More than 1/3 of worlds CO2 emmissions are caused by construction and buildings, about 40% of Estonias CO2 emmissions is coming from constructions or buildings. We are at the point where we are focusing how to build efficient buildings but we are using materials that produce waste and production of materials emit GHG. Strawall is a sustainable construction product, that has taken costruction method older than 100 years and makes this proven technology scalable. We can provide material that will save about 53T of CO2 when constructing a average family home. Our aim is to provide materials for contractors in order to have bigger impact.