Peter Lynch wrote:
I'm planning on laying a concrete slab. In an attempt to stop it cracking
I'm considering adding fibres to it. Now, it'll only be a couple of m3 of
concrete, so I reckon I'll only need about 1kg of fibre. Anyone know
where I can buy some in this quantity?

Pete

Just done similar, for a thin wall, search for the thread with subject:
"fibre re-inforced concrete/cement followup".
I used glass fibres from fibretech.
Simon.