Hypertufa is an amazing cement mix that can be cast and carved. The real character develops later when it ages and the mosses and lichens grow.
- 1 Part Portland cement
- 1 1/2 Parts Peat moss*
- 1 1/2 PartPerlite
- Polypropalene fibre
*Substitute Peat moss for potting soil
The polypropylene fibres are added to provide strength and reduce shrinkage. Ensure you first tease the fibres out before adding to the mix, as they will otherwise form clumps of fibre in the mix.