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k2 red telephone box
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How I made my K2 Telephone Box
Author: Les Kenny; Editor: Maree Anderson
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So!   to recap the curing process
● The curing process lasted ten days.
● The hypertufa was kept moist at all times.
● The hypertufa was covered with plastic sheet to prevent evaporation.
● The hypertufa got hot at times, but that did not matter.
● The cover was lifted once or twice a day to ensure all was moist and to spray again.
● On day four the slurry was added.
● The cover was put back on and lifted once or twice a day to ensure all was moist and to spray again, and so on until the end of the curing period (day 10)

Note: Maybe the above curing procedure could have been a bit of an overkill, but it certainly worked.

Angela takeing off the form work from the telephone box head Off with the formwork

That was easy enough to do: just a matter of undoing a few screws.

The form broke away cleanly because we had applied release agent to the form prior to pouring the hypertufa.

the hypertufa after the form work has been taken off It was pleasing to see how the slurry-coated hypertufa looked at the end of the cure period and after the form was taken off. A successful pour.

Although the curing period took ten days, the time wasn't wasted. I wasn't sitting around for ten days scratching my nose waiting for the curing period to finish. I was getting on with other sections of the project.

Next on the agenda: The head side-covers and the crown

the telephone box head side-cover and crown

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