Welcome The Screedmaster is a fully adjustable multi-purpose chair manufactured in Australia using 100% recycled plastic. Screedmaster is designed to help control concrete finished levels, as well as, hold suspended form-work for set-downs, rebates and steps in slabs. The Screedmaster comes with the base, threaded height adjuster and saddle. It has an adjustable height range of 125 – 245mm. The Screedmaster can be fastened to conventional form-work or metal form-work decks using screws. It is light duty, yet sturdy and can be left in the concrete.