Rotational casting of inorganic cement architectural components

Prof. Arnon Bentur | Civil and Environmental Engineering
Prof. Jacob (Yasha) Grobman | Architecture and Town Planning
Prof. Aaron Sprecher | Architecture and Town Planning


Chemistry and Materials | Sustainability and Energy

The Technology

Façade tiles and aesthetics components with complex geometries are currently difficult to fabricate and require cement or mechanical parts such as bolts for connections. Inorganic cementitious tiles are relatively weak and absorb water. Manufacturing such architectural elements from polymers and metals require expensive molds. Some of those materials do not have structural strength, have high thermal instability and might degrade when exposed to UV.

Using magnesium phosphate cement allows rotational casting of components which are structural in nature, with possibilities for various hollow 3-D shapes and uniform thin wall thickness. Parts can be customized to suit various complex curvature geometries and architectural finishes – shape, color and texture. Casting frames can be made of cheap and simple materials (plastic, fabrics) and allow the creation of insert joinery between the elements which prevents the use of cement or bolts for joining the parts.


  • Casting can be done on-site or parts can be pre-fabricated.
  • Hollow parts provide thermal insolation

Applications and Opportunities

  • Façade tiles
  • Space structures
arrow Business Development Contacts
Oz Mahlebani
Business Development Manager, Engineering