The Structural Engineer > Archive > Volume 50 (1972) > Issues > Issue 8 > Correspondence Notes on a Failure: Wood-wool Slabs used as Permanent Formwork by A.T. Stephens
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Correspondence Notes on a Failure: Wood-wool Slabs used as Permanent Formwork by A.T. Stephens

We have read the letter that appeared in The Structural Engineer, Vol. 5 0 , No. 1, January 1972, p. 28, with some surprise and not a little interest. Since this Company originated the idea and production of permanent woodwool formwork units in 1959, something like 2 x 106 yd2 of Spanform formers have been installed in the UK and overseas, and this criticism, to our knowledge, is the first of its kind.