Monthly Archives: August 2018

Building the forms for the radial vaults

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Posted on August 13, 2018 by

In preparation for shooting the gunnite on the roof we needed to put up some forms that would keep the concrete from just falling thru.  The radial vaults have simple curvature, so we could build the forms from boards pressed up against the steel arches.  Making that happen took some compromises in the plan.  As usual, challenges arose.  Enjoy.

The Video

The Chimney

In the video I forgot to include any footage of the chimney going in.  Basically, I built this form so the shotcrete would create a good base for my chimney on the vault.  My one regret was that I didn’t think to close the top of the form in order to prevent the gunnite from going inside the chimney hole.

The Gallery

A picture is worth a thousand words and here a bunch of pictures