Pumice Cement Recipe 👉 Pumice aggregate is mixed with only enough cement and water to produce a light concrete with a cured strength of 400 PSI. Pumice-Crete is a low density lightweight low-rise structural concrete using 38 pumice aggregate Portland cement and water.
This makes for a honeycomb like material with an evenly. This can be applied with a sponge or stiff brush or even sprayed on. What You Will Need.
Only enough cement is used to coat the aggregate and bind it together where it touches.
This mixture doesnt contain as much water as a standard concrete recipe because hypertufa has a more open porous texture. 3 Avoid over-vibrating or over-finishing pumice concrete. LimeStrong Build plaster is the result of a partnership between the world-renowned natural plaster expert Stan Petersen and Hess Pumice the source of key components in the LimeStrong natural plaster formulation. Only enough cement is used to coat the aggregate and bind it together where it touches.