Our alternatives include Ductslab, Ductwrap and the newest DuctRock method. The latter offers a patented horizontal penetration element at dry walls, which is unique during the field. Compartment walls and floors need to have a certain fire resistance, meaning the functionality conditions of load-bearing potential (security), integrity and insulation happen https://ductworthinstallation46678.vidublog.com/35361672/a-secret-weapon-for-caswell-group