Our clay strocks or 'cob blocks' are the perfect structural blocks for building and restoration work on traditional cob and earth buildings. We are experts in cob houses and buildings and can advise you about any project you undertake including how to correctly use strocks if you haven't used them before. Strocks (straw and clay blocks) really are the eco-friendly way to build structural or non-structural walls and provide great insulation for buildings. If you require more information then feel free to contact us directly and ask about our superior strocks. Strocks have received an endorsement from Professor Dr. Gernot Minke, who is widely regarded as the European expert on earth construction. He has lectured for more than thirty years at the University of Kassel, Germany where in 1974 he founded the Research Institute of Experimental Building. "Strocks are blocks made from clay, silt, sand and straw and offer an excellent, compact and easy way to build with earth." Prof. Dr. Gernot Minke. Gernot’s manual "Building with Earth" (3rd edition, Birkhäuser Publisher 2012) has been published in 10 different languages and is available from Amazon.