Valley Workshop have been certifying and designing an environmentally sustainable structural insulated panel (eSIPs) since 2014.

Their panellised floor and roof systems in combination with their prefabricated wall modules, built at Valley Workshop with cladding and glazing, form a unique and more sustainable building practice.

eSIPs utilise plywood, certified EWPA, PEFC, AFC from local Tasmanian suppliers and harvested from plantation forests. The eSIP has an insulating core made from a composite product of recycled bottles and a Tasmanian hardwood plywood grillage system. Panels are 2400mm wide which doubles the width available in Australia.

Valley Workshop’s product is unique to Australia. Their inspiration has come from German company Baufritz who are world leaders in the prefabrication of large modular building components made from sustainable structural insulated panels. Valley Workshop’s work is their own and designed and certified by their team. They have the advantage over Baufritz of using timbers that are locally harvested from sustainably managed Tasmanian forests rather than oriented strand board (OSB).

Valley Workshop have been involved in research and development of this product since 2009. In 2014 they delivered their first eSIPs and flat packed modular wall system to their own building product. This year Valley Workshop are delivering their product to other architects.


  • Technically superior
  • Strong
  • Thermally efficient
  • Cost effective
  • Manufactured in a controlled environment
  • Minimises waste and inefficiencies
  • Environmentally sustainable
  • Uses Tasmanian plantation timbers of smaller diameters that are otherwise problematic to the industry
  • Solar is used on every build to allow an 'alternative solution' under the BCA. Part 2.6 Objective 'to reduce greenhouse emissions' F 2.6 b(ii) an onsite renewable energy source, P 2.6.2 b(ii)
  • Unique to the building industry
  • Improved quality control due to workshop based construction
  • Improved OH and S due to workshop based construction