Spray Applied Permeable Wall Insulation (SAPWI)

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A lack of adequate thermal insulation is the single largest cause of energy loss in olderbuildings in Northern Europe. 44% of CO2 emissions are attributable to buildings with 24%coming from homes. In the UK, as 85% of the built environment present in 2050 have alreadybeen constructed, retrofitting of existing buildings is the largest part of the challenge forreducing thermal losses.Insulation of walls can reduce heat loss from historic buildings by up to 40%, and althoughimproving the efficiency of our built environment using Solid Wall Insulation has beengaining momentum (stimulated by various incentive schemes), recent research by the BREdemonstrates that many installations fail within 5 years and can cause significant damage toboth the building and its inhabitants. There are nearly 8 million solid wall homes in the UK,and while reducing their energy use is critical to reducing CO2 emissions, it appears thatcurrently there is not a harmless way of doing so.Q-Bot is developing an innovative Solid Wall Insulation material that has the potential toimprove the energy efficiency of millions of Europe's oldest and least energy efficientbuildings by as much as 40% while reducing installation costs by 50 to 75% and, mostimportantly, a material that maintains the moisture transfer qualities of existing walls allowingthem to dry out naturally to the outside of the dwelling.As part of this proposal we intend to assess the market for a new, smart material for SolidWall Insulation, that can be spray-applied, expand on site and can be applied automaticallyusing a novel robotic deposition and shaping process developed by Q-Bot. The material willhave adaptive hydroscopic qualities that can maintain the moisture balance of existing UKhomes post application. The robotic system is superior to other insulation deposition methods,as it reduces costs, can access uneven and intricate spaces, and is sympathetic to buildingfeatures.