookily e, you might find the wind could break up the jet at around rooftop level, causing the stuff to float to ground level like large globules of sticky yellow snow over a large area
- the house, garden, you, and next door. And then try explaining that little lot to the neighbour.
So no, don't do that. Just do what I did and stick the faulty can straight in the bin. You know it makes sense.
hehe. Or you could mass produce joke dog turds. Just hold the can up letting it dribble, and move it every so often. Dip in brown paint later. Really useful.
Dig a pit in the garden - 2ft square should be enough. Dig a can shaped sub pit at the bottom and place can in it - then fill the whole lot with dry sand. Find a pointy steel thing and drive it straight down through the sand into the tin. The foam should mix nicely with the sand, and when cured should leave an 'unusual' sandstone object d'art. You should be able to cut the can away to leave a reasonably flat base.
Actually sticking a hole in the can with a nail IS the right thing, except you don't use a pole and stab at it. Wearing gloves you gently skewer the nail into the can until a tiny hole opens up whereupon you place the can on a dusty surface away from anything else and watch with interest as over a cubic foot of foam comes into existence.
I have a can here that says it yields 60x the can's contents. Allowing for marketspiel and other factors, a typical 750ml can should contain about half a litre of foam, at least. That makes 30 litres expanded. I've no ideas what the volume of a wheelie bin would be, but 15 empty
2 litre coke bottles would fill about a third of a bin, I reckon.
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