Byline: By Aled Blake Western Mail
An instant emergency shelter which hardens to concrete and can be set up in an hour is to be manufactured in Wales.
Will Crawford and Peter Brewin, both 28, created the "concrete canvas" shelter while studying at university in London together.
Mr Crawford said the pair, who were inspired by the material used to make plaster casts, have already had interest from the military and aid organisations.
He said, "It takes two people about an hour to put it up, then it takes 12 hours to set.
"The shelter can be used in post-disaster and post-conflict situations. They are ideal for extreme environments, and they …