This paper presents findings from ethnographic studies on situation rooms in municipalities. The purpose has been to visualize affordance for the practice pf crisis management. The study argues that organizational and material dimensions are affecting the perceived affordance. The organizational dimension needs to be have a good leadership in the situation room, be scalable, and well trained in order to infuse trust in the staff. From the dimension of materiality, it is also important with trust in the infrastructure and that they are able to handle the tools required in work. Furthermore, materiality needs to be editable, visible and scalable.